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Unable to relocate NFS Service

Posted on 2008-10-16
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Last Modified: 2013-12-16
My Cluster is configured in an Active/Passive configuration. When there is a problem with the active node and the attempt is made to failover, there is a failure to relocate the service. Please see below.

Is there a solution to this?




Oct 15 23:28:44 ttecprodnfs2 kernel: Out of Memory: Killed process 31568 (clurgmgrd).
Oct 15 23:28:44 ttecprodnfs2 clurgmgrd: [31568]: <info> Removing IPv4 address 10.33.2.37 from bond0.102
Oct 15 23:28:54 ttecprodnfs2 clurgmgrd: [31568]: <info> Removing export: *:/T24
Oct 15 23:28:55 ttecprodnfs2 last message repeated 10 times
Oct 15 23:28:55 ttecprodnfs2 clurgmgrd: [31568]: <info> unmounting /T24
Oct 15 23:28:56 ttecprodnfs2 clurgmgrd: [31568]: <notice> Forcefully unmounting /T24
Oct 15 23:28:56 ttecprodnfs2 clurgmgrd: [31568]: <warning> Dropping node-wide NFS locks
Oct 15 23:29:06 ttecprodnfs2 clurgmgrd: [31568]: <info> unmounting /T24
Oct 15 23:29:06 ttecprodnfs2 clurgmgrd: [31568]: <notice> Forcefully unmounting /T24
Oct 15 23:29:07 ttecprodnfs2 clurgmgrd: [31568]: <info> Sending reclaim notifications via ttecprodnfs2
Oct 15 23:29:07 ttecprodnfs2 rpc.statd[24171]: Version 1.0.6 Starting
Oct 15 23:29:07 ttecprodnfs2 rpc.statd[24171]: Flags: No-Daemon Notify-Only
Oct 15 23:29:07 ttecprodnfs2 rpc.statd[24171]: statd running as root. chown /tmp/statd-ttecprodnfs2.23993/sm to choose different use
r
Oct 15 23:29:10 ttecprodnfs2 rpc.statd[24171]: Caught signal 15, un-registering and exiting.
Oct 15 23:29:10 ttecprodnfs2 clurgmgrd: [31568]: <err> 'umount /T24' failed, error=0
Oct 15 23:29:10 ttecprodnfs2 clurgmgrd[31568]: <notice> stop on fs "T24" returned 2 (invalid argument(s))
Oct 15 23:29:10 ttecprodnfs2 clurgmgrd[31568]: <crit> #12: RG NFS failed to stop; intervention required
Oct 15 23:29:10 ttecprodnfs2 clurgmgrd[31568]: <notice> Service NFS is failed
Oct 15 23:29:32 ttecprodnfs2 clurgmgrd[31568]: <notice> Shutdown complete, exiting
Oct 16 00:10:19 ttecprodnfs2 sshd(pam_unix)[24196]: session opened for user thomasr by (uid=0)
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Question by:rbtt
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cjl7 earned 500 total points
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it woun't relocate because it can't unmount the filesystem. The "manual intervention is needed" line is there so that you know that you need to do manual stuff (eg. unmount the nfs-filesystem) before relocating.


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by:sjm_ee
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Check to see if any process on the cluster node is using the filesystem - check for open files or processes with a current directory within the filesystem using "lsof".
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by:cjl7
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NFS is still capable of totally hanging a system, to the point that a reboot is the only solution.

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by:rbtt
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A force unmount is being done to relocate the NFS service. Will this be sufficient to prevent the unmount from failing?

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by:cjl7
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In my experience, no not all the times.

But it will behave better.
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