John,
Thanks! Rhian Resnick Associate Director Research Computing Enterprise Systems Office of Information Technology Florida Atlantic University 777 Glades Road, CM22, Rm 173B Boca Raton, FL 33431 Phone 561.297.2647 Fax 561.297.0222 [image] <https://hpc.fau.edu/wp-content/uploads/2015/01/image.jpg> ________________________________ From: John Spray <jsp...@redhat.com> Sent: Tuesday, October 30, 2018 5:26 AM To: Rhian Resnick Cc: ceph-users@lists.ceph.com Subject: Re: [ceph-users] Reducing Max_mds On Tue, Oct 30, 2018 at 6:36 AM Rhian Resnick <rresn...@fau.edu> wrote: > > Evening, > > > I am looking to decrease our max mds servers as we had a server failure and > need to remove a node. > > > When we attempt to decrease the number of mds servers from 5 to 4 (or any > other number) they never transition to standby. They just stay active. > > > ceph fs set cephfs max_mds X After you decrease max_mds, use "ceph mds deactivate <rank>" to bring the actual number of active daemons in line with your new intended maximum. >From Ceph 13.x that happens automatically, but since you're on 12.x it needs doing by hand. John > > Nothing looks useful in the mds or mon logs and I was wondering what you > recommend looking at? > > > We are on 12.2.9 running Centos. > > > _______________________________________________ > ceph-users mailing list > ceph-users@lists.ceph.com > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
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