Update picture

This reverts commit f319961933.

content/en/pages/cv.md

@@ -1,7 +1,7 @@
 +++
 Categories = []
 Tags = []
-date = "2016-08-21T23:37:49-04:00"
+date = "2025-01-01T00:00:00-04:00"
 title = "CV"
 
 +++
@@ -21,53 +21,58 @@ I am a driven, service-oriented individual with a strong knowledge of Linux admi
 * Linux systems, in particular Debian GNU/Linux and Red Hat Enterprise Linux/CentOS environments, storage subsystems including Ceph object storage, DRBD, and ZFS/XFS/ext4 filesystems, and IP networking and routing.
 * Linux applications including Apache and Nginx web stacks, Postfix/Dovecot/Courier email stacks, HAProxy, BIND9, PowerDNS, ISC-DHCP, OpenLDAP, RADIUS, and KVM/QEMU and Xen virtualization with Libvirt and Pacemaker.
 * Extensive scripting and programming experience in BASH, Python, and other assorted languages.
-* Orchestration and configuration management using Ansible, Puppet, and bcfg2, including custom roles and modules.
+* Orchestration and configuration management using Terraform/Terragrunt, Ansible, Puppet, and bcfg2, including custom roles and modules.
 * Implementation and maintenance of monitoring for large environments with Prometheus/Grafana, Nagios, Icinga, CheckMK, TICK, and ELK stacks.
-* Administration of MySQL, PostgreSQL and MongoDB databases, including deployment, tuning, and maintenance.
+* Administration of MySQL, PostgreSQL and MongoDB databases, including deployment, tuning, and ongoing maintenance.
 * Internetwork routing and advanced networking, including network design and capacity planning, troubleshooting, and maintenance.
 * Customer service and writing, including technical and customer-focused writing and communication.
 
 ## Employment History
 
-#### [Clearcable Networks](https://clearcable.ca) (Hamilton, ON) - Senior Systems Architect
+### [BuildOps](https://buildops.com) (Toronto, ON) - DevOps Engineer II
-* Oct 2018 - present
+* Dec 2024 - Present
 
-In the role of senior systems architect, I am charged with keeping various Clearcable SOE systems in full working order, performing R&D to advance the platform, and enabling DevOps culture and automation within the Systems and Software teams. My primary projects have included the implementation of my own [PVC hypervisor manager](https://github.com/parallelvirtualcluster) software as a base hypervisor for SOE, the expansion and unification of Ansible for management and orchestration of software deployment, and the evolution of various platform aspects to updated versions as needs change. As a deployment specialist as well, I've been responsible for the deployment of 20+ new PVC clusters for both new and upgraded customers, and 10+ brand-new customers including full Clearcable NOMS provisioning integration, both in a technical and project-manageral role.
+In the role of DevOps Engineer, I am responsible for infrastructure management to support the BuildOps SaaS platform, troubleshooting, and evolution of fast-moving and fast-growing applications.
 
-####  [VM Farms](https://vmfarms.com) (Toronto, ON) - Linux DevOps Administrator, Operations Technical Lead
+### [Clearcable Networks](https://clearcable.ca) (Hamilton, ON) - Senior Systems Architect
+* Oct 2018 - Nov 2024
+
+In the role of senior systems architect, I was charged with keeping various Clearcable SOE systems in full working order, performing R&D to advance the platform, and enabling DevOps culture and automation within the Systems and Software teams. My primary projects included the implementation of my own [PVC hypervisor manager](https://github.com/parallelvirtualcluster) software as a base hypervisor for SOE, the expansion and unification of Ansible for management and orchestration of software deployment, and the evolution of various platform aspects to updated versions as needs change. As a deployment specialist as well, I was responsible for the deployment of 20+ new PVC clusters for both new and upgraded customers, and 10+ brand-new customers including full Clearcable NOMS provisioning integration, both in a technical and project-manageral role.
+
+###  [VM Farms](https://vmfarms.com) (Toronto, ON) - Linux DevOps Administrator, Operations Technical Lead
 * Aug 2016 – Sept 2018
 
 In the role of Linux System Administrator, I provided management of systems for web application developers within the framework of a DevOps operations service providing consulting advice and managed hosting. Using both an in-house Xen based cloud as well as various remote computing services including AWS, I helped ensure the continued operation of the platform as well as the day-to-day administration of customer systems. Utilizing configuration management with Puppet and Ansible, I provisioned and managed applications serving millions of users and using multiple web development stacks, HTTP servers, and database backends, in addition to various proxying, queueing and caching applications. During late 2017 and 2018 in the role of Technical Lead for Operations, I assisted in the training of new employees and daily technical decisions with a mind for best-practices, and interacted regularly and in-depth with customers using various communication tools.
 
-#### [Clearcable Network Services](https://clearcable.ca) (Hamilton, ON) - Linux System Administrator
+### [Clearcable Network Services](https://clearcable.ca) (Hamilton, ON) - Linux System Administrator
 * Jan 2013 – Jul 2016
 
 In the role of System Administrator, I used my skills with internetworking and Linux servers to ensure the proper operation of the Clearcable Networks Standard Operating Environment, a Debian GNU/Linux-based Internet Service Provider platform running on Cisco UCS hardware, and using Xen virtualization and bcfg2 configuration management. This included management of provider-grade services including DNS with BIND9; ISC DHCP in advanced configurations; Postfix/Courier email stacks; monitoring with Icinga and Munin; server hardware maintenance and support including full system rebuilds, hardware performance analysis and troubleshooting. I contributed advancements to the platform, assisting in its continued development and growth, including a major distribution upgrade project and implementation of live migration functionality to the platform using DRBD. During oncall rotation and daily support tasks, I also assisted in the deployment and maintenance of service provider networking, including routing and CMTS/ DOCSIS and VoIP access technologies to ensure the optimal operation of our client systems.
 
-#### [HHS Population Health Research Institute](https://www.phri.ca) (Hamilton, ON) - Systems Administrator, co-op
+### [HHS Population Health Research Institute](https://www.phri.ca) (Hamilton, ON) - Systems Administrator, co-op
 * Sep 2010 – Aug 2011
 
 In the role of Student (Co-Op) Administrator, I was responsible for day-to-day support of desktop systems and users, including deployment of new systems, hardware replacement/reimaging, and management of accounts with Active Directory. A long-term project during my tenure was an extensive documentation of the site datacenter including diagramming and inventory of the facility.
 
-#### The Home Depot (Burlington, ON) - Special Services, Tool Rental, Electrical, Cashier
+### The Home Depot (Burlington, ON) - Special Services, Tool Rental, Electrical, Cashier
 * Oct 2006 – Jan 2013
 
 ## Independent Projects
 
-#### [Parallel Virutal Cluster (PVC)](https://github.com/parallelvirtualcluster)
+### [Parallel Virutal Cluster (PVC)](https://github.com/parallelvirtualcluster)
 
 Parallel Virtual Cluster (PVC) is a virtual machine-based hyperconverged infrastructure (HCI) virtualization cluster solution that is fully Free Software, scalable, redundant, self-healing, self-managing, and designed for administrator simplicity. I started the project in mid-2018 and continue maintaining and advancing it to the present.
 
-#### [Jellyfin](https://jellyfin.org)
+### [Jellyfin](https://jellyfin.org)
 
 I am the project leader/coordinator and release manager for the Jellyfin project, the Free Software Media System that puts you in control of managing and streaming your media. I began the project with several other interested parties as a fork of the Emby media server in late 2018 and continue managing it to the present.
 
 ## Educational History
 
-#### Mohawk College (Hamilton, ON) - Network Engineering and Security Analyst
+### Mohawk College (Hamilton, ON) - Network Engineering and Security Analyst
 * Sep 2008 - Dec 2012 (completed diploma)
 
-#### Carleton University (Ottawa, ON) - Bachelor of Computer Science
+### Carleton University (Ottawa, ON) - Bachelor of Computer Science
 * Sep 2007 - May 2008 (incomplete; two semesters)
 
 ## Personal Interests 

content/en/pages/hardware.md

@@ -1,80 +1,54 @@
 +++
 Categories = []
 Tags = []
-date = "2024-02-13T00:00:00-05:00"
+date = "2025-01-01T00:00:00-04:00"
 title = "Hardware"
 
 +++
 
-I selfhost this blog, do a lot of coding, and generally do "computer stuff" on a number of different systems. Here's what I use, current as of 2024-02-13.
+I selfhost this blog, do a lot of coding, and generally do "computer stuff" on a number of different systems. Here's what I use, current as of 2025-01-01.
 
 ## Client Devices
 
 ### Primary Laptop: Lenovo Thinkpad T495s
 
 ```
-       _,met$$$$$gg.          joshua@dragonstorm 
+       _,met$$$$$gg.          joshua@dragonstorm
-    ,g$$$$$$$$$$$$$$$P.       ------------------ 
+    ,g$$$$$$$$$$$$$$$P.       ------------------
-  ,g$$P"     """Y$$.".        OS: Debian GNU/Linux 12 (bookworm) x86_64 
+  ,g$$P"     """Y$$.".        OS: Debian GNU/Linux 12 (bookworm) x86_64
- ,$$P'              `$$$.     Host: 20QJCTO1WW ThinkPad T495s 
+ ,$$P'              `$$$.     Host: 20QJCTO1WW ThinkPad T495s
-',$$P       ,ggs.     `$$b:   Kernel: 6.1.0-17-amd64 
+',$$P       ,ggs.     `$$b:   Kernel: 6.1.0-32-amd64
-`d$$'     ,$P"'   .    $$$    Uptime: 17 days, 12 hours, 37 mins 
+`d$$'     ,$P"'   .    $$$    Uptime: 17 days, 12 hours, 37 mins
- $$P      d$'     ,    $$P    Packages: 4925 (dpkg), 11 (flatpak) 
+ $$P      d$'     ,    $$P    Packages: 4925 (dpkg), 11 (flatpak)
- $$:      $$.   -    ,d$$'    Shell: bash 5.2.15 
+ $$:      $$.   -    ,d$$'    Shell: bash 5.2.15
- $$;      Y$b._   _,d$P'      Resolution: 1920x1080 
+ $$;      Y$b._   _,d$P'      Resolution: 1920x1080
- Y$$.    `.`"Y$$$$P"'         DE: GNOME 43.9 
+ Y$$.    `.`"Y$$$$P"'         DE: GNOME 43.9
- `$$b      "-.__              WM: Mutter 
+ `$$b      "-.__              WM: Mutter
-  `Y$$                        WM Theme: Adwaita 
+  `Y$$                        WM Theme: Adwaita
-   `Y$$.                      Theme: Adwaita-dark [GTK2/3] 
+   `Y$$.                      Theme: Adwaita-dark [GTK2/3]
-     `$$b.                    Icons: Adwaita [GTK2/3] 
+     `$$b.                    Icons: Adwaita [GTK2/3]
-       `Y$$b.                 Terminal: tmux 
+       `Y$$b.                 Terminal: tmux
-          `"Y$b._             CPU: AMD Ryzen 5 PRO 3500U w/ Radeon Vega Mobile Gfx (8) @ 2.100GHz 
+          `"Y$b._             CPU: AMD Ryzen 5 PRO 3500U w/ Radeon Vega Mobile Gfx (8) @ 2.100GHz
-              `"""            GPU: AMD ATI Radeon Vega Series / Radeon Vega Mobile Series 
+              `"""            GPU: AMD ATI Radeon Vega Series / Radeon Vega Mobile Series
-                              Memory: 11907MiB / 13860MiB 
+                              Memory: 16GB DDR5
                               NVMe: 1x XPG SX8200 Pro 1TB, ext4
                               SSD: N/A
                               HDD: N/A
 ```
 
