Hi Bob,
I have not, although I started to go down that path. I had wanted
erasure coded pools but in order to front an erasure coded pool with an
RBD volume you apparently need a cache tier? Seems that doesn't give one
the performance they might want for this type of workload
(http://docs.ceph.com/docs/master/rados/operations/cache-tiering/#a-word-of-caution).
If you're OK replicating the data I suspect it might work well.
I did try sheepdog (https://sheepdog.github.io/sheepdog/) and that did
work the way I wanted it to with erasure coding and gave me pretty good
performance to boot.
-Aaron
On 12/12/16 8:55 AM, Oesterlin, Robert wrote:
Has anyone tried using Ceph RBD volumes with GPFS? I’m guessing that it
will work, but I’m not sure if IBM would support it.
Bob Oesterlin
Sr Principal Storage Engineer, Nuance
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Aaron Knister
NASA Center for Climate Simulation (Code 606.2)
Goddard Space Flight Center
(301) 286-2776
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