Hi Zhang, Thanks for the pointer. That page looks like the commands to set up the cache, not how to verify that it is working. I think I have been able to see objects (not PGs I guess) moving from the cache pool to the storage pool using 'rados df' . (I haven't run long enough to verify yet.) Thanks again! Chad. On Tuesday, January 27, 2015 03:47:53 you wrote: > Do you mean cache tiering? > You can refer to http://ceph.com/docs/master/rados/operations/cache-tiering/ > for detail command line. PGs won't migrate from pool to pool. > > > -----Original Message----- > From: ceph-users [mailto:ceph-users-bounces@xxxxxxxxxxxxxx] On Behalf Of > Chad William Seys Sent: Thursday, January 22, 2015 5:40 AM > To: ceph-users@xxxxxxxxxxxxxx > Subject: verifying tiered pool functioning > > Hello, > Could anyone provide a howto verify that a tiered pool is working > correctly? E.g. > Command to watch as PG migrate from one pool to another? (Or determine > which pool a PG is currently in.) Command to see how much data is in each > pool (global view of number of PGs I guess)? > > Thanks! > Chad. > _______________________________________________ > 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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