Hi,
On Fri, Mar 15, 2013 at 9:52 AM, Sebastien Han <sebastien....@enovance.com>wrote: > Hi, > > It's not recommended to use this command yet. > > As a workaround you can do: > > $ ceph osd pool create <my-new-pool> <pg_num> > $ rados cppool <my-old-pool> <my-new-pool> > $ ceph osd pool delete <my-old-pool> > $ ceph osd pool rename <my-new-pool> <my-old-pool> > We've just done exactly this on the default pool data, and it leaves cephfs mounts in a hanging state. Is that expected? Cheers, Dan > > > –––– > Sébastien Han > Cloud Engineer > > "Always give 100%. Unless you're giving blood." > > > > > > > > > > PHONE : +33 (0)1 49 70 99 72 – MOBILE : +33 (0)6 52 84 44 70 > EMAIL : sebastien....@enovance.com – SKYPE : han.sbastien > ADDRESS : 10, rue de la Victoire – 75009 Paris > WEB : www.enovance.com – TWITTER : @enovance > > On Mar 15, 2013, at 9:27 AM, Marco Aroldi <marco.aro...@gmail.com> wrote: > > Hi, > > I have a new cluster with no data. > Now it has 44 osd and my goal is to increase in the next months to > reach a total of 88 osd. > > My pgmap is: > pgmap v841: 8640 pgs: 8640 active+clean; 8730 bytes data, 1733 MB > used, 81489 GB / 81491 GB avail > 2880 PG each for data, metadata and rbd pools > This value was set by mkcephfs > > Chatting on IRC channel, it was told me to calculate 100 pg per Osd > and round to near power-of-2 > So in my case would be 8192 PG for each pool, right? > > My question: > Knowing to have to double the number of osd, > is it advisable to increase pg_num right now with the following commands? > ceph osd pool set data pg_num 8192 --allow-experimental-feature > ceph osd pool set metadata pg_num 8192 --allow-experimental-feature > ceph osd pool set rbd pg_num 8192 --allow-experimental-feature > > Thanks > > -- > Marco Aroldi > _______________________________________________ > 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 > >
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