On 2015-06-04T12:42:42, David Burley <da...@slashdotmedia.com> wrote:
> Are there any safety/consistency or other reasons we wouldn't want to try
> using an external XFS log device for our OSDs? I realize if that device
> fails the filesystem is pretty much lost, but beyond that?
I think with the XFS journal on the same SSD as ceph's OSD journal, that
could be a quite interesting setup. Please share performance numbers!
I've been meaning to benchmark bcache in front of the OSD backend,
especially for SMRs, but haven't gotten around to it yet.
Regards,
Lars
--
Architect Storage/HA
SUSE Linux GmbH, GF: Felix Imendörffer, Jane Smithard, Dilip Upmanyu, Graham
Norton, HRB 21284 (AG Nürnberg)
"Experience is the name everyone gives to their mistakes." -- Oscar Wilde
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