You cannot change a pool between EC and replicated. There is no migration path between the two without creating a new pool. You can't even change the EC profile of an EC pool after it's created.
On Sat, Jan 13, 2018, 7:00 PM mofta7y <mofta7y@xxxxxxxxx> wrote:
didnt test with luminous i am still using kraken.
but for normal RBD workload using EC with cache tier does not give give
good results at all
this pool has been running for few months with real users and while in
testing it seems somehow ok and usable (still slow) in real workset it
is very slow
On 1/13/2018 6:56 PM, Marc Roos wrote:
>
> I regularly read the opposite here, and was thinking of switching to ec. Are you sure about what is causing your poor results.
> http://ceph.com/community/new-luminous-erasure-coding-rbd-cephfs/
> http://ceph.com/geen-categorie/ceph-pool-migration/
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