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It make sense to me to run MDS inside docker or k8s as MDS is stateless.
But Mon and OSD do have data in local , what's the motivation to run it in docker? > To: ceph-users@xxxxxxxxxxxxxx > From: dang@xxxxxxxxxx > Date: Thu, 30 Jun 2016 08:36:45 -0400 > Subject: Re: [ceph-users] Running ceph in docker > > 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 > > _______________________________________________ > ceph-users mailing list > ceph-users@xxxxxxxxxxxxxx > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com |
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