Unmounting a file system that is mounted on a subdirectory of a gfs2 filesystem will fail in RHEL 6 Resilient Storage clusters
Issue
- Mounting a filesystem as a submount on a
GFS2filesystem will cause umount to fail - I have a file system mounted on a subdirectory of GFS2, and
umountfails with "not found", but seems to leave the device mounted.
# mount | grep gfs2
/dev/dm-2 /mnt/a gfs2 rw,seclabel,relatime,hostdata=jid=0 0 0
/dev/dm-3 /mnt/a/b gfs2 rw,seclabel,relatime,hostdata=jid=0 0 0
# umount /mnt/a/b
umount: /mnt/a/b: not found
# echo $?
1
Environment
- Red Hat Enterprise Linux (RHEL) 6 with the Resilient Storage Add On
- A file system of any type mounted on a subdirectory of a Global File System 2 (
gfs2) mountpoint kernelreleases starting with2.6.32-431.20.1.el6up to (but not including)2.6.32-504.1.3.el6
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