Automatic node evacuation

[Alessandro 123]

Let's assume a cluster with shared storage
If i have to reboot a node, PVE automatically migrate all running VMs when issuing the reboot/shutdown command, like xenserver does, or i have to wait the timeout from cluster manager?

 

[robhost]

It waits 60s afaik, you could use "migrate all VMs and containers" from the panel before rebooting to avoid that.

 

[Alessandro 123]

i know that option, but having the automatic evacuation is nice, so that in case of shutdown or reboot you don't have to wait 60s
It should be trivial to implement, as reboot/poweroff script via systemd

As proof of concept, with a one-liner taken from https://forum.proxmox.com/threads/bulk-migrate-via-command-line.25775/:

[Unit]
Description=Evacuate node on shutdown/reboot

[Service]
Type=oneshot
RemainAfterExit=yes
ExecStart=/bin/true
ExecStop=/bin/sh -c 'for vm in $(qm list | awk "{print $1}" | grep -Eo "[0-9]{1,3}"); do qm migrate $vm node2 --online; done'

[Install]
WantedBy=multi-user.target

 

[hacman]

Seconded. This would be very useful.