Hi Matthew, thanks for your reply and advise, I really appreciate it. So you say, that there will be no problem when after the rebalancing I restart the stopped OSDs? I mean the have still the data on them. (Sorry, I just don't like to mess somthing up) Best Dietmar On 12/13/18 5:11 PM, Matthew Vernon wrote: > Hi, > > On 13/12/2018 15:48, Dietmar Rieder wrote: > >> 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). > > Ah, hardware... > >> I have some simple questions, what are the best steps to take now before >> an after replacement of the controller? > > I would stop all the OSDs on the affected node and let the cluster > rebalance. Once you've replaced the disk controller, start them up again > and Ceph will rebalance back again. > > Regards, > > Matthew > > -- _________________________________________ 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 Phone: +43 512 9003 71402 Fax: +43 512 9003 73100 Email: dietmar.rieder@xxxxxxxxxxx Web: http://www.icbi.at _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
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