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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
ID: 22737929
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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Expert Comment

by:sjm_ee
ID: 22738863
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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Expert Comment

by:cjl7
ID: 22739187
NFS is still capable of totally hanging a system, to the point that a reboot is the only solution.

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Author Comment

by:rbtt
ID: 22739847
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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Expert Comment

by:cjl7
ID: 22740670
In my experience, no not all the times.

But it will behave better.
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