[LU-10098] Lustre resource agent can mis-identify resource mounts

• Type: Bug
• Resolution: Fixed
• Priority: Critical
• Fix Version/s: Lustre 2.11.0, Lustre 2.10.3
• Affects Version/s: Lustre 2.10.0, Lustre 2.10.1
• Labels: ha pacemaker
• Severity: 3
• Assignee: Nathaniel Clark
• Reporter: Nathaniel Clark

Description

In the Lustre resource agent lustre_is_mounted() greps the mountpoint from /proc/mounts but if that mountpoint matches a substring of a different mountpoint
e.g. /mnt/ost1 and /mnt/ost11.
It will register as already mounted and fail to start.