[LU-16008] recovery-small/150 should not use enforced umount

• Type: Bug
• Resolution: Fixed
• Priority: Minor
• Fix Version/s: Lustre 2.16.0
• Severity: 3
• Assignee: Alex Zhuravlev
• Reporter: Alex Zhuravlev

Description

recovery-small/150 should not use enforced umount as such an umount disconnects the clients and later they find themselves evicted, which in turn may result in EIO like this:

PASS 150 (9s)
== recovery-small test complete, duration 4928 sec ======= 09:55:16 (1657706116)
rm: cannot remove '/mnt/lustre/d110h.recovery-small/source_dir': Is a directory
 recovery-small : @@@@@@ FAIL: remove sub-test dirs failed 
  Trace dump:
  = ./../tests/test-framework.sh:6522:error()
  = ./../tests/test-framework.sh:6006:check_and_cleanup_lustre()
  = recovery-small.sh:3306:main()