-### Work Laptop: Lenovo Thinkpad T480s
+### Smartphone: Google Pixel 8
 
 ```
-       _,met$$$$$gg.          joshua@dragoncable 
+         -o          o-            u0_a475@dragonflight
-    ,g$$$$$$$$$$$$$$$P.       ------------------ 
-  ,g$$P"     """Y$$.".        OS: Debian GNU/Linux 12 (bookworm) x86_64 
- ,$$P'              `$$$.     Host: 20L8S3WS01 ThinkPad T480s 
-',$$P       ,ggs.     `$$b:   Kernel: 6.1.0-17-amd64 
-`d$$'     ,$P"'   .    $$$    Uptime: 36 days, 6 hours, 1 min 
- $$P      d$'     ,    $$P    Packages: 4308 (dpkg) 
- $$:      $$.   -    ,d$$'    Shell: bash 5.2.15 
- $$;      Y$b._   _,d$P'      Resolution: 1920x1080 
- Y$$.    `.`"Y$$$$P"'         DE: GNOME 43.9 
- `$$b      "-.__              WM: Mutter 
-  `Y$$                        WM Theme: Adwaita 
-   `Y$$.                      Theme: Adwaita-dark [GTK2/3] 
-     `$$b.                    Icons: Adwaita [GTK2/3] 
-       `Y$$b.                 Terminal: tmux 
-          `"Y$b._             CPU: Intel i5-8350U (8) @ 3.600GHz 
-              `"""            GPU: Intel UHD Graphics 620 
-                              Memory: 16906MiB / 23778MiB 
-                              NVMe: 1x SK Hynix Gold P31 1TB, ext4
-                              SSD: N/A
-                              HDD: N/A
-```
-
-### Smartphone: Samsung Galaxy S10e
-
-```
-         -o          o-            u0_a674@dragonflight
           +hydNNNNdyh+             --------------------
-        +mMMMMMMMMMMMMm+           OS: Android 12 aarch64
+        +mMMMMMMMMMMMMm+           OS: LineageOS 21 (Android 14) aarch64
-      `dMMm:NMMMMMMN:mMMd`         Host: Samsung SM-G970W
+      `dMMm:NMMMMMMN:mMMd`         Host: Google Pixel 8
-      hMMMMMMMMMMMMMMMMMMh         Kernel: 4.14.190-23725627-abG970WVLS8IWD1
+      hMMMMMMMMMMMMMMMMMMh         Kernel: 5.15.137-android14-11
-  ..  yyyyyyyyyyyyyyyyyyyy  ..     Uptime: 5 days, 13 hours, 52 mins
+  ..  yyyyyyyyyyyyyyyyyyyy  ..     Uptime: 22 hours, 53 minutes
-.mMMm`MMMMMMMMMMMMMMMMMMMM`mMMm.   Packages: 72 (dpkg), 1 (pkg)
+.mMMm`MMMMMMMMMMMMMMMMMMMM`mMMm.   Packages: 74 (dpkg), 1 (pkg)
-:MMMM-MMMMMMMMMMMMMMMMMMMM-MMMM:   Shell: bash 5.1.12
+:MMMM-MMMMMMMMMMMMMMMMMMMM-MMMM:   Shell: bash 5.2.26
-:MMMM-MMMMMMMMMMMMMMMMMMMM-MMMM:   CPU: Qualcomm SM8150 (8) @ 1.785GHz
+:MMMM-MMMMMMMMMMMMMMMMMMMM-MMMM:   CPU: (9) @ 1.704GHz
-:MMMM-MMMMMMMMMMMMMMMMMMMM-MMMM:   Memory: 3796MiB / 5466MiB
+:MMMM-MMMMMMMMMMMMMMMMMMMM-MMMM:   Memory: 8GB
 :MMMM-MMMMMMMMMMMMMMMMMMMM-MMMM:   Storage: 128GB
 -MMMM-MMMMMMMMMMMMMMMMMMMM-MMMM-
  +yy+ MMMMMMMMMMMMMMMMMMMM +yy+
@@ -82,29 +56,29 @@ I selfhost this blog, do a lot of coding, and generally do "computer stuff" on a
       `/++MMMMh++hMMMM++/`
           MMMMo  oMMMM
           MMMMo  oMMMM
-          oNMm-  -mMNs 
+          oNMm-  -mMNs
 ```
 
-### Home Base (Headless server "Desktop-in-the-cloud"): Dell PowerEdge R630
+### Home Base (Headless server "Desktop-in-the-cloud"): Dell PowerEdge R730
 
 ```
        _,met$$$$$gg.          joshua@base
     ,g$$$$$$$$$$$$$$$P.       -----------
-  ,g$$P"     """Y$$.".        OS: Debian GNU/Linux 11 (bullseye) x86_64 
+  ,g$$P"     """Y$$.".        OS: Debian GNU/Linux 12 (bookworm) x86_64
- ,$$P'              `$$$.     Model: Dell PowerEdge R630 
+ ,$$P'              `$$$.     Model: Dell PowerEdge R730
-',$$P       ,ggs.     `$$b:   Kernel: 5.10.0-26-amd64 
+',$$P       ,ggs.     `$$b:   Kernel: 6.1.0-32-amd64
-`d$$'     ,$P"'   .    $$$    Uptime: 110 days, 17 hours, 51 mins 
+`d$$'     ,$P"'   .    $$$    Uptime: 60 days, 8 hours, 56 mins
- $$P      d$'     ,    $$P    Packages: 1591 (dpkg), 10 (flatpak) 
+ $$P      d$'     ,    $$P    Packages: 2309 (dpkg), 13 (flatpak)
- $$:      $$.   -    ,d$$'    Shell: bash 5.1.4 
+ $$:      $$.   -    ,d$$'    Shell: bash 5.2.15
- $$;      Y$b._   _,d$P'      Resolution: 1024x768 
+ $$;      Y$b._   _,d$P'      Resolution: 1920x1080
- Y$$.    `.`"Y$$$$P"'         Terminal: /dev/pts/2 
+ Y$$.    `.`"Y$$$$P"'         Terminal: /dev/pts/1
- `$$b      "-.__              CPU: 2x Intel Xeon E5-2620 v4 (32) @ 3.000GHz 
+ `$$b      "-.__              CPU: 2x Intel Xeon E5-2620 v4 (32) @ 3.000GHz
-  `Y$$                        GPU: NVIDIA Tesla T4 
+  `Y$$                        GPU: 2x NVIDIA Tesla P4, 1x NVIDIA GeForce GTX1660
-   `Y$$.                      GPU: NVIDIA Tesla T4 
+   `Y$$.                      Memory: 512GB DDR4 ECC
-     `$$b.                    Memory: 53073MiB / 64301MiB 
+     `$$b.                    NVMe: 2x XPG GAMIX S70 BLADE 2TB, ZFS mirror
-       `Y$$b.                 NVMe: 2x XPG GAMIX S70 BLADE 2TB, ZFS mirror
+       `Y$$b.                 SSD: N/A
-          `"Y$b._             SSD: N/A
+          `"Y$b._             HDD: N/A
-              `"""            HDD: N/A                
+              `"""
 ```
 
