Hi,
Lately I've been going back to work on one of my first ceph setup and
now I see that I have created way too many placement groups for the
pools on that setup (about 10 000 too many). I believe this may impact
performances negatively, as the performances on this ceph cluster are
abysmal. Since it is not possible to reduce the number of PGs in a pool,
I was thinking of creating new pools with a smaller number of PGs,
moving the data from the old pools to the new pools and then deleting
the old pools.
I haven't seen any command to copy objects from one pool to another.
Would that be possible? I'm using ceph for block storage with openstack,
so surely there must be a way to move block devices from a pool to
another, right?
--
======================
Jean-Philippe Méthot
Administrateur système / System administrator
GloboTech Communications
Phone: 1-514-907-0050
Toll Free: 1-(888)-GTCOMM1
Fax: 1-(514)-907-0750
jpmethot@xxxxxxxxxx
http://www.gtcomm.net
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