On Mon, Mar 30, 2020 at 11:57 PM Eugen Block <eblock@xxxxxx> wrote: > For the standby daemon you have to be aware of this: > > > By default, if none of these settings are used, all MDS daemons > > which do not hold a rank will > > be used as 'standbys' for any rank. > > [...] > > When a daemon has entered the standby replay state, it will only be > > used as a standby for > > the rank that it is following. If another rank fails, this standby > > replay daemon will not be > > used as a replacement, even if no other standbys are available. > > Some of the mentioned settings are for example: > > mds_standby_for_rank > mds_standby_for_name > mds_standby_for_fscid > > The easiest way is to have one standby daemon per CephFS and let them > handle the failover. This has changed in Octopus. The above config variables are removed. Instead, follow this procedure.: https://docs.ceph.com/docs/octopus/cephfs/standby/#configuring-mds-file-system-affinity -- Patrick Donnelly, Ph.D. He / Him / His Senior 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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