Ensure CPU tuning is only applied on Debian 11+
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@ -153,6 +153,7 @@ pvc_sriov_enable: False
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# > ADVANCED TUNING: These options are strongly recommended due to the performance gains possible, but
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# most users would be able to use the default without too much issue. Read the following notes
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# carefully to determine if this setting should be enabled in your cluster.
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# > NOTE: CPU tuning is only supported on Debian Bullseye (11) or newer
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# > Defines CPU tuning/affinity options for various subsystems within PVC. This is useful to
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# help limit the impact that noisy elements may have on other elements, e.g. busy VMs on
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# OSDs, or system processes on latency-sensitive VMs.
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@ -12,7 +12,7 @@ recursive_dns_servers:
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recursive_dns_search_domains:
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- "{{ local_domain }}"
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grub_cmdline: "systemd.unified_cgroup_hierarchy=1 console=tty0 console=ttyS{{ grub.serial_console[cluster_hardware].console }},115200 plymouth.ignore-serial-consoles splash"
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grub_cmdline: "console=tty0 console=ttyS{{ grub.serial_console[cluster_hardware].console }},115200 plymouth.ignore-serial-consoles splash"
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grub_serial: "serial --unit={{ grub.serial_console[cluster_hardware].console }} --speed=115200"
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deploy_username: "deploy"
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@ -3,7 +3,11 @@
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GRUB_DEFAULT=0
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GRUB_TIMEOUT=5
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GRUB_DISTRIBUTOR="PVC Parallel Virtual Cluster - Debian"
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{% if ansible_distribution_major_version|int >= 11 %}
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GRUB_CMDLINE_LINUX="systemd.unified_cgroup_hierarchy=1 {{ grub_cmdline }}"
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{% else %}
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GRUB_CMDLINE_LINUX="{{ grub_cmdline }}"
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{% endif %}
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GRUB_TERMINAL_INPUT="console serial"
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GRUB_TERMINAL_OUTPUT="gfxterm serial"
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GRUB_SERIAL_COMMAND="{{ grub_serial }}"
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@ -59,7 +59,7 @@
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# Install CPU tuning
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- include: cputuning/main.yml
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tags: pvc-cputuning
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when: cpu_tuning is defined
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when: ansible_distribution_major_version|int >= 11 and cpu_tuning is defined
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- name: restart server on first install
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shell: 'sleep 3 && shutdown -r now "Ansible updates triggered"'
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