On Friday, May 13, 2016, Mike Jacobacci <mikej@xxxxxxxxxx> wrote:
Hello,
I have a quick and probably dumb question… We would like to use Ceph for our storage, I was thinking of a cluster with 3 Monitor and OSD nodes. I was wondering if it was a bad idea to start a Ceph cluster with just one OSD node (10 OSDs, 2 SSDs), then add more nodes as our budget allows? We want to spread out the purchases of the OSD nodes over a month or two but I would like to start moving data over ASAP.
Hi Mike,
Production or test? I would strongly recommend against one OSD node in production. Not only risk of hang and data loss due to e.g. Filesystem issue or kernel, but also as you add nodes the data movement will introduce a good deal of overhead.
Regards,
Alex
Cheers,
Mike
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Alex Gorbachev
Storcium
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