 ## Servers
@@ -116,16 +90,16 @@ My server infrastructure is quite sprawling, but here's the short info. For more
 ```
 ```                        `       joshua@dcrX
   ` `.....---.......--.```   -/    -----------
-  +o   .--`         /y:`      +.   OS: FreeBSD 13.2-RELEASE-p9 amd64 
+  +o   .--`         /y:`      +.   OS: FreeBSD 14.2-RELEASE amd64
-   yo`:.            :o      `+-    Uptime: 3 days, 15 hours, 11 mins 
+   yo`:.            :o      `+-    Uptime: 3 days, 15 hours, 11 mins
-    y/               -/`   -o/     Packages: 185 (pkg) 
+    y/               -/`   -o/     Packages: 142 (pkg)
-   .-                  ::/sy+:.    Shell: bash 5.2.15 
+   .-                  ::/sy+:.    Shell: bash 5.2.37
-   /                     `--  /    Terminal: /dev/pts/2 
+   /                     `--  /    Terminal: /dev/pts/1
-  `:                          :`   CPU: QEMU Virtual version (4) @ 1.996GHz 
+  `:                          :`   CPU: QEMU Virtual version (4) @ 1.996GHz
-  `:                          :`   Memory: 3121MiB / 6102MiB 
+  `:                          :`   Memory: 6GB (virtual)
-   /                          /    NVMe: 1x QEMU 80GB, ZFS
+   /                          /    NVMe: 1x QEMU 80GB, ZFS (virtual system)
-   .-                        -.    SSD: N/A 
+   .-                        -.    SSD: N/A
-    --                      -.     HDD: N/A                
+    --                      -.     HDD: N/A
      `:`                  `:`
        .--             `--.
           .---.....----.
@@ -136,19 +110,19 @@ Which for compatibility reasons are VMs running on top of...
 ```
        _,met$$$$$gg.          joshua@dcrhvX
     ,g$$$$$$$$$$$$$$$P.       -------------
-  ,g$$P"     """Y$$.".        OS: Debian GNU/Linux 12 (bookworm) x86_64 
+  ,g$$P"     """Y$$.".        OS: Debian GNU/Linux 12 (bookworm) x86_64
- ,$$P'              `$$$.     Host: SZBOX G30B TVI7309X B0 
+ ,$$P'              `$$$.     Host: SZBOX G30B TVI7309X B0
-',$$P       ,ggs.     `$$b:   Kernel: 6.1.0-17-amd64 
+',$$P       ,ggs.     `$$b:   Kernel: 6.1.0-32-amd64
-`d$$'     ,$P"'   .    $$$    Uptime: 9 days, 14 hours, 2 mins 
+`d$$'     ,$P"'   .    $$$    Uptime: 9 days, 14 hours, 2 mins
- $$P      d$'     ,    $$P    Packages: 830 (dpkg) 
+ $$P      d$'     ,    $$P    Packages: 830 (dpkg)
- $$:      $$.   -    ,d$$'    Shell: bash 5.2.15 
+ $$:      $$.   -    ,d$$'    Shell: bash 5.2.15
- $$;      Y$b._   _,d$P'      Terminal: /dev/pts/1 
+ $$;      Y$b._   _,d$P'      Terminal: /dev/pts/1
- Y$$.    `.`"Y$$$$P"'         CPU: Intel Celeron N5105 (4) @ 2.900GHz 
+ Y$$.    `.`"Y$$$$P"'         CPU: Intel Celeron N5105 (4) @ 2.900GHz
- `$$b      "-.__              GPU: Intel JasperLake [UHD Graphics] 
+ `$$b      "-.__              GPU: Intel JasperLake [UHD Graphics]
-  `Y$$                        Memory: 6522MiB / 7783MiB 
+  `Y$$                        Memory: 8GB DDR4
-   `Y$$.                      NVMe: 1x Generic 128GB, ext4
+   `Y$$.                      NVMe: 1x Generic 128GB, ext4 (system)
-     `$$b.                    SSD: N/A               
+     `$$b.                    SSD: N/A
-       `Y$$b.                 HDD: N/A                
+       `Y$$b.                 HDD: N/A
           `"Y$b._
               `"""
 ```
@@ -158,19 +132,19 @@ Which for compatibility reasons are VMs running on top of...
 ```
        _,met$$$$$gg.          joshua@hvX.p
     ,g$$$$$$$$$$$$$$$P.       ------------
-  ,g$$P"     """Y$$.".        OS: Debian GNU/Linux 11 (bullseye) x86_64 
+  ,g$$P"     """Y$$.".        OS: Debian GNU/Linux 12 (bookworm) x86_64
- ,$$P'              `$$$.     Host: Dell PowerEdge R630 
+ ,$$P'              `$$$.     Host: Dell PowerEdge R630
-',$$P       ,ggs.     `$$b:   Kernel: 5.10.0-27-amd64 
+',$$P       ,ggs.     `$$b:   Kernel: 6.1.0-32-amd64
-`d$$'     ,$P"'   .    $$$    Uptime: 13 days, 19 hours, 13 mins 
+`d$$'     ,$P"'   .    $$$    Uptime: 13 days, 19 hours, 13 mins
- $$P      d$'     ,    $$P    Packages: 886 (dpkg) 
+ $$P      d$'     ,    $$P    Packages: 886 (dpkg)
- $$:      $$.   -    ,d$$'    Shell: bash 5.1.4 
+ $$:      $$.   -    ,d$$'    Shell: bash 5.1.4
- $$;      Y$b._   _,d$P'      Resolution: 1024x768 
+ $$;      Y$b._   _,d$P'      Resolution: 1024x768
- Y$$.    `.`"Y$$$$P"'         Terminal: /dev/pts/19 
+ Y$$.    `.`"Y$$$$P"'         Terminal: /dev/pts/19
- `$$b      "-.__              CPU: 2x Intel Xeon E5-2683 v4 (64) @ 3.000GHz 
+ `$$b      "-.__              CPU: 2x Intel Xeon E5-2683 v4 (64) @ 3.000GHz
-  `Y$$                        GPU: 0b:00.0 Matrox Electronics Systems Ltd. G200eR2 
+  `Y$$                        GPU: 0b:00.0 Matrox Electronics Systems Ltd. G200eR2
-   `Y$$.                      Memory: 113190MiB / 515876MiB
+   `Y$$.                      Memory: 512GB DDR4 ECC
      `$$b.                    NVMe: N/A
-       `Y$$b.                 SSD: 2x Intel DC S3700 200GB, RAID-1/ext4; 2x Intel DC S3700 800GB
+       `Y$$b.                 SSD: 2x Intel DC S3700 200GB, RAID-1/ext4 (system); 2x Intel DC S3700 800GB (PVC Ceph c3)
           `"Y$b._             HDD: N/A
               `"""
 ```
@@ -179,20 +153,20 @@ Which for compatibility reasons are VMs running on top of...
 
 ```
        _,met$$$$$gg.          joshua@hvX.t
-    ,g$$$$$$$$$$$$$$$P.       ------------ 
+    ,g$$$$$$$$$$$$$$$P.       ------------
-  ,g$$P"     """Y$$.".        OS: Debian GNU/Linux 12 (bookworm) x86_64 
+  ,g$$P"     """Y$$.".        OS: Debian GNU/Linux 12 (bookworm) x86_64
- ,$$P'              `$$$.     Host: Dell PowerEdge R430 
+ ,$$P'              `$$$.     Host: Dell PowerEdge R430
-',$$P       ,ggs.     `$$b:   Kernel: 6.1.0-17-amd64 
+',$$P       ,ggs.     `$$b:   Kernel: 6.1.0-32-amd64
-`d$$'     ,$P"'   .    $$$    Uptime: 25 mins 
+`d$$'     ,$P"'   .    $$$    Uptime: 25 mins
- $$P      d$'     ,    $$P    Packages: 931 (dpkg) 
+ $$P      d$'     ,    $$P    Packages: 931 (dpkg)
- $$:      $$.   -    ,d$$'    Shell: bash 5.2.15 
+ $$:      $$.   -    ,d$$'    Shell: bash 5.2.15
- $$;      Y$b._   _,d$P'      Resolution: 1024x768 
+ $$;      Y$b._   _,d$P'      Resolution: 1024x768
- Y$$.    `.`"Y$$$$P"'         Terminal: /dev/pts/2 
+ Y$$.    `.`"Y$$$$P"'         Terminal: /dev/pts/2
- `$$b      "-.__              CPU: Intel Xeon E5-2603 v3 (6) @ 1.600GHz 
+ `$$b      "-.__              CPU: Intel Xeon E5-2603 v3 (6) @ 1.600GHz
-  `Y$$                        GPU: 0a:00.0 Matrox Electronics Systems Ltd. G200eR2 
+  `Y$$                        GPU: 0a:00.0 Matrox Electronics Systems Ltd. G200eR2
-   `Y$$.                      Memory: 4070MiB / 31873MiB 
+   `Y$$.                      Memory: 32GB DDR4 ECC
      `$$b.                    NVMe: N/A
-       `Y$$b.                 SSD: 1x Intel DC S3610 200GB, ext4; 1x Samsung PM883 480GB               
+       `Y$$b.                 SSD: 1x Intel DC S3610 200GB, ext4 (system); 1x Samsung PM883 480GB (PVC Ceph c3)
           `"Y$b._             HDD: N/A
               `"""
 ```
@@ -202,20 +176,20 @@ Which for compatibility reasons are VMs running on top of...
 ```
        _,met$$$$$gg.          joshua@cephX.c
     ,g$$$$$$$$$$$$$$$P.       --------------
-  ,g$$P"     """Y$$.".        OS: Debian GNU/Linux 11 (bullseye) x86_64 
+  ,g$$P"     """Y$$.".        OS: Debian GNU/Linux 12 (bookworm) x86_64
- ,$$P'              `$$$.     Host: Dell PowerEdge R720xd 
+ ,$$P'              `$$$.     Host: Dell PowerEdge R720xd
-',$$P       ,ggs.     `$$b:   Kernel: 5.10.0-26-amd64 
+',$$P       ,ggs.     `$$b:   Kernel: 6.1.0-32-amd64
-`d$$'     ,$P"'   .    $$$    Uptime: 116 days, 19 hours, 33 mins 
+`d$$'     ,$P"'   .    $$$    Uptime: 116 days, 19 hours, 33 mins
- $$P      d$'     ,    $$P    Packages: 636 (dpkg) 
+ $$P      d$'     ,    $$P    Packages: 636 (dpkg)
- $$:      $$.   -    ,d$$'    Shell: bash 5.1.4 
+ $$:      $$.   -    ,d$$'    Shell: bash 5.1.4
- $$;      Y$b._   _,d$P'      Resolution: 1024x768 
+ $$;      Y$b._   _,d$P'      Resolution: 1024x768
- Y$$.    `.`"Y$$$$P"'         Terminal: /dev/pts/0 
+ Y$$.    `.`"Y$$$$P"'         Terminal: /dev/pts/0
- `$$b      "-.__              CPU: Intel Xeon E5-2697 v2 (24) @ 3.500GHz 
+ `$$b      "-.__              CPU: Intel Xeon E5-2697 v2 (24) @ 3.500GHz
-  `Y$$                        GPU: 0b:00.0 Matrox Electronics Systems Ltd. G200eR2 
+  `Y$$                        GPU: 0b:00.0 Matrox Electronics Systems Ltd. G200eR2
-   `Y$$.                      Memory: 39374MiB / 64233MiB 
+   `Y$$.                      Memory: 96GB DDR4 ECC
      `$$b.                    NVMe: N/A
-       `Y$$b.                 SSD: 2x Intel DC S3700 200GB, RAID-1/ext4
+       `Y$$b.                 SSD: 2x Intel DC S3700 200GB, RAID-1/ext4 (system); 1x Intel DC P3700 2TB HHHL (Ceph c3)
-          `"Y$b._             HDD: 3x Western Digital Red 14TB; 6x Western Digital Red 8TB
+          `"Y$b._             HDD: 3x Western Digital Red 14TB; 6x Western Digital Red 8TB (Ceph c2)
               `"""
 ```
 
@@ -224,19 +198,19 @@ Which for compatibility reasons are VMs running on top of...
 ```
        _,met$$$$$gg.          joshua@backup
     ,g$$$$$$$$$$$$$$$P.       -------------
-  ,g$$P"     """Y$$.".        OS: Debian GNU/Linux 11 (bullseye) x86_64 
+  ,g$$P"     """Y$$.".        OS: Debian GNU/Linux 12 (bookworm) x86_64
  ,$$P'              `$$$.     Host: Whitebox (Supermicro X10SRL-F)
-',$$P       ,ggs.     `$$b:   Kernel: 5.10.0-26-amd64 
+',$$P       ,ggs.     `$$b:   Kernel: 6.1.0-32-amd64
-`d$$'     ,$P"'   .    $$$    Uptime: 116 days, 19 hours, 40 mins 
+`d$$'     ,$P"'   .    $$$    Uptime: 116 days, 19 hours, 40 mins
- $$P      d$'     ,    $$P    Packages: 790 (dpkg) 
+ $$P      d$'     ,    $$P    Packages: 790 (dpkg)
- $$:      $$.   -    ,d$$'    Shell: bash 5.1.4 
+ $$:      $$.   -    ,d$$'    Shell: bash 5.1.4
- $$;      Y$b._   _,d$P'      Resolution: 1024x768 
+ $$;      Y$b._   _,d$P'      Resolution: 1024x768
- Y$$.    `.`"Y$$$$P"'         Terminal: /dev/pts/0 
+ Y$$.    `.`"Y$$$$P"'         Terminal: /dev/pts/0
- `$$b      "-.__              CPU: Intel Xeon E5-2620 v3 (12) @ 3.200GHz 
+ `$$b      "-.__              CPU: Intel Xeon E5-2620 v3 (12) @ 3.200GHz
-  `Y$$                        GPU: 09:00.0 ASPEED Technology, Inc. ASPEED Graphics Family 
+  `Y$$                        GPU: 09:00.0 ASPEED Technology, Inc. ASPEED Graphics Family
-   `Y$$.                      Memory: 22450MiB / 31984MiB 
+   `Y$$.                      Memory: 32GB DDR4 ECC
      `$$b.                    NVMe: N/A
-       `Y$$b.                 SSD: 1x Intel DC S3700 800GB, ext4
+       `Y$$b.                 SSD: 1x Intel 320 40GB, ext4 (system)
           `"Y$b._             HDD: 4x Western Digital Red 8TB, ZFS RAID-Z; 1x Western Digital USB3.0 8TB, ZFS
               `"""
 ```

content/en/pages/music.md

@@ -10,7 +10,7 @@ Not only am I a tech geek, but I'm also a multi-instrumentalist musician and com
 
 ## Thraximundar
 
-Track #4 from Into Æther. I recorded this (semi-)professionally back in late 2012, with myself on vocals, guitar, and bass, with the other tracks synthesized.
+Track #5 from Into Æther. I recorded this (semi-)professionally back in late 2012, with myself on vocals, guitar, and bass, with the other tracks synthesized.
 
 {{< soundcloud-track 84200428 >}}
 
@@ -18,15 +18,42 @@ Track #4 from Into Æther. I recorded this (semi-)professionally back in late 20
 
 My debut album, in the works since 2011 (or 2006, depending on how you count it). Into Æther is a progressive rock concept album based on the world of Magic: The Gathering.
 
-Below is a playlist containing preview audio of all 9 songs, as produced by MuseSounds. No real instruments or vocals yet. I plan to record this over the Winter of 2024/2025 with a goal for a Spring 2025 release, including a re-recording of Thraximundar. Enjoy.
+Below is a playlist containing preview audio of all 10 songs, as produced by MuseSounds, along with timed lyrics. No real instruments or vocals yet. I plan to record this over the Winter of 2024/2025 with a goal for a Spring 2025 release, including a re-recording of Thraximundar. Enjoy.
 
