[PVE-User] Servers spontaneously Rebooting

[Thomas Lamprecht]

On 11/30/2015 03:44 AM, Lindsay Mathieson wrote:
> In the past two weeks we've had several instance of servers on our 3 
> node cluster doing a hard reboot, this is since upgrading to PE 4.0
>
> Its been most curious. Once it was all three servers rebooting 
> simultaneously. Twice it has been a single server (different ones) 
> rebooting.
>
>
> TBH, I don't see how it could an issue with Proxmox - all three 
> rebooting was odd, but it is cluster software ...
>
> Any suggestions as to what logs I should look at after a hard reset?

Do you have HA resources configured? If yes do you have quorum problems 
(with duration > 50-60 seconds)?

Also check the logs for watchdog entries.

And naturally all other things that happened around the reboot :)

Regards,
Thomas