On Filestore you would flush the journal and then after mapping the new journal device use the command to create the journal. I'm sure there's something similar for bluestore, but I don't have any experience with it yet. Is there a new command similar to flush and create for the WAL and DB?
On Thu, Sep 7, 2017 at 12:03 PM Christoph Adomeit < christoph.adom...@gatworks.de> wrote: > To be mor eprecise, what I want to know is: > > > I have a lot of bluestore osds and now I want to add separate wal and db > on new nvme partitions. > > Would it be enough to just generate empty partitions with parted and make > symlinks on the osd partition like this: > > $ sudo ln -sf /dev/disk/by-partlabel/osd-device-0-db > /var/lib/ceph/osd/ceph-0/block.db > $ sudo ln -sf /dev/disk/by-partlabel/osd-device-0-wal > /var/lib/ceph/osd/ceph-0/block.wal > > Shall I use special partition ids or flags for db and wal ? And how big > should I make db and wal partitions ? > > > Thanks > > > Christoph > > > > On Thu, Sep 07, 2017 at 09:57:16AM +0200, Christoph Adomeit wrote: > > Hi there, > > > > is it possible to move WAL and DB Data for Existing bluestore OSDs to > separate partitions ? > > > > I am looking for a method to maybe take an OSD out, do some magic and > move some data to new SSD Devices and then take the OSD back in. > > > > Any Ideas ? > > > > Thanks > > Christoph > > > > > > _______________________________________________ > > ceph-users mailing list > > ceph-users@lists.ceph.com > > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > > -- > Es gibt keine Cloud, es gibt nur die Computer anderer Leute > Christoph Adomeit > GATWORKS GmbH > Reststrauch 191 > 41199 Moenchengladbach > Sitz: Moenchengladbach > Amtsgericht Moenchengladbach, HRB 6303 > Geschaeftsfuehrer: > Christoph Adomeit, Hans Wilhelm Terstappen > > christoph.adom...@gatworks.de Internetloesungen vom Feinsten > Fon. +49 2166 9149-32 <+49%202166%20914932> Fax. +49 > 2166 9149-10 <+49%202166%20914910> > _______________________________________________ > ceph-users mailing list > ceph-users@lists.ceph.com > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com >
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