Hello David,
Thank you!
We setup 2 pools to use EC with RBD. One ecpool and other normal replicated pool.
However, would it still be advantageous to add a replicated cache tier in front of an EC one, even though it is not required anymore? I would still assume that replication would be less intensive than EC computing?
Karun Josy
On Wed, Dec 27, 2017 at 3:42 AM, David Turner <drakonstein@xxxxxxxxx> wrote:
Please use the version of the docs for your installed version of ceph. Now the Jewel in your URL and the Luminous in mine. In Luminous you no longer need a cache tier to use EC with RBDs.
http://docs.ceph.com/docs/
luminous/rados/operations/ cache-tiering/ On Tue, Dec 26, 2017, 4:21 PM Karun Josy <karunjosy1@xxxxxxxxx> wrote:______________________________Hi,We are using Erasure coded pools in a ceph cluster for RBD images.Ceph version is 12.2.2 Luminous.----------Here it says we can use a Cache tiering infront of ec pools.To use erasure code with RBD we have a replicated pool to store metadata and ecpool as data pool .Is it possible to setup cache tiering since there is already a replicated pool that is being used ?Karun Josy_________________
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