 {{< aplayer
     theme="#323232"
-    cover="https://www.artofmtg.com/wp-content/uploads/2015/02/Thraximundar-MtG-Art.jpg"
+    loop="none"
-    artist="Joshua M. Boniface, Joshua M. Boniface, Joshua M. Boniface, Joshua M. Boniface, Joshua M. Boniface, Joshua M. Boniface, Joshua M. Boniface, Joshua M. Boniface, Joshua M. Boniface"
+    artist="Joshua M. Boniface, Joshua M. Boniface, Joshua M. Boniface, Joshua M. Boniface, Joshua M. Boniface, Joshua M. Boniface, Joshua M. Boniface, Joshua M. Boniface, Joshua M. Boniface, Joshua M. Boniface"
-    name="Into Æther, The Vision, The Summoning, Thraximundar, Escape, Brooding, The Gathering, Lament, Thraximundar Defeated"
+    name="Into Æther, The Vision, The Library, The Summoning, Thraximundar, Escape, Brooding, The Gathering, Lament, Thraximundar Defeated"
-    url="https://file.bonifacelabs.ca/Public/Into%20Aether/Preview/1%20Into%20Aether.ogg, https://file.bonifacelabs.ca/Public/Into%20Aether/Preview/2%20The%20Vision.ogg, https://file.bonifacelabs.ca/Public/Into%20Aether/Preview/3%20The%20Summoning.ogg, https://file.bonifacelabs.ca/Public/Into%20Aether/Preview/4%20Thraximundar.ogg, https://file.bonifacelabs.ca/Public/Into%20Aether/Preview/5%20Escape.ogg, https://file.bonifacelabs.ca/Public/Into%20Aether/Preview/6%20Brooding.ogg, https://file.bonifacelabs.ca/Public/Into%20Aether/Preview/7%20The%20Gathering.ogg, https://file.bonifacelabs.ca/Public/Into%20Aether/Preview/8%20Lament.ogg, https://file.bonifacelabs.ca/Public/Into%20Aether/Preview/9%20Thraximundar%20Defeated.ogg"
+    cover="/images/into-aether-cover-thraximundar.png, /images/into-aether-cover-thraximundar.png, /images/into-aether-cover-thraximundar.png, /images/into-aether-cover-thraximundar.png, /images/into-aether-cover-thraximundar.png, /images/into-aether-cover-thraximundar.png, /images/into-aether-cover-thraximundar.png, /images/into-aether-cover-thraximundar.png, /images/into-aether-cover-thraximundar.png, /images/into-aether-cover-thraximundar.png"
+    url="https://file.bonifacelabs.ca/Public/Into%20Aether/Preview/1%20Into%20Aether.mp3, https://file.bonifacelabs.ca/Public/Into%20Aether/Preview/2%20The%20Vision.mp3, https://file.bonifacelabs.ca/Public/Into%20Aether/Preview/3%20The%20Library.mp3, https://file.bonifacelabs.ca/Public/Into%20Aether/Preview/4%20The%20Summoning.mp3, https://file.bonifacelabs.ca/Public/Into%20Aether/Preview/5%20Thraximundar.mp3, https://file.bonifacelabs.ca/Public/Into%20Aether/Preview/6%20Escape.mp3, https://file.bonifacelabs.ca/Public/Into%20Aether/Preview/7%20Brooding.mp3, https://file.bonifacelabs.ca/Public/Into%20Aether/Preview/8%20The%20Gathering.mp3, https://file.bonifacelabs.ca/Public/Into%20Aether/Preview/9%20Lament.mp3, https://file.bonifacelabs.ca/Public/Into%20Aether/Preview/10%20Thraximundar%20Defeated.mp3"
+    duration="03:07, 01:22, 06:45, 03:58, 05:10, 04:48, 04:27, 08:25, 04:31, 11:16"
+    lrc-type=3
+    lrc="https://file.bonifacelabs.ca/Public/Into%20Aether/Preview/1%20Into%20Aether.lrc, https://file.bonifacelabs.ca/Public/Into%20Aether/Preview/2%20The%20Vision.lrc, https://file.bonifacelabs.ca/Public/Into%20Aether/Preview/3%20The%20Library.lrc, https://file.bonifacelabs.ca/Public/Into%20Aether/Preview/4%20The%20Summoning.lrc, https://file.bonifacelabs.ca/Public/Into%20Aether/Preview/5%20Thraximundar.lrc, https://file.bonifacelabs.ca/Public/Into%20Aether/Preview/6%20Escape.lrc, https://file.bonifacelabs.ca/Public/Into%20Aether/Preview/7%20Brooding.lrc, https://file.bonifacelabs.ca/Public/Into%20Aether/Preview/8%20The%20Gathering.lrc, https://file.bonifacelabs.ca/Public/Into%20Aether/Preview/9%20Lament.lrc, https://file.bonifacelabs.ca/Public/Into%20Aether/Preview/10%20Thraximundar%20Defeated.lrc"
 >}}
 {{< /aplayer >}}
 
 Full and individual part scores for all these songs can be found [in my MuseScore.com score set for Into Æther here](https://musescore.com/user/25324421/sets/12460489).
+
+## Influences & Style
+
+I primarily write modern progressive rock, though with my own twist. I make heavy use of a clean piano, and occasionally strings, but not much synthesizer, and a very metal-influenced druming style despite the songs themselves not really feeling like "metal", as well as a relatively clean and high guitar style.
+
+Some of my major influences include, in rough order:
+
+* Rush
+* Dream Theater
+* Yes
+* Nightwish
+* Porcupine Tree
+* JT Bruce
+* Pink Floyd
+* Genesis
+* Opeth
+* Rhapsody of Fire
+* Big Big Train
+* System of a Down
+
+Plus countless other musicians, groups, and bands.
+
+In terms of instruments, I'm primarily a drummer, bassist, and vocalist; my guitar and keyboard skills leave a lot to be desired, but I'm passable on both. I began primarily as a jazz drummer and self-taught guitarist playing Rush and Pink Floyd songs, before branching out into other instruments, including a year of piano lessons in my early teenage years. Since finishing school I've mostly been a hobby musician, with occasional spurts of writing and playing interspersed with periods of silence.

content/en/posts/.drafts/burlingtons-half-assed-bike-infrastructure/index.md

@@ -0,0 +1,121 @@
+---
+title: "Burlington's Half-Assed Bike Infrastructure"
+description: "Venting my frustrations about this city's poor bike infrastructure"
+date: 2024-04-23
+tags:
+  - Hometown
+  - Politics
+  - Civics
+---
+
+This post is a little different than my usual post here, touching more on local politics, infrastructure, and issues in my home city of Burlington, Ontario, and written with some fairly poor organization of thoughts. I, however, couldn't think of another place to put this sort of long-form content (read: long rant), so it's going here for now.
+
+## What Burlington Has
+
+Burlington's topography and layout is important for the criticisms below, so it's worth spending a moment describing it.
+
+Burlington is a large commuter suburb at the southern end of Lake Ontario, with Toronto about 50km to the northeast and Hamilton directly to the south and west. The city follows a broadly east-west grid structure, with 4 major north-south roads (Brant Stree, Guelph Line, Walkers Line, and Appleby Line) spaced at 2km increments. There are further north-south roads (Burloak to the far east bordering Oakville and Bronte Creek Provincial Park, and King Road and Waterdown Road further to the west) but the main portion of the city is contained by by those first four. Downtown is at the south end of Brant St. by Lake Ontario.
+
+Through the center of the city, east-west, run both the Queen Elizabeth Way highway and a set of GO Transit tracks. Between and just north of them is a major industrial corridor that forms the boundary between the residential "North" and "South" Burlington. There are a number of other major east-west roads that will be mentioned; from south to north, they are Lakeshore Drive, New Street, Fairview Road, Harvester Road, Mainway, Upper Middle Road, and finally Dundas Street.
+
+At the top boundary of the developed area are Dundas Street and (west of roughly Walkers Line) Highway 407ETR; all land allocation north of these is Greenbelt land and cannot be developed. 
+
+The topography is broadly sloping down from the Niagara Escarpment in the north to Lake Ontario in the south, with the highest peak in the (developed) city in the north-west at the top of Brant Street, and the lowest points along the lakeshore.
+
+Lastly, there are two major northeast-southwest power lines that, due to the exact positioning, criss-cross the city on a diagonal; one in North Burlington, and one in South Burlington. A multi-use path follows both.
+
+Here is the map:
+
+![Map of Burlington, Ontario](burlington.jpg)
+*Map courtesy of the City of Burlington*
+
+Burlington seems like a great city to feature comprehensive bike infrastructure, but unfortunately it is thoroughly half-assed. Through nearly a century of car-centric planning and development, what should be a perfectly bikeable city is instead a congested wasteland of asphalt, concrete, and single-family sprawl.
+
+## Burlington's Bike Infrastructure: The Good
+
+There are a few good parts, so I'd like to list those first.
+
+1. Multi-use paths along hydro corridors. These help provide both excellent recreational trails for casual or fitness cyclists, as well as transportation for some trips, for example North Burlington -> Downtown via the Crosstown Trail (north) or South Burlington -> Downtown via the Centennial Bikeway.
+
+2. Multi-use paths north-south. A few of these are scattered throughout various neighbourhoods, for example the Palmer Trail in Palmer (my home neighbourhood), an unnamed extension to the Centennial Bikeway in Dynes, and another unnamed trail in Downtown. These do help cyclists cut through a number of residential areas, but as we'll see later, are not very long or effective.
+
+3. Multi-use paths along major roads. A few of these exists: Appleby Line, Walkers Line and Brant Street feature multi-use paths beside sidewalks for a signfiicant part of their northern sections, and Upper Middle features a multi-use path along its length. Lakeshore Drive features a multi-use path instead of a sidewalk on its south side, as do Harvester Street and Dundas Street.
+
+4. Bike Lanes and sharrow indications are present everywhere. However, as I'll outline below, these aren't *really* bike infrastructure, and are at the root of what I see as the major problems with cycling in Burlington, but we'll get there.
+
+5. Neighbourhoods are being calmed. Most neighbourhoods in the city now post a 40km/h (instead of 50km/h) speed limit, and many roads have had speed control devices added to slow drivers down, making these roads much safer for cycling.
+
+
+## Burlington's Bike Infrastructure: The Bad & The Ugly
+
+But, there are a lot of problems with bike infrastructure in the city. I'll outline what first, before getting into the why.
+
+1. Multi-use paths are in disarray. I've been a resident of Burlington for my entire life - 36 years - and I do not remember most of the road-paralleled multi-use paths ever being repaved. Some sections are in such poor condition that they are lost to grass/weeds, are so bumpy as to put mountain bikes under strain, let alone road bikes, and others are simply haphazardly cut as an afterthought, with sharp drops at driveways or dangerous swerves needed to descend onto cross streets.
+
+2. Multi-use paths are very limited. Except for those north-south hydro corridor and short neighbourhood paths, the remaining bike infrastructure is limited only to major roads, and not all of them.
+
+3. Major roads are dangerous. 60+km/h speeds on wide [stroads](https://en.wikipedia.org/wiki/Stroad) with frequent, poorly-timed traffic lights is a deathtrap for bicyclists.
+
+4. Bike lanes are, at best, bad. Painted bicycle gutters and (*shudder*) sharrows are not bike infrastructure. A painted line does not stop a two-tonne SUV driven by a distracted and impatient motorist from running you down. Worse still, in this city as in many others, bicycle lanes start and end abruptly with no rhyme or reason, forcing cyclings into sharing lanes with speeding vehicles frequently. Combined with the previous point, this makes for several extremely dangerous sections of road.
+
+5. Highway onramps on the major roads are a deathtrap. With no approach lanes and drivers who routinely fail to signal these, it becomes a dangerous guessing game of who is going where while waiting to cross them, or braving 70+km/h speeding vehicles cutting you off.
+
+6. There are far too many stop signs. Stop signs are the devil. They're inefficient for cyclists (unless, of course, cyclist priority and an [Idaho Stop](https://en.wikipedia.org/wiki/Idaho_stop) system is added) and actually add danger due to a cyclist having to start from zero afterwards (see below).
+
+## What our Brilliant Government has tried to do
+
+Really, outlining the problems above really just serves to put into context the assinine and, as stated before, half-assed measures this city and its governmnent has taken to "improve cycling", almost none of which do anything at all. I will outline 3 key case studies here.
+
+### Bicycle Lanes No One Needed
+
+In 2020, the city launched a project to replace 1 lane of car traffic in each direction along New Street with a bike lane, reducing the car lanes on this very busy stretch of road from 2 to 1. These were, of course, implemented in the most half-assed way possible, using paint and nothing more. Sure, a buffered bike lane is better than no buffer, but when a 1-km backlog of cars has built up, nothing is stopping them from cutting ahead through this purely-paint "infrastructure", putting everyone else at risk. And I saw this happen.
+
+Predictably, in a car-centric sprawl city, the backlash from carbrain drivers was swift. However, it may surprise you, I agree with them. It was a poor place to put a bike lane, because the route was already serviced by a well-used multi-use path, the Centennial Bikeway, one of the few in the city! It was a pointless waste of millions of dollars that was ripped back out (read: painted over) 2 years later.
+
+The reasons for the failure here are clear. In a bid to make a major street "bicycle-friendly", they ignored already-existing bicycle infrastructure in favour of painted bicycle gutters, inconveniencing motorists on a busy road with a solution that did nothing at all to actually protect bicyclists from the (now increased) vehicular traffic. It is a case study of a solution in need of a problem: someone wanted to get paid to paint some bike lanes, and by golly they did - twice even - when a much better solution already existed.
+
+![New Street Bike lanes superimposed with the Centennial Bikeway](bikeway.png)
+
+### Another Bike Lane to Nowhere
+
+Bike lanes on Walkers Line, Guelph Line, and other places start and end abruptly. But, the fact that these lanes exist atall is a problem, because a bicycle gutter to nowhere is almost worse than nothing.
+
+### The Most Dangerous and Pointless "Solution" to the Highway Onramps
+
+On, the highway onramps. As I pointed out above, the design of most of them makes them incredibly dangerous to cross, not just for cyclists, but for pedestrians as well. What was the brilliant solution? Implement the most bizarre "stop here" on a bike possible. Beyold this magnificence:
+
+![The Stupidest Bike Crossing](bikecrossing.png)
+
+Now, for someone used to a car, it may not be too obvious why this is an utterly terrible design. Let me list the reasons:
+
+1. Bikes are slow to get moving after a stop, which will always happen here due to the poor road design in general.
+2. The more time a bike is in the path of a car (say, due to #1), the more danger they are in.
+3. A crossing is more dangerous (especially with #2 and #1) than a simple merge at speed.
+4. These are on hills (due to the overpass), making #1 even worse.
+5. They are abrupt and small, leaving little room to maneuver into a good position to both view oncoming traffic and proceed.
+6. They are placed so close to the main lanes as to provide very little gap to observe cars coming onto the onramp.
+
+It's hard to know even where to begin with improving these. A few thoughts include...
+
+* Setting them at least 50m back from the road, so it's much clearer when cars are coming up the lane.
+* Widening them into a proper path colocated with the sidewalk, to provide more room to slow down, stop, and turn.
+
+But really, neither of these address the *actual* problem here. The problem is of speeding cars approaching a highway onramp at 60+km/h, without an approach lane, not signalling, and thus forcing a wait for a significant gap. Like most problems related to bikes-on-roads, the problem *should* be solved by modifications to driver behaviour and road design, not adding more inconveniences for cyclists. Here's how I'd design these:
+
+![My Much Better Bike Crossing](improvedbikecrossing.png)
+
+If you don't see why this is lightyears better, I don't know what to say.
+
+## Actually Improving Bike Infrastructure
+
+OK, enough whinging. What should be done to actually *improve* the bike infrastructure in this city? It's really simple.
+
+* Fix the shitty bike paths! Huge numbers of the bike paths are in disarray as outlined above. Repave them, now. Not "soon", because "soon" was literally 20 years ago. There is already a significant network of paths in the city, so improve them to help encourage cycling trips where possible.
+
+* Add more bike paths. Instead of futzing around with bike lanes, widen the sidewalks and convert them (partially or fully) to multi-use paths. Do this on every major road; most have plenty of space.
+
+* Build better crossings. Slow down traffic at dangerous crossings, add approach lanes, and give bicyclists more room to maneuver.
+
+* Add more connecting paths through residential areas, and between the areas of the city. Specifically, I mean tunnels under the railway line(s) and across the highway, to avoid cyclists (and pedestrians!) from having to take the obnoxious concrete jungles that are the current highway overpasses. Just two would be a huge boon to the connectivity of the city.
+
+And that's the end of my rant. Hopefully I've educated someone on the pitfalls of the current designs and "ideas", and can offer some more obvious solutions.

