David - thanks again. Your input the last week has been invaluable. On Wed, Aug 22, 2018 at 2:41 PM David Turner <drakonst...@gmail.com> wrote:
> Yes, whatever you set your DB LV to at the time you create the Bluestore > OSD, it will use all of that space for the db/wal. If you increase the > size after the initial creation, the space will not be used for the the > DB. You cannot resize it. > > On Wed, Aug 22, 2018 at 3:39 PM Robert Stanford <rstanford8...@gmail.com> > wrote: > >> >> In my case I am using the same values for lvcreate and in the ceph.conf >> (bluestore* settings). Since my lvs are the size I want the db to be, and >> since I'm told that the wal will live in the same place automatically, it >> sounds like setting my lv to be xGB ensures Ceph will use all of this for >> db/wal automatically? >> >> Thanks >> R >> >> On Wed, Aug 22, 2018 at 2:09 PM Alfredo Deza <ad...@redhat.com> wrote: >> >>> On Wed, Aug 22, 2018 at 2:48 PM, David Turner <drakonst...@gmail.com> >>> wrote: >>> > The config settings for DB and WAL size don't do anything. For journal >>> > sizes they would be used for creating your journal partition with >>> ceph-disk, >>> > but ceph-volume does not use them for creating bluestore OSDs. You >>> need to >>> > create the partitions for the DB and WAL yourself and supply those >>> > partitions to the ceph-volume command. I have heard that they're >>> working on >>> > this for future releases, but currently those settings don't do >>> anything. >>> >>> This is accurate, ceph-volume as of the latest release doesn't do any >>> with them because it doesn't create these for the user. >>> >>> We are getting close on getting that functionality rolled out, but not >>> ready unless you are using master (please don't use master :)) >>> >>> >>> > >>> > On Wed, Aug 22, 2018 at 1:34 PM Robert Stanford < >>> rstanford8...@gmail.com> >>> > wrote: >>> >> >>> >> >>> >> I have created new OSDs for Ceph Luminous. In my Ceph.conf I have >>> >> specified that the db size be 10GB, and the wal size be 1GB. However >>> when I >>> >> type ceph daemon osd.0 perf dump I get: bluestore_allocated": 5963776 >>> >> >>> >> I think this means that the bluestore db is using the default, and >>> not >>> >> the value of bluestore block db size in the ceph.conf. Why is this? >>> >> >>> >> Thanks >>> >> R >>> >> >>> >> _______________________________________________ >>> >> ceph-users mailing list >>> >> ceph-users@lists.ceph.com >>> >> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com >>> > >>> > >>> > _______________________________________________ >>> > ceph-users mailing list >>> > ceph-users@lists.ceph.com >>> > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com >>> > >>> >>
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