When I disconnect node from cluster, HA kicks in, then the disconnected node self reboots

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logui

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Feb 22, 2024
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I have a 3 node cluster, I have zfs + replication of 2 critical VMs (running on node 3) to all the other nodes (node 1 and 2), also both VMs are included in HA.

They are running on node 3, I intentionally disconnect node 3 from the network (pull the ethernet cable) to simulate a node failure, after 1-2 minutes, node 3 will self reboot or crash, I am not sure. Then, 3 minutes from the initial disconnect the 2 VMs will be up and running on a different node (N1 in this case as configured in HA).

From HA perspective, everything worked as planned and expected, my question is: is the node 3 reboot (or crash) part of the HA process or is it a bug in Proxmox and it's crashing? Thanks
 
It's expected behavior by ha as node cannot reach the other members anymore and try to reconnect by reboot, so all is well.
 
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waltar said:
It's expected behavior by ha as node cannot reach the other members anymore and try to reconnect by reboot, so all is well.
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Great, thanks for confirming my theory, because it was happening consistently all the time, if it's a planned reboot, means it is a safe shutdown and no corruption. I didn't know that an isolated node will proceed that way
 
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