We're running a Ceph mimic (13.2.4) cluster which is predominantly used
for CephFS. We have recently switched to using multiple active MDSes to
cope with load on the cluster, but are experiencing problems with large
numbers of blocked requests when research staff run large experiments.
The erro
We have run in to what looks like bug 36094
(https://tracker.ceph.com/issues/36094) on our 13.2.6 cluster and
unfortunately now one of our ranks (Rank 1) won't start - it comes up
for a few seconds before the assigned MDS crashes again with the below
log entries. It would appear that OpenFileTa
