Hi
I've set up a Ceph Cluster with and RBD storage device for use in a
pacemaker/corosync cluster. When attempting to move the resources from
one node to the other, the filesystem on the RBD will not unmount. lsof
and fuser show no files in use on the device. I thought this may be an
issue with an NFS lock, so I moved the ceph OSD and monitor off the
machine where the filesystem is mounted to a virtual machine, however
I'm still unable to unmount the filesystem.
Is this a known issue with RBD filesystem mounts? Is there a system
change I need to make in order to get the filesystem to reliably unmount?
Thanks in advance,
--
*Joshua Collins*
Systems Engineer
VRT Systems
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