content/en/posts/patroni-and-haproxy-agent-checks/index.md

@@ -13,7 +13,7 @@ Once you have a working Patroni cluster, managing client access to it becomes th
 
 ### The problem - Do you like `DOWN` hosts?
 
-However, the [official HAProxy configuration template](https://github.com/zalando/patroni/blob/master/extras/confd/templates/haproxy.tmpl) has a problem - in a read-write backend, you want your non-`master` hosts to be inaccessable to clients, to prevent write attempts against a read-only replica. However this configuration results in the `replica` hosts being marked `DOWN` in HAProxy.
+However, the [official HAProxy configuration template](https://github.com/zalando/patroni/blob/master/extras/confd/templates/haproxy.tmpl) has a problem - in a read-write backend, you want your non-`primary` hosts to be inaccessable to clients, to prevent write attempts against a read-only replica. However this configuration results in the `replica` hosts being marked `DOWN` in HAProxy.
 
 Now, some people might ask "well, why is that a big deal"? And they may be right. However, as soon as you start trying to monitor your HAProxy backends via an external monitoring tool, you see the problem: "CRITICAL" alerts during normal operation! After all, a `DOWN` host is considered a _problem_ in 99.9% of HAProxy usecases. But with Patroni, it's expected behaviour, which is not ideal.
 
@@ -23,7 +23,7 @@ So what can we do?
 
 HAProxy, since at least version 1.5, supports [a feature called `agent-check`](https://cbonte.github.io/haproxy-dconv/1.5/configuration.html#5.2-agent-check). In short, this "enable[s] an auxiliary agent check which is run independently of a regular health check". The `agent-check` will connect to a specific port on either the backend host or another target, and will modify the backend status based on the response, which must be one of the common HAProxy keyworks (eg. `MAINT` or `READY`).
 
-So how does this help us? Well, if we had some way to obtain Patroni's `master`/`replica` status for each host, we could, instead of having the `replica` machines marked `DOWN`, put them into `MAINT` mode instead. This provides cleanliness for monitoring purposes while still letting us use the typical Patroni HAProxy configuration, with just minimal modifications to the HAProxy configuation and deploying an additional daemon on the Patroni hosts.
+So how does this help us? Well, if we had some way to obtain Patroni's `primary`/`replica` status for each host, we could, instead of having the `replica` machines marked `DOWN`, put them into `MAINT` mode instead. This provides cleanliness for monitoring purposes while still letting us use the typical Patroni HAProxy configuration, with just minimal modifications to the HAProxy configuation and deploying an additional daemon on the Patroni hosts.
 
