The setting is calculated per-OSD, and if any OSD hits the hard limit the whole cluster transitions to the full state and stops accepting writes until the situation is resolved. -Greg Software Engineer #42 @ http://inktank.com | http://ceph.com On Tue, Mar 4, 2014 at 9:58 AM, Barnes, Thomas J <thomas.j.barnes@xxxxxxxxx> wrote: > I have a question about how "full ratio" works. > > > > How does a single "full ratio" setting work when the cluster has pools > associated with different drives? > > > > For example, let's say I have a cluster comprised of fifty 10K RPM drives > and fifty 7200 RPM drives. I segregate the 10K drives and 7200RM drives > under separate buckets, create separate rulesets for each bucket, and create > separate pools for each bucket (using each buckets respective ruleset). > > > > What happens if one of the pools fills to capacity while the other pool > remains empty? > > How does the cluster respond when the OSDs in one pool become full while the > OSDs in other pools do not? > > Is full ratio calculated over the entire cluster or "by pool"? > > > > Thanks, > > > > -Tom > > > > > _______________________________________________ > ceph-users mailing list > ceph-users@xxxxxxxxxxxxxx > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
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