[LU-4639] HSM requests not delivered

• Type: Bug
• Resolution: Fixed
• Priority: Blocker
• Fix Version/s: Lustre 2.6.0, Lustre 2.5.1
• Affects Version/s: Lustre 2.5.0
• Labels: MB
• Severity: 3
• Project: HSM
• Assignee: James Nunez (Inactive)
• Reporter: Henri Doreau (Inactive)

Description

Issuing too many HSM requests (120 or more, it seems) leads to lnet errors. The corresponding requests, as well as subsequent ones, aren't delivered to the copytool.

LNetError: 7307:0:(lib-ptl.c:190:lnet_try_match_md()) Matching packet from 12345-0@lo, match 1460297122524484 length 6776 too big: 7600 left, 6144 allowed

Can be easily reproduced with lfs hsm_archive * against a hundred-ish files.