 ### The Code - Python 3 daemon
 
@@ -38,7 +38,7 @@ Here is the code - I'm sure it can be improved significantly but it works for me
 ```
 #!/usr/bin/env python3
 
-# Simple agent check for HAProxy to determine Patroni master/replica status
+# Simple agent check for HAProxy to determine Patroni primary/replica status
 
 import socket, requests
 
@@ -75,8 +75,8 @@ while True:
     conn, addr = sock.accept()
     state = getstate()
 
-    # Set our response based on the state; only `master` should be READY in read-write mode
+    # Set our response based on the state; only `primary` should be READY in read-write mode
-    if state == 'master':
+    if state == 'primary':
         data = b'READY\n'
     else:
         data = b'MAINT\n'
@@ -124,7 +124,7 @@ Now finally, configure your HAProxy backend to use the agent check. Here's my (l
 backend mast-pgX_psql_readwrite
         mode tcp
         option tcpka
-        option httpchk OPTIONS /master
+        option httpchk OPTIONS /primary
         http-check expect status 200
         server mast-pg1 mast-pg1:5432 resolvers nsX resolve-prefer ipv4 maxconn 100 check agent-check agent-port 5555 inter 1s fall 2 rise 2 on-marked-down shutdown-sessions port 8008
         server mast-pg2 mast-pg2:5432 resolvers nsX resolve-prefer ipv4 maxconn 100 check agent-check agent-port 5555 inter 1s fall 2 rise 2 on-marked-down shutdown-sessions port 8008
@@ -138,3 +138,5 @@ And here it is in action:
 ### Conclusion
 
 I hope that this provides some help to those who want to use Patroni fronted by HAProxy but don't want `DOWN` backends all the time! And of course, I'm open to suggestions for improvement or questions - just send me an email!
+
+UPDATE 2024-12-01: Updated various instances of `master` to `primary` to reflect changes in Patroni since this post was originally written. Thanks to [Gary T. Giesen][https://fosstodon.org/@ggiesen] for pointing these out!

content/en/posts/pvc-ceph-tuning-adventures-part-2/index.md

@@ -8,7 +8,7 @@ tags:
   - Systems Administration
 ---
 
-Last year, [I made a post](https://www.boniface.me/pvc-ceph-tuning-adventures/) about Ceph storage tuning with my [my Hyperconverged Infrastructure (HCI) project PVC](https://github.com/parallelvirtualcluster/pvc), with some interesting results. At the time, I outlined how two of the nodes were a newer, more robust server configuration, but I was still stuck with one old node which was potentially throwing off my performance results and analysis. Now, I have finally acquired a 3rd server matching the spec of the other 2, bringing all 3 of my hypervisor nodes into perfect balance. Also, earlier in the year, I upgraded the CPUs of the nodes to the Intel E5-2683 V4, which provides double the cores, threads, and L3 cache than the previous 8-core E5-2620 V4's, helping further boost performance.
+Last year, [I made a post](https://www.boniface.me/posts/pvc-ceph-tuning-adventures/) about Ceph storage tuning with my [my Hyperconverged Infrastructure (HCI) project PVC](https://github.com/parallelvirtualcluster/pvc), with some interesting results. At the time, I outlined how two of the nodes were a newer, more robust server configuration, but I was still stuck with one old node which was potentially throwing off my performance results and analysis. Now, I have finally acquired a 3rd server matching the spec of the other 2, bringing all 3 of my hypervisor nodes into perfect balance. Also, earlier in the year, I upgraded the CPUs of the nodes to the Intel E5-2683 V4, which provides double the cores, threads, and L3 cache than the previous 8-core E5-2620 V4's, helping further boost performance.
 
 ![Perfect Balance](perfect-balance.png)
 

content/en/posts/pvc-ceph-tuning-adventures-part-3/index.md

@@ -8,7 +8,7 @@ tags:
   - Systems Administration
 ---
 
-In 2021, [I made a post](https://www.boniface.me/pvc-ceph-tuning-adventures/) about Ceph storage tuning with my [my Hyperconverged Infrastructure (HCI) project PVC](https://github.com/parallelvirtualcluster/pvc), and in 2022 [I wrote a follow-up](https://www.boniface.me/pvc-ceph-tuning-adventures-part-2/) clarifying the test methodology with an upgraded hardware specification.
+In 2021, [I made a post](https://www.boniface.me/posts/pvc-ceph-tuning-adventures/) about Ceph storage tuning with my [my Hyperconverged Infrastructure (HCI) project PVC](https://github.com/parallelvirtualcluster/pvc), and in 2022 [I wrote a follow-up](https://www.boniface.me/posts/pvc-ceph-tuning-adventures-part-2/) clarifying the test methodology with an upgraded hardware specification.
 
 At the end of that second part, I said:
 

content/en/posts/pvc-ceph-tuning-adventures-part-4/index.md

@@ -0,0 +1,173 @@
+---
+title: "Adventures in Ceph tuning, part 4"
+description: "A third follow-up to my analysis of Ceph system tuning for Hyperconverged Infrastructure"
+date: 2024-09-23
+tags:
+  - PVC
+  - Ceph
+  - Development
+  - Systems Administration
+---
+
+In 2021, [I made a post](https://www.boniface.me/posts/pvc-ceph-tuning-adventures/) about Ceph storage tuning with my [my Hyperconverged Infrastructure (HCI) project PVC](https://github.com/parallelvirtualcluster/pvc), and [in 2022](https://www.boniface.me/posts/pvc-ceph-tuning-adventures-part-2/) and [in 2023](https://www.boniface.me/posts/pvc-ceph-tuning-adventures-part-3/) I wrote two follow-ups. The original post covered some ideas about tuning, the second clarified the methodologies and tests to provide more accurate data, and the third covered the differences between SATA and NVMe SSDs and more modern systems.
+
+At the end of that second part, I said:
+
+> The final part of this series will investigate the results if we put multiple OSDs on one NVMe drive and then rerun these same tests.
+
+Well, here is that final part!
+
+Like parts 2 and 3, I'll jump right into the cluster specifications, changes to the tests, and results. If you haven't read the first 3 parts yet, I suggest you do so now to get the proper context before proceeding.
+
+## The Cluster Specs (even better)
+
+Parts 1 and 2 used my own home server setup with older components for analysis, then part 3 used more modern AMD Epyc and NVMe-based Dell systems through my employer instead. In this part, we have significantly more powerful machines, featuring a 64-core high speed Epyc processor, 1TB of RAM, and 2x 100GbE ports per node. Like all previous test clusters, there are 3 nodes:
+
+| **Part**           | **node1 + node2 + node3** |
+| :-------------------------------------------------------------- | :------------------------ |
+| Chassis | Dell R6615 |
+| CPU | 1x [AMD 9534](https://www.amd.com/en/products/processors/server/epyc/4th-generation-9004-and-8004-series/amd-epyc-9534.html) (64 core, 128 thread, 2.45 GHz base, 3.7 GHz maximum boost, 3.55 GHz all-core boost) | 
+| Memory | 1024 GB DDR5 (16x 64 GB) |
+| OSD DB/WAL | N/A |
+| OSD Data | 4x Dell CM7 6.4TB U.2 NVMe SSD |
+| Networking | 2x Broadcom BCM57508 100GbE in 802.3ad (LACP) bond |
+
+## Test Outline and Hypothesis
+
+The primary hypothesis of this set of benchmarks is that there is a linear scaling of performance the more OSD processes that are added to the Ceph subsystem. In addition, a secondary hypothesis is that adding additional OSD processes per NVMe disk (i.e. splitting a single NVMe disk into several smaller "virtual" NVMe disks) will increase performance.
+
+Based on the results of the last post, I've focused this test suite on two key areas: (1) determining the levels of performance scaling across multiple OSD processes; and (2) determining exactly how many OSDs will optimize performance on such a powerful system. CPU sets provided some very contradictory results for NVMe drives in part 3, so I have excluded them from any of the testing here, since I do not believe them to be significantly useful in most workloads. In addition, these tests were conducted on a completely empty cluster, with no VMs active, so these tests are truly of the theoretical maximum performance of the Ceph subsystem on the given hardware and nothing else.
+
+There are 3 distinct OSD configurations being tested:
+
+* 1 OSD process per disk (6.4TB each)
+* 2 OSD processes per disk (3.2TB each)
+* 4 OSD processes per disk (1.6TB each)
+
+Then within each configuration, I ran tests with 1 physical disk, 2 physical disks, 3 physical disks, and all 4 physical disks active, providing a 3x4 matrix of 12 test types for each configuration.
+
+Within each test type, I ran 3 benchmarks to provide an average, leveraging PVC's built-in benchmarking system, identical to the previous 2 posts, and plotted the results.
+
+As preparation for this test, I implemented a new benchmark format in PVC (benchmark format 2, available in version 0.9.102) which, in addition to the previous FIO performance output, also collects and presents additional information on the overall (percentage) CPU and memory utilization of the testing node's Ceph monitor and OSD processes, as well as the testing node's average network throughput on the `brstorage` backend interface during the test. This helps ensure that all possible bottlenecks in the tests are accounted for and recorded, and provides useful numbers for comparison there.
+
+The results here are presented with very minimal analysis, as the goal here is mostly to present the results on such a large cluster, and the hypothesis is quite general. Overall conclusions will be presented below the results.
+
+## Test Results
+
+The test results are provided as graphs of the various test phases and number of active disks for each type of test as outlined above. In addition to raw performance numbers (IOPS + latency for random I/O tests and bandwidth + latency for sequential I/O tests), I also provide graphs of the CPU utilization (total, `ceph-mon`, and `ceph-osd`), memory utilization (same), and network throughput (total, send, and receive) to provide additional context and to help spot any bottlenecks.
+
+### Sequential I/O (high queue depth, high block size)
+
+These tests are primarily to determine the maximum possible read and write speed of sequential data to the cluster, for instance copying large files. Within the PVC system, this is a fairly rare occurrence, but this test attempts to saturate the system with as much data as possible to find bottlenecks.
+
+#### Read
+
+![Sequential Read Performance (bandwidth in MB/s, 4M block size, 64 queue depth) + average request latency (µs)](seq-read-bandwidth-latency.svg)
+
+![Sequential Read CPU Utilization](seq-read-cpu.svg)
+
+![Sequential Read Memory Utilization](seq-read-mem.svg)
+
+![Sequential Read Network Utilization](seq-read-net.svg)
+
+Sequential read speed does not seem to scale significantly with the number of OSD processes, being significantly above 45GB/s in all cases. There does seem to be a peak with 2 OSD processes per NVMe disk with both 1 and 4 disks, but this trend does not hold for 2 and 3 disks, or scale evenly, so we can conclude that there is no real benefit to sequential read from having either more OSDs total, or more OSD processes on each NVMe disk.
+
+CPU utilization remains steady for all configurations, so this particular test is not taxing on the CPU. Memory usage increases steadily as would be expected from the increase in the number of OSD processes. Finally network throughput is minimal, as reads are done from the "closest" OSD and thus would always remain on the same system.
+
+#### Write
+
+![Sequential Write Performance (bandwidth in MB/s, 4M block size, 64 queue depth) + average request latency (µs)](seq-write-bandwidth-latency.svg)
+
+![Sequential Write CPU Utilization](seq-write-cpu.svg)
+
+![Sequential Write Memory Utilization](seq-write-mem.svg)
+
+![Sequential Write Network Utilization](seq-write-net.svg)
+
+Sequential write speed seems to scale fairly dramatically between 1 and 4 OSDs per node, with over double the throughput, but this very quickly levels out at 4 total OSDs per node, and additional OSDs do not significantly increase performance further, and in fact slightly harm it, with the peak performance being a 2-disk-2-OSD-per-disk configuration. Latency also begins to increase significantly both as the number of disks increase, and as the number of OSDs per disk increases. Thus for write latency-sensitive workloads, fewer total OSDs is indeed better, at the cost of overall throughput.
+
+OSD CPU utilization does climb in a similar pattern to the performance, indicating the tight correlation between those values, and memory utilization followes the standard expected increase from more OSD processes. Network utilization reveals a possible bottleneck here, the likely cause of both the latency increase and performance cap: total throughput on the two NICs caps out at a combined 100Gbps on multiple tests; given that these cards are full-duplex, it would seem the bottleneck is somewhere else, perhaps in the kernel or within the CPU I/O layer. This also seems to show a theoretical maximum write performance in general of about 6.5GB/s.
+
+### Random I/O (high queue-depth, low block size)
+
+High queue-depth random I/O is the primary real-world metric of a PVC cluster's storage subsystem, as many VMs all performing small operations is the normal storage load of a cluster. This test attempts to saturate the system with as much I/O as possible simulating VM traffic to determine the highest number of simultaneous I/O operations per second (IOPS).
+
+#### Read
+
+![Random Read Performance (IOPS, 4k block size, 64 queue depth) + average request latency (µs)](rand-read-bandwidth-latency.svg)
+
+![Random Read CPU Utilization](rand-read-cpu.svg)
+
+![Random Read Memory Utilization](rand-read-mem.svg)
+
+![Random Read Network Utilization](rand-read-net.svg)
+
+Random read performance shows a similar pattern of performance scaling to sequential writes, with a clear jump between 1 and 4 OSDs per node, before similarly maxing out at around 120,000 IOPS. There is a clear increase as more OSDs are added to each disk as well, showing that a single OSD process is not quite enough to get all the read performance out of the NVMe disk.
+
+CPU and memory utilization are identical to sequential read, and network throughput, while higher, is still less than 3.5Gbps total with plenty of available performance there.
+
+#### Write
+
+![Random Write Performance (IOPS, 4k block size, 64 queue depth) + average request latency (µs)](rand-write-bandwidth-latency.svg)
+
+![Random Write CPU Utilization](rand-write-cpu.svg)
+
+![Random Write Memory Utilization](rand-write-mem.svg)
+
+![Random Write Network Utilization](rand-write-net.svg)
+
