It's all about resources. If you have lots of CPU and memory it is completely doable.
If you're using lower specification hardware, it might be a little difficult. -Tu On Fri, May 6, 2016 at 7:11 AM David Turner <david.tur...@storagecraft.com> wrote: > There is potential for locking due to hung processes or such when you have > OSDs on Mons. My test cluster has OSDS on Mons and it hasn't come across > it, but I have heard of this happening in this mailing list. I don't think > you would ever hear a recommendation for this in a production environment. > ________________________________________ > From: ceph-users [ceph-users-boun...@lists.ceph.com] on behalf of Dacre, > Alex [alex.da...@cirrus.com] > Sent: Friday, May 06, 2016 5:07 AM > To: Oliver Dzombic; ceph-users@lists.ceph.com > Subject: Re: [ceph-users] Dual Role Nodes > > That's good to know. My plan is to have three nodes initially; each with > every role. > > Thanks, > Alex > > -----Original Message----- > From: ceph-users [mailto:ceph-users-boun...@lists.ceph.com] On Behalf Of > Oliver Dzombic > Sent: 06 May 2016 12:06 > To: ceph-users@lists.ceph.com > Subject: Re: [ceph-users] Dual Role Nodes > > Hi Alex, > > thats no problem. > > It might get harder to troubleshoot problems, because the serverressourced > will be used for everything. Also you will have on the same node logs for > every different service. > > But in general, its no problem technically to have all ( Mon+Osd+MDS ) on > one node. > > -- > Mit freundlichen Gruessen / Best regards > > Oliver Dzombic > IP-Interactive > > mailto:i...@ip-interactive.de > > Anschrift: > > IP Interactive UG ( haftungsbeschraenkt ) Zum Sonnenberg 1-3 > 63571 Gelnhausen > > HRB 93402 beim Amtsgericht Hanau > Geschäftsführung: Oliver Dzombic > > Steuer Nr.: 35 236 3622 1 > UST ID: DE274086107 > > > Am 06.05.2016 um 13:00 schrieb Dacre, Alex: > > Hi, > > > > > > > > I'm looking at standing up a small Ceph cluster, but I'm curious as to > > what the general opinion is around having dual role nodes. E.g. each > > node is both an OSD and MON. > > > > > > > > Regards, > > > > Alex > > > > > > > > _______________________________________________ > > ceph-users mailing list > > ceph-users@lists.ceph.com > > https://urldefense.proofpoint.com/v2/url?u=http-3A__lists.ceph.com_lis > > tinfo.cgi_ceph-2Dusers-2Dceph.com&d=DQIF-g&c=O3LcjD-V2Iepl5V0N1424A&r= > > MW8D_KLIjbkgPV4I3ExMPW-6rQA8xlUsAXjzeSmCE80&m=Zrz-dViIT_3QUcQUXdQGZEsH > > av9rT228pj_fFI0a8oQ&s=NZ4hiYs315UX7MIGhTyabHpGqrFXEju-WBZjIVFeGUU&e= > > > _______________________________________________ > ceph-users mailing list > ceph-users@lists.ceph.com > > https://urldefense.proofpoint.com/v2/url?u=http-3A__lists.ceph.com_listinfo.cgi_ceph-2Dusers-2Dceph.com&d=DQIF-g&c=O3LcjD-V2Iepl5V0N1424A&r=MW8D_KLIjbkgPV4I3ExMPW-6rQA8xlUsAXjzeSmCE80&m=Zrz-dViIT_3QUcQUXdQGZEsHav9rT228pj_fFI0a8oQ&s=NZ4hiYs315UX7MIGhTyabHpGqrFXEju-WBZjIVFeGUU&e= > _______________________________________________ > ceph-users mailing list > ceph-users@lists.ceph.com > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > _______________________________________________ > ceph-users mailing list > ceph-users@lists.ceph.com > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com >
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