[Linux-cluster] umount failing...

Rajveer Singh torajveersingh at gmail.com
Mon Jun 13 10:44:12 UTC 2011

On Thu, Jun 9, 2011 at 8:22 PM, Corey Kovacs <corey.kovacs at gmail.com> wrote:

> Folks,
> I have a 5 node cluster serving out several NFS exports, one of which is
> /home.
> All of the nfs services can be moved from node to node without problem
> except for the one providing /home.
> The logs on that node indicate the umount is failing and then the
> service is disabled (self-fence is not enabled).
> Even after the service is put into a failed state and then disabled
> manually, umount fails...
> I had noticed recently while playing with conga that creating a
> service for /home on a test cluster a warning was issued about
> reserved words and as I recall (i could be wrong) /home was among the
> illegal parameters for the mount point.
> I have turned everything off that I could think of which might be
> "holding" the mount and have run the various iterations of lsof, find
> etc. nothing shows up as having anything being actively used.
> This particular file system is 1TB.
> Is there something wrong with using /home as an export?
> Some specifics.
> RHEL5.6 (updated as of last week)
> HA-LVM protecting ext3 using the newer "preferred method" with clvmd
> Ext3 for exported file systems
> 5 nodes.
> Any ideas would be greatly appreciated.
> -C
> Can you share your log file and cluster.conf file
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