I had the same issue a few days ago. I was increasing the pg_num of one pool from 512 to 1024 and all the VMs in that pool stopped. I came to the conclusion that doubling the pg_num caused such a high load in ceph that the VMs were blocked. The next time I will test with small increments.
On 12:38 Sat 14 Mar , Florent B wrote: > Hi all, > > I have a Giant cluster in production. > > Today one of my RBD pools had the "too few pgs" warning. So I changed > pg_num & pgp_num. > > And at this moment, some of the VM stored on this pool were stopped (on > some hosts, not all, it depends, no logic) > > All was running fine for months... > > Have you ever seen this ? > What could have caused this ? > > Thank you. > > > _______________________________________________ > ceph-users mailing list > ceph-users@lists.ceph.com > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com _______________________________________________ ceph-users mailing list ceph-users@lists.ceph.com http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
