On Mon, Aug 31, 2020 at 5:02 AM Stefan Kooman <stefan@xxxxxx> wrote: > > Hi list, > > We had some stuck ops on our MDS. In order to figure out why, we looked > up the documention. The first thing it mentions is the following: > > ceph daemon mds.<name> dump cache /tmp/dump.txt > > Our MDS had 170 GB in cache at that moment. > > Turns out that is a sure way to get your active MDS replaced by a standby. > > Is this supposed to work on MDS with large cache size? If not, than a > big warning sign to prohibit running this on MDSes with large caches > would be appropriate. > > Gr. Stefan > > P.s. I think our only option was to get the active restarted at that > point, but still. Yes, there should be a note in the docs about that. It seems a new PR is up to respond to this issue: https://github.com/ceph/ceph/pull/36823 -- Patrick Donnelly, Ph.D. He / Him / His Principal Software Engineer Red Hat Sunnyvale, CA GPG: 19F28A586F808C2402351B93C3301A3E258DD79D _______________________________________________ ceph-users mailing list -- ceph-users@xxxxxxx To unsubscribe send an email to ceph-users-leave@xxxxxxx
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