On Mon, Dec 9, 2013 at 1:17 AM, Robert van Leeuwen <Robert.vanLeeuwen@xxxxxxxxxxxxx> wrote: >> your client writes the file to one osd, and before this osd acknowledges your write request, >> it ensure that it is copied to other osd(s). > > I think this behaviour depends on how you configure you POOL: > > osd pool default min size: > Description: > Sets the minimum number of written replicas for objects in the pool in order to acknowledge a write operation to the client. If minimum is not met, Ceph will not acknowledge the write to the client. This setting ensures a minimum number of replicas when operating in degraded mode. Oh dear; that description is worded a bit unfortunately. What it actually means is that a PG will not go to active in the first place if it does not have the "min size" number of copies. We should change that! -Greg Software Engineer #42 @ http://inktank.com | http://ceph.com _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
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