Hello, On Tue, 18 Oct 2016 00:19:53 +0200 Lars Marowsky-Bree wrote: > On 2016-10-17T15:31:31, Maged Mokhtar <mmokhtar@xxxxxxxxxxx> wrote: > > > This is our first beta version, we do not support cache tiering. We > > definitely intend to support it. > > Cache tiering in Ceph works for this use case. I assume you mean in > your UI? > May well be, but Oliver suggested that cache-tiering is not supported with Hammer (0.94.x), which it most certainly is. Unless you use 0.94.6, which will eat your babies and data. > Though we all are waiting for Luminous to do away with the need for > cache tiering to do rbd to ec pools ... > Well, there's the EC band-aid use case for cache-tiers, but they can be very helpful otherwise, depending on the size of working set/cache-pool, configuration of the cache-pool (write-back vs. read-forward) and specific use case. Christian -- Christian Balzer Network/Systems Engineer chibi@xxxxxxx Global OnLine Japan/Rakuten Communications http://www.gol.com/ _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
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