[LU-17152] parallel-scale-nfsv4 FAIL: failed to cleanup nfs

• Type: Bug
• Resolution: Fixed
• Priority: Minor
• Fix Version/s: Lustre 2.16.0, Lustre 2.15.6
• Affects Version/s: Lustre 2.16.0
• Severity: 3
• Assignee: Jian Yu
• Reporter: Jian Yu

Description

== parallel-scale-nfsv4 test complete, duration 1298 sec ============================================= 04:17:42 (1694751462)
Unmounting NFS clients
CMD: trevis-32vm5.trevis.whamcloud.com,trevis-32vm6 umount -v -f /mnt/lustre
trevis-32vm5: umount.nfs4: /mnt/lustre: device is busy
pdsh@trevis-32vm5: trevis-32vm5: ssh exited with exit code 16
/mnt/lustre: nfs4 mount point detected
/mnt/lustre: umount failed
/mnt/lustre: nfs4 mount point detected
/mnt/lustre: umounted
parallel-scale-nfsv4 : @@@@@@ FAIL: failed to cleanup nfs
Trace dump:
= /usr/lib64/lustre/tests/test-framework.sh:6548:error_noexit()
= /usr/lib64/lustre/tests/parallel-scale-nfs.sh:52:cleanup()
= /usr/lib64/lustre/tests/parallel-scale-nfs.sh:44:cleanup_exit()
= /usr/lib64/lustre/tests/test-framework.sh:1:exit_status()
= /usr/lib64/lustre/tests/parallel-scale-nfs.sh:141:main()
CMD: trevis-32vm8 grep -c /mnt/lustre' ' /proc/mounts
Stopping client trevis-32vm8 /mnt/lustre (opts:-f)
CMD: trevis-32vm8 lsof -t /mnt/lustre
pdsh@trevis-32vm5: trevis-32vm8: ssh exited with exit code 1
CMD: trevis-32vm8 umount -f /mnt/lustre 2>&1
pdsh@trevis-32vm5: trevis-32vm8: ssh exited with exit code 32
/mnt/lustre is still busy, wait one second
CMD: trevis-32vm8 umount -f /mnt/lustre
trevis-32vm8: umount: /mnt/lustre: target is busy.
pdsh@trevis-32vm5: trevis-32vm8: ssh exited with exit code 32
parallel-scale-nfsv4 : @@@@@@ FAIL: failed to umount lustre on trevis-32vm8

Issue Links

• is related to: LU-17154 parallel-scale-nfsv4: hangs on umount after racer_on_nfs