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Joshua Boniface e70255dbd6 Support configurable interface MTUs 
MTUs were hardcoded at 9000, which breaks if the underlying interface
or network switch does not support jumbo frames, a possible deployment
limitation. This has non-obvious consequences due to MTU mismatches
for certain services (Ceph, Zookeeper, etc.).

This commit adds support for configurable MTUs for each interface,
set in pvcd.yaml. The example has been updated to reflect this, with
a default of 1500 (the Ethernet standard).

This commit also adds autoconfiguration of the VNI device MTU based
on the `vni_mtu` value, the same for bridge networks and minus 50
(rather than 200 from the hardcoded value, based on the following
resource [1]) for VXLAN networks.

[1] http://ipengineer.net/2014/06/vxlan-mtu-vs-ip-mtu-consideration/
 		2019-06-17 23:34:48 -04:00
client-api Add new endpoints 2019-05-10 23:26:59 -04:00
client-cli Ensure myhostname is short 2019-05-23 22:27:34 -04:00
client-common Show vCPU count on CLI output 2019-06-02 22:30:26 -04:00
debian Remove disable of pvc-flush 2019-05-23 23:47:57 -04:00
docs Remove backup file 2019-05-30 21:59:56 -04:00
node-daemon Support configurable interface MTUs 2019-06-17 23:34:48 -04:00
.file-header Add file header template 2018-09-10 01:19:08 -04:00
.gitignore Ignore swap files 2018-06-18 21:26:36 -04:00
.gitlab-ci.yml Massive rejigger into single daemon 2018-10-14 02:40:54 -04:00
LICENSE Remove licence blurb for python_dhcp_server 2018-10-14 16:29:39 -04:00
README.md Minor tweaks to README appearance 2019-03-14 20:37:47 -04:00
build-deb.sh Massive rejigger into single daemon 2018-10-14 02:40:54 -04:00
mkdocs.yml Add documentation to project 2019-03-14 20:23:39 -04:00
pvc_logo.svg A few more tweaks 2018-06-06 02:43:34 -04:00

README.md

PVC - The Parallel Virtual Cluster suite

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PVC is a suite of Python 3 tools to manage virtualized clusters. It provides a fully-functional private cloud based on four key principles:

  1. Be Free Software Forever (or Bust)
  2. Be Opinionated and Efficient and Pick The Best Software
  3. Be Scalable and Redundant but Not Hyperscale
  4. Be Simple To Use, Configure, and Maintain

It is designed to be an administrator-friendly but extremely powerful and rich modern private cloud system, but without the feature bloat and complexity of tools like OpenStack. With PVC, an administrator can provision, manage, and update a cluster of dozens or more hypervisors running thousands of VMs using a simple CLI tool, HTTP API, or web interface. PVC is based entirely on Debian GNU/Linux and Free-and-Open-Source tools, providing the glue to bootstrap, provision and manage the cluster, then getting out of the administrators' way.

Your cloud, the best way; just add physical servers.

See the documentation here