On 06/30/2016 02:05 AM, F21 wrote:
Hey all,
I am interested in running ceph in docker containers. This is extremely
attractive given the recent integration of swarm into the docker engine,
making it really easy to set up a docker cluster.
When running ceph in docker, should monitors, radosgw and OSDs all be on
separate physical nodes? I watched Sebastian's video on setting up ceph
in docker here: https://www.youtube.com/watch?v=FUSTjTBA8f8. In the
video, there were 6 OSDs, with 2 OSDs running on each node.
Is running multiple OSDs on the same node a good idea in production? Has
anyone operated ceph in docker containers in production? Are there any
things I should watch out for?
Cheers,
Francis
It's actually quite common to run multiple OSDs on the same physical
node, since an OSD currently maps to a single block device. Depending
on your load and traffic, it's usually a good idea to run monitors and
RGWs on separate nodes.
Daniel
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