+Random write performance continues to show the same trend as random read and sequential write in terms of scaling from 1 to 4 OSDs before maxing out, with a similar signficant jump followed by a clear plateau. Latency also follows the same trajectory as sequential write, though overall much lower.
+
+CPU utilization does climb fairly significantly as the total number of OSDs increases, while memory utilization follows the same trends based on total OSD count. Network throughput is higher still, matching the performance trend and maxing out around 6Gbps of total throughput.
+
+### Random I/O (low queue-depth, low block size)
+
+Low queue-depth random I/O primarily tests the actual latency of individual requests in the Ceph subsystem, to determine what the theoretical "best case" is for any single I/O operation to the storage cluster, without the I/O queue adding additional latency. While most real-world applications will see at least some queue latency due to noisy neighbours, this test shows the best case.
+
+#### Read
+
+![Random Read Performance (IOPS, 4k block size, 1 queue depth) + average request latency (µs)](randlowdepth-read-bandwidth-latency.svg)
+
+![Random Read CPU Utilization](randlowdepth-read-cpu.svg)
+
+![Random Read Memory Utilization](randlowdepth-read-mem.svg)
+
+![Random Read Network Utilization](randlowdepth-read-net.svg)
+
+Single queue-depth random reads show an expected diminishing return as more OSDs are added, along with a very slight increase in latency. This is expected because individual read requests must hit more and more disks, and thus shuffle more and more data around between the PCIe bus, CPU, and main memory. 
+
+CPU utilization is consistently low, while memory follows the usual trend. Network throughput is also low but follows a slight downward trajectory matching the slight drops in performance.
+
+#### Write
+
+![Random Write Performance (IOPS, 4k block size, 1 queue depth) + average request latency (µs)](randlowdepth-write-bandwidth-latency.svg)
+
+![Random Write CPU Utilization](randlowdepth-write-cpu.svg)
+
+![Random Write Memory Utilization](randlowdepth-write-mem.svg)
+
+![Random Write Network Utilization](randlowdepth-write-net.svg)
+
+Single queue-depth random writes show a similar dimishing return to reads, with spikier latency.
+
+CPU, memory, and network throughput shows similar trends as well though network throughput is overall quite a bit higher as expected.
+
+## Overall Conclusions and Key Lessons Learned
+
+For sequentual read I/O, there is a clear benefit to more OSDs up to a point, with the maximum performance falling somewhere around 8 total OSD processes on 4 disks, or 4 total OSD processes on 1 disk. Overall for random reads there does not seem to be a clear performance benefit to more disks beyond 2, but there is a benefit to more OSD processes on those disks, especially with 1 disk.
+
+For sequential write I/O, there is a similar benefit to more OSDs up to about 4 total, at which point it seems that network throughput - or, more specifically, throughput between the internal system components - becomes a bottleneck. CPU utilization also remains fairly low at ~10% maximum, so this does not appear to be a constraint on these systems.
+
+Overall, while sequential performance is purely synthetic, these results do help us draw some useful conclusions: namely, that 1-2 disks per node is plenty, and that ~2 OSD processes per disk provides close to optimal performance.
+
+For random read I/O, the returns of more OSD processes is signficant, with noticeable scaling, though nowhere close to linear once above 4 total OSD processes per node.
+
+For random write I/O, the story is similar, with a clear peak around 4 total OSD processes per node, but whether these are on 1 or 4 disks does not seem to matter. Where the bottleneck seems to be on this system would need to be investigated further.
+
+Overall, random I/O performance definitely points to a sweet spot of 4 OSD processes per node, though this appears to be a clear maximum; one disk per node with 4 OSD processes can also maintain the same throughput.
+
+For low queue-depth I/O, as expected fewer OSDs are better in terms of performance, but latency seems to scale fairly consistently with no major changes, and thus, the number of disks does not significantly alter this metric for good or bad.
+
+Thus, our overall conclusion would be that somewhere between 1 and 4 OSD processes is optimal with these systems, and that this seems to hold true regardless of the number of actual underlying disks. In terms of our hypotheses, we can definitely say that scaling is not linear beyond 4 OSD processes, and that for any case where there is a clear benefit, whether this is done purely with multiple processes on one disks, or on multiple disks, does not matter. Given this particular hardware configuration, the optimal choice would be 2 OSD processes per disk with all 4 disks being utilized, at least from a performance standpoint; more disks of course mean more space, which is more likely to be the constraint in real deployments versus a few percentage points of performance.
+
+Thank you for joining me for this long-running series, which has hopefully provided some useful information into the scaling of storage performance within PVC and in small Ceph clusters more broadly. Hopefully you found this information useful; I know I have, and have made countless tweaks to the PVC system as a result! Happy serving.

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+ <path fill="none" stroke="rgb(114,159,207)" stroke-linejoin="round" d="M 11436,4832 L 11561,4957 11686,4832 11561,4707 11436,4832 Z"/>
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+ <path fill="none" stroke="rgb(114,159,207)" stroke-linejoin="round" d="M 12419,4960 L 12544,5085 12669,4960 12544,4835 12419,4960 Z"/>
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+ <path fill="none" stroke="rgb(114,159,207)" stroke-linejoin="round" d="M 13402,4837 L 13527,4962 13652,4837 13527,4712 13402,4837 Z"/>
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+ <text class="SVGTextShape" transform="rotate(-44.9 8604 8746)"><tspan class="TextParagraph" font-family="Liberation Sans, sans-serif" font-size="353px" font-weight="400"><tspan class="TextPosition" x="8604" y="8746"><tspan fill="rgb(0,0,0)" stroke="none" style="white-space: pre">3 disk, 4 OSD/disk</tspan></tspan></tspan></text>
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+ <text class="SVGTextShape" transform="rotate(-44.9 11552 8746)"><tspan class="TextParagraph" font-family="Liberation Sans, sans-serif" font-size="353px" font-weight="400"><tspan class="TextPosition" x="11552" y="8746"><tspan fill="rgb(0,0,0)" stroke="none" style="white-space: pre">4 disk, 4 OSD/disk</tspan></tspan></tspan></text>
+ <text class="SVGTextShape"><tspan class="TextParagraph" font-family="Liberation Sans, sans-serif" font-size="353px" font-weight="400"><tspan class="TextPosition" x="1539" y="6334"><tspan fill="rgb(0,0,0)" stroke="none" style="white-space: pre">95000</tspan></tspan></tspan></text>
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+ <text class="SVGTextShape"><tspan class="TextParagraph" font-family="Liberation Sans, sans-serif" font-size="353px" font-weight="400"><tspan class="TextPosition" x="1354" y="2258"><tspan fill="rgb(0,0,0)" stroke="none" style="white-space: pre">125000</tspan></tspan></tspan></text>
+ <text class="SVGTextShape"><tspan class="TextParagraph" font-family="Liberation Sans, sans-serif" font-size="353px" font-weight="400"><tspan class="TextPosition" x="1354" y="1579"><tspan fill="rgb(0,0,0)" stroke="none" style="white-space: pre">130000</tspan></tspan></tspan></text>
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+ <path fill="rgb(0,69,134)" stroke="none" d="M 13671,7951 L 13671,8162 13882,8162 13882,7951 13671,7951 Z"/>
+ <path fill="none" stroke="rgb(0,69,134)" stroke-linejoin="round" d="M 13671,7951 L 13671,8162 13882,8162 13882,7951 13671,7951 Z"/>
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+ <path fill="rgb(114,159,207)" stroke="none" d="M 13671,8554 L 13777,8660 13882,8554 13777,8449 13671,8554 Z"/>
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+ <text class="SVGTextShape"><tspan class="TextParagraph" font-family="Liberation Sans, sans-serif" font-size="353px" font-weight="400"><tspan class="TextPosition" x="2280" y="4749"><tspan fill="rgb(0,0,0)" stroke="none" style="white-space: pre">2</tspan></tspan></tspan></text>
+ <text class="SVGTextShape"><tspan class="TextParagraph" font-family="Liberation Sans, sans-serif" font-size="353px" font-weight="400"><tspan class="TextPosition" x="2280" y="3957"><tspan fill="rgb(0,0,0)" stroke="none" style="white-space: pre">3</tspan></tspan></tspan></text>
+ <text class="SVGTextShape"><tspan class="TextParagraph" font-family="Liberation Sans, sans-serif" font-size="353px" font-weight="400"><tspan class="TextPosition" x="2280" y="3164"><tspan fill="rgb(0,0,0)" stroke="none" style="white-space: pre">4</tspan></tspan></tspan></text>
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+ <text class="SVGTextShape"><tspan class="TextParagraph" font-family="Liberation Sans, sans-serif" font-size="459px" font-weight="400"><tspan class="TextPosition" x="3409" y="741"><tspan fill="rgb(0,0,0)" stroke="none" style="white-space: pre">Random Read (4k block size, 64 queue depth)</tspan></tspan></tspan></text>
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+ <text class="SVGTextShape" transform="rotate(-90 1573 6400)"><tspan class="TextParagraph" font-family="Liberation Sans, sans-serif" font-size="318px" font-weight="400"><tspan class="TextPosition" x="1573" y="6400"><tspan fill="rgb(0,0,0)" stroke="none" style="white-space: pre">Memory Utilization % (lower is better)</tspan></tspan></tspan></text>
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+ <path fill="none" stroke="rgb(114,159,207)" stroke-linejoin="round" d="M 11436,4938 L 11561,5063 11686,4938 11561,4813 11436,4938 Z"/>
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+ <text class="SVGTextShape" transform="rotate(-44.9 11552 8747)"><tspan class="TextParagraph" font-family="Liberation Sans, sans-serif" font-size="353px" font-weight="400"><tspan class="TextPosition" x="11552" y="8747"><tspan fill="rgb(0,0,0)" stroke="none" style="white-space: pre">4 disk, 4 OSD/disk</tspan></tspan></tspan></text>
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+ <text class="SVGTextShape"><tspan class="TextParagraph" font-family="Liberation Sans, sans-serif" font-size="353px" font-weight="400"><tspan class="TextPosition" x="13777" y="5383"><tspan fill="rgb(0,0,0)" stroke="none" style="white-space: pre">1400</tspan></tspan></tspan></text>
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+ <text class="SVGTextShape"><tspan class="TextParagraph" font-family="Liberation Sans, sans-serif" font-size="353px" font-weight="400"><tspan class="TextPosition" x="13777" y="2054"><tspan fill="rgb(0,0,0)" stroke="none" style="white-space: pre">2800</tspan></tspan></tspan></text>
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+ <path fill="rgb(0,69,134)" stroke="none" d="M 13671,7951 L 13671,8162 13882,8162 13882,7951 13671,7951 Z"/>
+ <path fill="none" stroke="rgb(0,69,134)" stroke-linejoin="round" d="M 13671,7951 L 13671,8162 13882,8162 13882,7951 13671,7951 Z"/>
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+ <path fill="rgb(114,159,207)" stroke="none" d="M 13671,8554 L 13777,8660 13882,8554 13777,8449 13671,8554 Z"/>
+ <path fill="none" stroke="rgb(114,159,207)" stroke-linejoin="round" d="M 13671,8554 L 13777,8660 13882,8554 13777,8449 13671,8554 Z"/>
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+ <text class="SVGTextShape"><tspan class="TextParagraph" font-family="Liberation Sans, sans-serif" font-size="353px" font-weight="400"><tspan class="TextPosition" x="2280" y="3164"><tspan fill="rgb(0,0,0)" stroke="none" style="white-space: pre">4</tspan></tspan></tspan></text>
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+ <text class="SVGTextShape"><tspan class="TextParagraph" font-family="Liberation Sans, sans-serif" font-size="353px" font-weight="400"><tspan class="TextPosition" x="13777" y="2054"><tspan fill="rgb(0,0,0)" stroke="none" style="white-space: pre">4500</tspan></tspan></tspan></text>
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+ <path fill="rgb(114,159,207)" stroke="none" d="M 13671,8554 L 13777,8660 13882,8554 13777,8449 13671,8554 Z"/>
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+ <path fill="rgb(255,66,14)" stroke="none" d="M 13525,8652 L 13631,8758 13736,8652 13631,8547 13525,8652 Z"/>
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+ <path fill="rgb(114,159,207)" stroke="none" d="M 13485,8596 L 13591,8702 13696,8596 13591,8491 13485,8596 Z"/>
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+ <path fill="none" stroke="rgb(255,66,14)" stroke-linejoin="round" d="M 12419,6118 L 12544,6243 12669,6118 12544,5993 12419,6118 Z"/>
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+ <path fill="none" stroke="rgb(255,66,14)" stroke-linejoin="round" d="M 13402,6118 L 13527,6243 13652,6118 13527,5993 13402,6118 Z"/>
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+ <text class="SVGTextShape"><tspan class="TextParagraph" font-family="Liberation Sans, sans-serif" font-size="353px" font-weight="400"><tspan class="TextPosition" x="2280" y="6335"><tspan fill="rgb(0,0,0)" stroke="none" style="white-space: pre">0</tspan></tspan></tspan></text>
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+ <text class="SVGTextShape"><tspan class="TextParagraph" font-family="Liberation Sans, sans-serif" font-size="353px" font-weight="400"><tspan class="TextPosition" x="1989" y="4908"><tspan fill="rgb(0,0,0)" stroke="none" style="white-space: pre">1.5</tspan></tspan></tspan></text>
+ <text class="SVGTextShape"><tspan class="TextParagraph" font-family="Liberation Sans, sans-serif" font-size="353px" font-weight="400"><tspan class="TextPosition" x="2280" y="4432"><tspan fill="rgb(0,0,0)" stroke="none" style="white-space: pre">2</tspan></tspan></tspan></text>
+ <text class="SVGTextShape"><tspan class="TextParagraph" font-family="Liberation Sans, sans-serif" font-size="353px" font-weight="400"><tspan class="TextPosition" x="1989" y="3957"><tspan fill="rgb(0,0,0)" stroke="none" style="white-space: pre">2.5</tspan></tspan></tspan></text>
+ <text class="SVGTextShape"><tspan class="TextParagraph" font-family="Liberation Sans, sans-serif" font-size="353px" font-weight="400"><tspan class="TextPosition" x="2280" y="3481"><tspan fill="rgb(0,0,0)" stroke="none" style="white-space: pre">3</tspan></tspan></tspan></text>
+ <text class="SVGTextShape"><tspan class="TextParagraph" font-family="Liberation Sans, sans-serif" font-size="353px" font-weight="400"><tspan class="TextPosition" x="1989" y="3005"><tspan fill="rgb(0,0,0)" stroke="none" style="white-space: pre">3.5</tspan></tspan></tspan></text>
