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Status Submitted
Workspace Storage Scale (formerly known as GPFS)
Created by Guest
Created on Feb 6, 2026

RELATED IDEAS

Identify nodes having open files which blocks quiesce file system/filesets

We had the situation that the unlink fileset command failed:

[root@xstm-d07-01 samples]# mmunlinkfileset exa_project1 training2601 -f
Unable to quiesce fileset at all nodes.
Fileset training2601 has open files. Specify -f to force unlink.
mmunlinkfileset: Command failed. Examine previous error messages to determine cause.

But we were not able to identify in this situation, which of the 2800 client node was the root cause (or may be multiple of them).

  • no waiters in the storage cluster
  • no waiters on the client nodes

Se we were forced to create traces on the storage cluster and asked the support to check them. They told us the node which was the root cause. We checked it, rebooted this node and the situation was solved.

So what we need in this kind of situations is to have a tool at hand (e.g. mmdiag or mmfsadm dump) which would give us some information of open file handle of target file system/fileset.

Or the mmunlink command (and every other command which trigger a quiesce) will report the node(s) which block the operation.

Idea priority Medium

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