[LU-19940] sanity 300ug incorrect mdt hash send over wire

• Type: Bug
• Resolution: Fixed
• Priority: Medium
• Fix Version/s: Lustre 2.18.0
• Severity: 3
• Assignee: Alexey Lyashkov
• Reporter: Alexey Lyashkov

Description

[239704.000006] Lustre: DEBUG MARKER: == sanity test 300ug: migrate overstriped dirs =========== 12:09:00 (1772442540)
[239706.223267] LustreError: 224916:0:(mdt_xattr.c:419:mdt_dir_layout_update()) lustre-MDT0000: [0x200000404:0x3:0x0] migrate mdt hash mismatch 83000003 != 3000044
[239706.617796] Lustre: DEBUG MARKER: sanity test_300ug: @@@@@@ FAIL: (2)stripe_count is 22, expect 20
[239716.923004] Lustre: DEBUG MARKER: == sanity test complete, duration 112 sec ================ 12:09:13 (1772442553)

this fail caused a reusing an lsa_pattern field for a mdt hash usage, but overstripe mark failed a check. lets use a separate field for the mdt hash