On Thu, Dec 13, 2018 at 10:48 AM Dietmar Rieder <dietmar.rie...@i-med.ac.at> wrote: > > Hi Cephers, > > one of our OSD nodes is experiencing a Disk controller problem/failure > (frequent resetting), so the OSDs on this controller are flapping > (up/down in/out). > > I will hopefully get the replacement part soon. > > I have some simple questions, what are the best steps to take now before > an after replacement of the controller? > > - marking down and shutting down all osds on that node? > - waiting for rebalance is finished > - replace the controller > - just restart the osds? Or redeploy them, since they still hold data? > > We are running: > > ceph version 12.2.7 (3ec878d1e53e1aeb47a9f619c49d9e7c0aa384d5) luminous > (stable) > CentOS 7.5 > > Sorry for my naive questions.
I usually do ceph osd set noout first to prevent any recoveries Then replace the hardware and make sure all OSDs come back online Then ceph osd unset noout Best regards, Alex > > Thanks for any help > Dietmar > > -- > _________________________________________ > D i e t m a r R i e d e r, Mag.Dr. > Innsbruck Medical University > Biocenter - Division for Bioinformatics > Innrain 80, 6020 Innsbruck > Email: dietmar.rie...@i-med.ac.at > Web: http://www.icbi.at > > > _______________________________________________ > ceph-users mailing list > ceph-users@lists.ceph.com > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com _______________________________________________ ceph-users mailing list ceph-users@lists.ceph.com http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
