> Op 16 jul. 2014 om 16:58 heeft "Riccardo Murri" <riccardo.murri at uzh.ch> het volgende geschreven: > > Hello, > > I am new to Ceph; the group I'm working in is currently evaluating it > for our new large-scale storage. > > Is there any recommendation for the OSD journals? E.g., does it make > sense to keep them on SSDs? Yes, that is what is usually done. > Would it make sense to host the journal > on a RAID-1 array for added safety? No, since both SSDs will wear out at the same pace. Better to spread out the OSDs over two journals. > (IOW: what happens if the journal > device fails and the journal is lost?) That OSD has to be considered as lost then. Let recovery take over and replace the OSD. Wido > Thanks for any explanation and suggestion! > > Riccardo > _______________________________________________ > ceph-users mailing list > ceph-users at lists.ceph.com > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
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