Le 29/09/2015 07:29, Jiri Kanicky a écrit : > Hi, > > Is it possible to create journal in directory as explained here: > http://wiki.skytech.dk/index.php/Ceph_-_howto,_rbd,_lvm,_cluster#Add.2Fmove_journal_in_running_cluster Yes, the general idea (stop, flush, move, update ceph.conf, mkjournal, start) is valid for moving your journal wherever you want. That said it probably won't perform as well on a filesystem (LVM as lower overhead than a filesystem). > > 1. Create BTRFS over /dev/sda6 (assuming this is SSD partition alocate > for journal) and mount it to /srv/ceph/journal BTRFS is probably the worst idea for hosting journals. If you must use BTRFS, you'll have to make sure that the journals are created NoCoW before the first byte is ever written to them. > 2. Add OSD: ceph-deploy osd create --fs-type btrfs > ceph1:sdb:/srv/ceph/journal/osd$id/journal I've no experience with ceph-deploy... Best regards, Lionel _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
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