2018-05-22 15:51 GMT+02:00 Wido den Hollander <[email protected]>: > > > On 05/22/2018 03:38 PM, George Shuklin wrote: > > Good news, it's not an emergency, just a curiosity. > > > > Suppose I lost all monitors in a ceph cluster in my laboratory. I have > > all OSDs intact. Is it possible to recover something from Ceph? > > Yes, there is. Using ceph-objectstore-tool you are able to rebuild the > MON database. > > BUT, this isn't something you would really want to do as you loose your > cephx keys and such and getting them all back will be a total nightmare. > > My advice, make sure you have reliable hardware for your Monitors. Run > them on DC-grade SSDs and you'll be fine. > > And be sure to have enough space available on them to sustain a long period of PGS not being active+clean.
Kind regards, Caspar > Wido > > > > > _______________________________________________ > > ceph-users mailing list > > [email protected] > > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > _______________________________________________ > ceph-users mailing list > [email protected] > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com >
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