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+ <text class="SVGTextShape"><tspan class="TextParagraph" font-family="Liberation Sans, sans-serif" font-size="353px" font-weight="400"><tspan class="TextPosition" x="1989" y="2054"><tspan fill="rgb(0,0,0)" stroke="none" style="white-space: pre">4.5</tspan></tspan></tspan></text>
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+ <path fill="none" stroke="rgb(114,159,207)" stroke-linejoin="round" d="M 13402,3556 L 13527,3681 13652,3556 13527,3431 13402,3556 Z"/>
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+ <path fill="rgb(0,69,134)" stroke="none" d="M 13485,7951 L 13485,8162 13696,8162 13696,7951 13485,7951 Z"/>
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+ <text class="SVGTextShape"><tspan class="TextParagraph" font-family="Liberation Sans, sans-serif" font-size="353px" font-weight="400"><tspan class="TextPosition" x="14091" y="8674"><tspan fill="rgb(0,0,0)" stroke="none" style="white-space: pre">Latency</tspan></tspan></tspan></text>
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+ <text class="SVGTextShape"><tspan class="TextParagraph" font-family="Liberation Sans, sans-serif" font-size="353px" font-weight="400"><tspan class="TextPosition" x="2095" y="1579"><tspan fill="rgb(0,0,0)" stroke="none" style="white-space: pre">10</tspan></tspan></tspan></text>
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+ <path fill="rgb(255,211,32)" stroke="none" d="M 13525,8149 L 13631,8360 13736,8149 13525,8149 Z"/>
+ <path fill="none" stroke="rgb(255,211,32)" stroke-linejoin="round" d="M 13525,8149 L 13631,8360 13736,8149 13525,8149 Z"/>
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+ <path fill="none" stroke="rgb(255,66,14)" stroke-linejoin="round" d="M 13525,8652 L 13631,8758 13736,8652 13631,8547 13525,8652 Z"/>
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+ <path fill="none" stroke="rgb(255,66,14)" stroke-linejoin="round" d="M 12419,6118 L 12544,6243 12669,6118 12544,5993 12419,6118 Z"/>
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+ <path fill="none" stroke="rgb(255,66,14)" stroke-linejoin="round" d="M 13402,6118 L 13527,6243 13652,6118 13527,5993 13402,6118 Z"/>
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+ <text class="SVGTextShape" transform="rotate(-44.9 10570 8747)"><tspan class="TextParagraph" font-family="Liberation Sans, sans-serif" font-size="353px" font-weight="400"><tspan class="TextPosition" x="10570" y="8747"><tspan fill="rgb(0,0,0)" stroke="none" style="white-space: pre">4 disk, 2 OSD/disk</tspan></tspan></tspan></text>
+ <text class="SVGTextShape" transform="rotate(-44.9 11552 8747)"><tspan class="TextParagraph" font-family="Liberation Sans, sans-serif" font-size="353px" font-weight="400"><tspan class="TextPosition" x="11552" y="8747"><tspan fill="rgb(0,0,0)" stroke="none" style="white-space: pre">4 disk, 4 OSD/disk</tspan></tspan></tspan></text>
+ <text class="SVGTextShape"><tspan class="TextParagraph" font-family="Liberation Sans, sans-serif" font-size="353px" font-weight="400"><tspan class="TextPosition" x="2280" y="6335"><tspan fill="rgb(0,0,0)" stroke="none" style="white-space: pre">0</tspan></tspan></tspan></text>
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+ <text class="SVGTextShape"><tspan class="TextParagraph" font-family="Liberation Sans, sans-serif" font-size="353px" font-weight="400"><tspan class="TextPosition" x="2280" y="5383"><tspan fill="rgb(0,0,0)" stroke="none" style="white-space: pre">1</tspan></tspan></tspan></text>
+ <text class="SVGTextShape"><tspan class="TextParagraph" font-family="Liberation Sans, sans-serif" font-size="353px" font-weight="400"><tspan class="TextPosition" x="1989" y="4908"><tspan fill="rgb(0,0,0)" stroke="none" style="white-space: pre">1.5</tspan></tspan></tspan></text>
+ <text class="SVGTextShape"><tspan class="TextParagraph" font-family="Liberation Sans, sans-serif" font-size="353px" font-weight="400"><tspan class="TextPosition" x="2280" y="4432"><tspan fill="rgb(0,0,0)" stroke="none" style="white-space: pre">2</tspan></tspan></tspan></text>
+ <text class="SVGTextShape"><tspan class="TextParagraph" font-family="Liberation Sans, sans-serif" font-size="353px" font-weight="400"><tspan class="TextPosition" x="1989" y="3957"><tspan fill="rgb(0,0,0)" stroke="none" style="white-space: pre">2.5</tspan></tspan></tspan></text>
+ <text class="SVGTextShape"><tspan class="TextParagraph" font-family="Liberation Sans, sans-serif" font-size="353px" font-weight="400"><tspan class="TextPosition" x="2280" y="3481"><tspan fill="rgb(0,0,0)" stroke="none" style="white-space: pre">3</tspan></tspan></tspan></text>
+ <text class="SVGTextShape"><tspan class="TextParagraph" font-family="Liberation Sans, sans-serif" font-size="353px" font-weight="400"><tspan class="TextPosition" x="1989" y="3005"><tspan fill="rgb(0,0,0)" stroke="none" style="white-space: pre">3.5</tspan></tspan></tspan></text>
+ <text class="SVGTextShape"><tspan class="TextParagraph" font-family="Liberation Sans, sans-serif" font-size="353px" font-weight="400"><tspan class="TextPosition" x="2280" y="2530"><tspan fill="rgb(0,0,0)" stroke="none" style="white-space: pre">4</tspan></tspan></tspan></text>
+ <text class="SVGTextShape"><tspan class="TextParagraph" font-family="Liberation Sans, sans-serif" font-size="353px" font-weight="400"><tspan class="TextPosition" x="1989" y="2054"><tspan fill="rgb(0,0,0)" stroke="none" style="white-space: pre">4.5</tspan></tspan></tspan></text>
+ <text class="SVGTextShape"><tspan class="TextParagraph" font-family="Liberation Sans, sans-serif" font-size="353px" font-weight="400"><tspan class="TextPosition" x="2280" y="1579"><tspan fill="rgb(0,0,0)" stroke="none" style="white-space: pre">5</tspan></tspan></tspan></text>
+ <text class="SVGTextShape"><tspan class="TextParagraph" font-family="Liberation Sans, sans-serif" font-size="459px" font-weight="400"><tspan class="TextPosition" x="3409" y="747"><tspan fill="rgb(0,0,0)" stroke="none" style="white-space: pre">Sequential Write (4M block size, 64 queue depth)</tspan></tspan></tspan></text>
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+ <text class="SVGTextShape" transform="rotate(-90 1573 6393)"><tspan class="TextParagraph" font-family="Liberation Sans, sans-serif" font-size="318px" font-weight="400"><tspan class="TextPosition" x="1573" y="6393"><tspan fill="rgb(0,0,0)" stroke="none" style="white-space: pre">Memory Utilization % (lower is better)</tspan></tspan></tspan></text>
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+ <text class="SVGTextShape"><tspan class="TextParagraph" font-family="Liberation Sans, sans-serif" font-size="353px" font-weight="400"><tspan class="TextPosition" x="1539" y="3957"><tspan fill="rgb(0,0,0)" stroke="none" style="white-space: pre">60000</tspan></tspan></tspan></text>
+ <text class="SVGTextShape"><tspan class="TextParagraph" font-family="Liberation Sans, sans-serif" font-size="353px" font-weight="400"><tspan class="TextPosition" x="1539" y="3164"><tspan fill="rgb(0,0,0)" stroke="none" style="white-space: pre">80000</tspan></tspan></tspan></text>
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+ <text class="SVGTextShape"><tspan class="TextParagraph" font-family="Liberation Sans, sans-serif" font-size="388px" font-weight="400"><tspan class="TextPosition" x="3985" y="1248"><tspan fill="rgb(0,0,0)" stroke="none" style="white-space: pre">Average Network Throughput, primary coordinator</tspan></tspan></tspan></text>
+ <path fill="none" stroke="rgb(0,69,134)" stroke-width="80" stroke-linejoin="round" d="M 13363,7856 L 14163,7856"/>
+ <path fill="rgb(0,69,134)" stroke="none" d="M 13657,7751 L 13657,7962 13868,7962 13868,7751 13657,7751 Z"/>
+ <path fill="none" stroke="rgb(0,69,134)" stroke-linejoin="round" d="M 13657,7751 L 13657,7962 13868,7962 13868,7751 13657,7751 Z"/>
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+ <path fill="none" stroke="rgb(255,66,14)" stroke-linejoin="round" d="M 13657,8652 L 13763,8758 13868,8652 13763,8547 13657,8652 Z"/>
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+ <text class="SVGTextShape"><tspan class="TextParagraph" font-family="Liberation Sans, sans-serif" font-size="353px" font-weight="400"><tspan class="TextPosition" x="14263" y="8374"><tspan fill="rgb(0,0,0)" stroke="none" style="white-space: pre">Send</tspan></tspan></tspan></text>
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+</svg>

content/en/posts/smart-pwm-fan-controller/index.md

@@ -0,0 +1,66 @@
+---
+title: "An ESPHome-powered Smart PWM Fan Controller"
+description: "Control your fan walls with style from HomeAssistant"
+date: 2025-05-16
+tags:
+  - DIY
+  - Home Automation
+---
+
+## The Motivations
+
+I have a few fan arrays/walls throughout my house, namely two in my garage, and one I plan to build in my room over my bed to replace a tower fan.
+
+But PC fans can be noisy, and control is ideal. So I decided to build myself a relatively simple ESPHome-based fan controller!
+
+## The Design
+
+I of course wanted to base the design off the ESP32, which is my go-to microcontroller for all ESPHome-related devices these days. One crucial feature of the ESP32 is that it contains 8 pulse counter units, which allow the chip to count pulses - like a fan tachometer - very quickly and without using the CPU. I selected my venerable slim HW-395 model, which I also use for [my](/posts/the-supersensor) (Supersensors](/posts/the-supersensor-2.0), as its compact size but full pin count makes designing around it very easy.
+
+The ESP32 alone can output PWM as well, so I didn't need any sort of fancy controller chip - I just hooked the PWM lines up to each fan and let the ESPHome software do the rest. Lastly a relay controls power to the fans, for simple on/off control in addition to the PWM level control, giving the full range of control needed for a fan array.
+
+I also needed a way to step down the 12VDC input to the 5V that both the ESP32 and relay needed, so for that I selected a basic adjustable DC-DC converter. This did require initial tuning during each board's assembly, but once set it should never need further adjustment. I used an SMD-like method with a hot air gun to ensure a flat profile with good contact for this board, while everything else is through-hole soldered.
+
+I designed the board in EasyEDA and ordered from JLCPCB for a very reasonable price (though shipping costs are not what they used to be). The overall design is quite simple, with power routing capable of at least 3A of current at a minimum.
+
+![Board Design](board-design.png)
+
+![Board Layout](board-layout.png)
+
+Which when fabricated looks lovely in black.
+
+![Board](board.png)
+
+And assembled it looks very sleek.
+
+![Assembled](assembled.png)
+
+Lastly, the HomeAssistant view shows everthing we might need, with power and speed controls as well as the RPM tachometer output of each fan (useful to see levels or if a fan fails).
+
+![HomeAssistant Device](hass.png)
+
+ESPHome code and schematics for the PCB can be found on [the GitHub project page](https://github.com/joshuaboniface/smart-pwm-fan-controller).
+
+## Parts List (prices as of May 2025)
+
+| Qty       | Component                | Cost (CAD, ex. shipping) | Links |
+|-----------|--------------------------|--------------------------|-------|
+| 1         | ESP32 HW-395             | $6.67                    | [AliExpress](https://www.aliexpress.com/item/1005006019875837.html)* |
+| 8         | 4-pin fan header         | $0.21 ($1.02/5)          | [AliExpress](https://www.aliexpress.com/item/1005007499957251.html) |
+| 1         | MP1584EN DC-DC converter | $1.34 ($13.99/10)        | [Amazon](https://www.amazon.ca/dp/B07THSDWHX) |
+| 1         | SRD-05VDC-SL-C relay     | $1.52 ($18.16/12)        | [Amazon](https://www.amazon.ca/dp/B098JHY5TP) |
+| 1         | DC barrel jack           | $0.98 ($9.79/10)         | [Amazon](https://www.amazon.ca/dp/B011HFLKI2) |
+| 2         | 1kΩ resistor (1%)        | $0.06 ($10.99/200)       | [Amazon](https://www.amazon.ca/dp/B096PK4XN5) |
+| 1         | 1N4004 diode             | $0.07 ($20.99/300)       | [Amazon (kit)](https://www.amazon.ca/dp/B07YK3XMQQ) |
+| 1         | BC337 transistor         | $0.06 ($12.13/200)       | [Amazon (kit)](https://www.amazon.ca/dp/B07X62PBMH) |
+| 1         | 3mm LED                  | $0.05 ($15.99/350)       | [Amazon (kit)](https://www.amazon.ca/dp/B073GRZNRL) |
+| 1         | Custom PCB (JLC)         | $0.50 ($5.00/10)         | [GitHub](https://github.com/joshuaboniface/esphome-pwm-fan-controller) |
+| **TOTAL** |                          | $12.99                   |       |
+
+* Items marked with an asterisk (`*`) require selection of the correct specific component on the page.
+
+* Several pieces came as part of larger variety kits, so individual prices may not be completely accurate.
+
+## Final Thoughts
+
+This was a fun little project, and I'm quite happy with how it turned out. And it will definitely help keep me cool this summer. Happy hacking!

layouts/shortcodes/aplayer.html

@@ -1,6 +1,6 @@
 <!-- require APlayer -->
 <link rel="stylesheet" href="/css/APlayer.css">
-<script src="/js/APlayer.min.js"></script>
+<script src="/js/APlayer.js"></script>
 
 <div id="aplayer"></div>
 
@@ -72,10 +72,18 @@
                     
                     url: "{{ index (split ($.Get "url")  ",")  $i }}",
 
+                    {{ with index (split ($.Get "duration")  ",") $i }}
+                        duration: "{{ . }}",
+                    {{ end }}
+
                     {{ with index (split ($.Get "artist")  ",") $i }}
                         artist: "{{ . }}",
                     {{ end }}
 
+                    {{ with index (split ($.Get "cover")  ",") $i }}
+                        cover: "{{ . }}",
+                    {{ end }}
+                    
                     {{ with index (split ($.Get "lrc")  ",") $i }}
                         lrc: "{{ . }}"
                     {{ end }}

static/css/APlayer.css

@@ -424,7 +424,7 @@
 }
 .aplayer .aplayer-lrc p {
     font-size: 12px;
-    color: #666;
+    color: #aaa;
     line-height: 16px!important;
     height: 16px!important;
     padding: 0!important;
@@ -511,12 +511,18 @@
     cursor: pointer;
 }
 .aplayer .aplayer-list ol li .aplayer-list-index {
-    color: #666;
+    color: #888;
     margin-right: 12px;
     cursor: pointer;
 }
+.aplayer .aplayer-list ol li .aplayer-list-duration {
+    color: #888;
+    float: right;
+    cursor: pointer;
+    margin-left: 1em;
+}
 .aplayer .aplayer-list ol li .aplayer-list-author {
-    color: #666;
+    color: #888;
     float: right;
     cursor: pointer;
 }