[LU-11857] repeated "could not delete orphan [0x200060151:0x38a8:0x0]: rc = -2" messages

• Type: Bug
• Resolution: Duplicate
• Priority: Minor
• Severity: 3
• Assignee: Alex Zhuravlev
• Reporter: Jeff Johnson (Inactive)

Description

After upgrade from 2.9 to 2.12 the MDS syslog gets beaucoup error messages lfs-MDD0000 cannot delete orphan messages. On the active MDS the orph_lfs-MDD00 process is pegged at 100%

[Sat Jan 12 23:21:18 2019] LustreError: 14125:0:(mdd_orphans.c:327:mdd_orphan_destroy()) lfs-MDD0000: could not delete orphan [0x200060151:0x38a8:0x0]: rc = -2
[Sat Jan 12 23:21:18 2019] LustreError: 14125:0:(mdd_orphans.c:327:mdd_orphan_destroy()) Skipped 8067628 previous similar messages
[Sat Jan 12 23:31:18 2019] LustreError: 14125:0:(mdd_orphans.c:327:mdd_orphan_destroy()) lfs-MDD0000: could not delete orphan [0x200060151:0x38a8:0x0]: rc = -2
[Sat Jan 12 23:31:18 2019] LustreError: 14125:0:(mdd_orphans.c:327:mdd_orphan_destroy()) Skipped 7958773 previous similar messages
[Sat Jan 12 23:41:18 2019] LustreError: 14125:0:(mdd_orphans.c:327:mdd_orphan_destroy()) lfs-MDD0000: could not delete orphan [0x200060151:0x38a8:0x0]: rc = -2

Issue Links

• is related to: LU-11418 hung threads on MDT and MDT won't umount