>>> Josef Johansson <josef86@xxxxxxxxx> schrieb am Donnerstag, 30. Juni 2016 um 15:23: > Hi, > Hi, > You could actually managed every osd and mon and mds through docker swarm, > since all just software it make sense to deploy it through docker where you > add the disk that is needed. > > Mons does not need permanent storage either. Not that a restart of the > docker instance would remove the but rather that a remove would. > > Updates are easy as well, download the latest docker image and rebuild the > OSD/MON. > And what about the data? Rebuilding an OSD's means dropping it from the cluster, doesn't it? Or do you change only the binaries and restart the new docker image on the same osd device? Otherwise it's a build up and tear down of cluster components. That's what most ceph admins try to avoid to keep the cluster performance stable. > All in all I believe you give the sysop exactly one control plane to handle > all of the environment. > > Regards, > Josef > Regards Steffen > On Thu, 30 Jun 2016, 15:16 xiaoxi chen, <superdebugger@xxxxxxxxxxx> wrote: > >> 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: 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 >> _______________________________________________ >> ceph-users mailing list >> ceph-users@xxxxxxxxxxxxxx >> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com >> -- Klinik-Service Neubrandenburg GmbH Allendestr. 30, 17036 Neubrandenburg Amtsgericht Neubrandenburg, HRB 2457 Geschaeftsfuehrerin: Gudrun Kappich _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
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