On 5/1/23 17:35, Frank Schilder wrote:
Hi all,
I think we might be hitting a known problem
(https://tracker.ceph.com/issues/57244). I don't want to fail the mds yet,
because we have troubles with older kclients that miss the mds restart and hold
on to cache entries referring to the killed instance, leading to hanging jobs
on our HPC cluster.
Will this cause any issue in your case ?
I have seen this issue before and there was a process in D-state that
dead-locked itself. Usually, killing this process succeeded and resolved the
issue. However, this time I can't find such a process.
BTW, what's the D-state process ? A ceph one ?
Thanks
The tracker mentions that one can delete the file/folder. I have the inode
number, but really don't want to start a find on a 1.5PB file system. Is there
a better way to find what path is causing the issue (ask the MDS directly, look
at a cache dump, or similar)? Is there an alternative to deletion or MDS fail?
Thanks and best regards,
=================
Frank Schilder
AIT Risø Campus
Bygning 109, rum S14
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