"nfs4_reclaim_open_state: Lock reclaim failed!" messages periodically appear in /var/log/messages on Red Hat Enterprise Linux 6 running IBM WebSphere MQ Multi-Instance Queue Manager
Issue
- The system was recently updated to kernel-2.6.32-358.6.1.el6 or above and the following errors are seen repeatedly in the
/var/log/messagesfile:
May 20 04:26:50 hostname kernel: nfs4_reclaim_open_state: Lock reclaim failed!
May 20 15:59:55 hostname kernel: nfs4_reclaim_open_state: Lock reclaim failed!
---
Jul 10 01:29:49 hostname kernel: NFS: v4 server returned a bad sequence-id error on an unconfirmed sequence ffff880c6a80a020!
Jul 10 01:29:49 hostname kernel: nfs4_reclaim_locks: unhandled error -10026. Zeroing state
Jul 10 01:29:49 hostname kernel: nfs4_reclaim_locks: unhandled error -10026. Zeroing state
Environment
- Red Hat Enterprise Linux 6.4
- kernel ≥ 2.6.32-358.6.1.el6.x86_64 and less than 2.6.32-358.20.1.el6
- NFS Client
- IBM Websphere MQ Multi-Instance Queue Managers High Availability Environment
- NFSv4
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