> On 3 dec. 2013, at 10:49, "Indra Pramana" <indra@xxxxxxxx> wrote: > > Hi Brian and Robert, > > Thanks for your replies! Appreciate. > > Can I safely say that there will be no downtime to the cluster when I increase the pg_num and pgp_num values? There is no actual downtime. What I did see is that IOs will crawl to a halt during pg creation ( 1000 took a few minutes). Also expect reduced performance during the rebalance of the data. The OSDs will be quite busy during that time. I would certainly pick a time with low traffic to do this. Cheers, Robert van Leeuwen _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com