[PVE-User] periodic Node Crash/freeze

Klaus Darilion klaus.mailinglists at pernau.at
Sat Aug 25 19:32:17 CEST 2018


Maybe it is related to some Kernel Update
regards
Klaus

Am 23.08.2018 um 08:57 schrieb Ml Ml:
> Hello,
>
> i could need some hint/help since one cluster is letting me down since
> 29.07.2018 .
> Thats when one of my three nodes started to freeze and stop.
>
> In syslog the last entries are:
>
> Aug 21 02:33:00 node10 systemd[1]: Starting Proxmox VE replication runner...
> Aug 21 02:33:01 node10 systemd[1]: Started Proxmox VE replication runner.
> Aug 21 02:33:01 node10 CRON[1870491]: (root) CMD (/usr/bin/puppet
> agent -vt --color false --logdest /var/log/puppet/agent.log
> 1>/dev/null)
> ^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^
>
>
>    or:
>
> Aug 22 16:11:12 node08 pmxcfs[5227]: [dcdb] notice: cpg_send_message
> retried 1 times
> Aug 22 16:11:12 node08 pmxcfs[5227]: [status] notice: members: 1/5227, 2/5058
> Aug 22 16:11:12 node08 pmxcfs[5227]: [status] notice: starting data
> syncronisation
> ^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@
>
> I already posted it here:
>    https://forum.proxmox.com/threads/periodic-node-crash-freeze.46407/
>
> It happened at:
> 29.07.2018 node09 / pve 4.4
> 07.08.2018 node08 / pve 4.4 ( then i decided to upgrade)
> 21.08.2018 node10 / pve 5.2
> 22.08.2018 node08 / pve 5.2
>
> ...and i am getting nervous now since there are 60 important VMs on it.
> As you can see it happened across multiple nodes with diffrent PVE Versions.
>
> Memtest is okay.
>
> As far as i googled the "^@^@^@^@^@^" appear is syslog because i can
> not fully write the file to disk?
>
> Maybe something triggers some totem/watchdog stuff which then ends in
> a disaster?
>
> My Ideas from here:
> - disable corosync/totem and see if the problems stop
>
> Have you any ideas which could narrow my problem down?
>
>
> My Setup is a 3 Node Cluster (node08, node09, node10) with ceph.
>
> I have 4 other 3-NodeCluster running just fine.
>
> Thanks a lot.
>
> Mario
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