There is no simultaneous support in ceph-deploy as this is something that is not needed for users setting up a cluster to try out ceph (the main objective of ceph-deploy) However, there have been users that used scripts that can call ceph-deploy in parallel so it might be possible to do so. For OSDs specifically, be warned about a possible race condition, you might find a bit of info in this ticket: http://tracker.ceph.com/issues/3309 On Mon, May 26, 2014 at 2:14 AM, Cao, Buddy <buddy.cao at intel.com> wrote: > Hi, does ceph-deploy support to deploy osds simultaneously in a large scale cluster? Looks mkcephfs does not support simultaneous osd deployment. > > If there are many hosts with very large number and size of osds/devices, how do I improve the performance to deploy the whole cluster at once? > > Wei Cao (Buddy) > > _______________________________________________ > ceph-users mailing list > ceph-users at lists.ceph.com > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
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