[LU-6664] (ost_handler.c:1765:ost_blocking_ast()) Error -2 syncing data on lock cancel

• Type: Bug
• Resolution: Fixed
• Priority: Minor
• Affects Version/s: Lustre 2.5.3
• Labels: llnl
• Severity: 3
• Assignee: Zhenyu Xu
• Reporter: Christopher Morrone (Inactive)

Description

On all of our filesystems, the following error message is extremely common:

LustreError: 8746:0:(ost_handler.c:1776:ost_blocking_ast()) Error -2 syncing data on lock cancel

There is nothing else in the logs that gives any hint as to why this message is appearing.

Our filesystems all use osd-zfs, and we are currently running Lustre 2.5.3-5chaos (see github.com/chaos/lustre).

If this is a symptom of a bug, then please fix it. If this is not a symptom of a bug, then please stop scaring our system administrators with this message.

Issue Links

• is duplicated by: LU-7007 (ost_handler.c:1779:ost_blocking_ast()) Error -2 syncing data on lock cancel
• is related to: LU-7308 LustreError: 16956:0:(ost_handler.c:1764:ost_blocking_ast()) Error -2 syncing data on lock cancel
• is related to: LU-5805 tgt_recov blocked and "waking for gap in transno"