See this thread: http://lists.ceph.com/pipermail/ceph-large-ceph.com/2018-April/000106.html http://lists.ceph.com/pipermail/ceph-large-ceph.com/2018-June/000113.html (Wido -- should we kill the ceph-large list??) -- dan On Wed, Jun 13, 2018 at 12:27 PM Marc Roos <M.Roos@xxxxxxxxxxxxxxxxx> wrote: > > > Shit, I added this class and now everything start backfilling (10%) How > is this possible, I only have hdd's? > > > -----Original Message----- > From: Konstantin Shalygin [mailto:k0ste@xxxxxxxx] > Sent: woensdag 13 juni 2018 9:26 > To: Marc Roos; ceph-users > Subject: Re: Add ssd's to hdd cluster, crush > map class hdd update necessary? > > On 06/13/2018 09:01 AM, Marc Roos wrote: > > Yes but I already have some sort of test cluster with data in it. I > > don’t think there are commands to modify existing rules that are > being > > used by pools. And the default replicated_ruleset doesn’t have a > class > > specified. I also have an erasure code rule without any class > > definition for the file system. > > Yes, before migration from multi-root/classless crush to luminous+ > classified crush you need to assign classified rulesets to your pools. > This is safe to apply on production clusters, on EC pools too. > > > > > > > k > > > _______________________________________________ > 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