[Pacemaker] Filesystem resource killing innocent processes on stop

[Dejan Muhamedagic]

Hi,

On Mon, May 18, 2015 at 12:20:38PM +0200, Nikola Ciprich wrote:
> Hi,
> 
> I noticed very annoying bug (or so I think), that resource-agents-3.9.5
> in RHEL / centos 6 Filesystem OCF resource seems to be killing completely
> unrelated processes on shutdown although they're not using anything on mounted filesystem...
> 
> unfortunately, one of processes very often killed is sshd :-(

The list below seems too extensive.  Which version of
resource-agents do you run?

$ grep 'Build version:' /usr/lib/ocf/lib/heartbeat/ocf-shellfuncs

> here's example of the log:
> 
> Filesystem(virt-fs)[4803]:      2015/05/17_21:59:48 INFO: sending signal TERM to: root      3606     1  0 Feb12 ?        S<s    0:01 /sbin/udevd -d
> Filesystem(virt-fs)[4803]:      2015/05/17_21:59:48 INFO: sending signal TERM to: root      4249     1  0 Feb12 ttyS2    Ss+    0:00 agetty ttyS2 115200 vt100
> Filesystem(virt-fs)[4803]:      2015/05/17_21:59:48 INFO: sending signal TERM to: root      4271  4395  0 21:58 ?        Ss     0:00 sshd: root at pts/12
> Filesystem(virt-fs)[4803]:      2015/05/17_21:59:48 INFO: sending signal TERM to: root      4273     1  0 21:58 ?        Rs     0:00 [bash]
> Filesystem(virt-fs)[4803]:      2015/05/17_21:59:48 INFO: sending signal TERM to: root      4395     1  0 Feb24 ?        Ss     0:03 /usr/sbin/sshd
> Filesystem(virt-fs)[4803]:      2015/05/17_21:59:48 INFO: sending signal TERM to: root      4677     1  0 Feb12 ?        Ss     0:00 /sbin/portreserve
> Filesystem(virt-fs)[4803]:      2015/05/17_21:59:48 INFO: sending signal TERM to: root      4690     1  0 Feb12 ?        S      0:00 supervising syslog-ng
> Filesystem(virt-fs)[4803]:      2015/05/17_21:59:48 INFO: sending signal TERM to: root      4691     1  0 Feb12 ?        Ss     0:46 syslog-ng -p /var/run/syslog-ng.pid
> Filesystem(virt-fs)[4803]:      2015/05/17_21:59:48 INFO: sending signal TERM to: rpc       4746     1  0 Feb12 ?        Ss     0:05 rpcbind
> Filesystem(virt-fs)[4803]:      2015/05/17_21:59:48 INFO: sending signal TERM to: rpcuser   4764     1  0 Feb12 ?        Ss     0:00 rpc.statd
> Filesystem(virt-fs)[4803]:      2015/05/17_21:59:48 INFO: sending signal TERM to: root      4797     1  0 Feb12 ?        Ss     0:00 rpc.idmapd
> Filesystem(virt-fs)[4803]:      2015/05/17_21:59:48 INFO: sending signal TERM to: root      4803 12028  0 21:59 ?        S      0:00 /bin/sh /usr/lib/ocf/resource.d/heartbeat/Filesystem stop
> 
> while unmounting /home/cluster/virt directory.. what is quite curious, is, that last killed process seems to be
> Filesystem resource itself..

Hmm, that's quite strange. That implies that the RA script itself
had /home/cluster/virt as its WD.

> before I dig deeper into this, did anyone else noticed this problem? Is this some known
> (and possibly already issue)?

Never heard of this.

Thanks,

Dejan

> thanks a lot in advance
> 
> nik
> 
> 
> -- 
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> Ing. Nikola CIPRICH
> LinuxBox.cz, s.r.o.
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