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List: centos-virt
Subject: [CentOS-virt] can cron.daily crash my dom0s?
From: rupertt () gmail ! com (Heiko)
Date: 2008-08-18 9:07:31
Message-ID: 537dcd6b0808180207l53e234a6p6593ee551e620ca1 () mail ! gmail ! com
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Hello,
I have 2 servers which share 2 partitions with drbd, on each machine
runs one VM on the drbd device,
so that I have primary/secondary and secondary/primary drbd devices.
There are also some more XEN VM?s that only do aa mysql replication
and one is standalone.
In the last 4 weeks I had 2 incidents where both machines did a sudden
reboot, first one machine and 2 minutes later the other one.
I cant find anything in the logfiles, only that a few seconds before
the secondary drbd device got a timeout
(Aug 18 04:02:14 xen-A1 kernel: drbd1: PingAck did not arrive in
time.) the cron.daily started:
Aug 18 04:02:01 xen-B1 crond[25033]: (root) CMD (run-parts /etc/cron.daily)
Aug 18 04:02:01 xen-B1 anacron[25037]: Updated timestamp for job
`cron.daily' to 2008-08-18
Aug 18 04:06:06 xen-B1 crond[2963]: (CRON) STARTUP (V5.0)
the last line seems to be the reboot.
here the content of my cron.daily folder.
[root@xen-B1.blab:/etc/cron.daily]# ls
0anacron 0logwatch cups logrotate makewhatis.cron mlocate.cron
prelink rpm tmpwatch
I had also heartbeat running on the machines, after the last crash I
thougt it was heartbeat that rebooted the machines, so I disabled it,
but now I see it isnt heartbeat that causes these reboots.
I use centos 5.1 with no selfcompiled packages.
Why are my machines doing this, and how to fix this?
greetings and thanks
Rupert
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