Re: ceph-deploy issues with initial mons that aren't up

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This makes sense. So if other mons come up that are *not* defined as initial mons, then they will not be in service until the initial mon is up and ready? At which point they can form their quorum and operate?


> -----Original Message-----
> From: Gregory Farnum [mailto:greg@xxxxxxxxxxx]
> Sent: Thursday, December 19, 2013 10:19 PM
> To: Don Talton (dotalton)
> Cc: ceph-users@xxxxxxxxxxxxxx
> Subject: Re:  ceph-deploy issues with initial mons that aren't up
> 
> "mon initial members" is a race prevention mechanism whose purpose is to
> prevent your monitors from forming separate quorums when they're
> brought up by automated software provisioning systems (by not allowing
> monitors to form a quorum unless everybody in the list is a member).
> If you want to add other monitors at a later time you can do so by specifying
> them elsewhere (including in mon hosts or whatever, so other daemons will
> attempt to contact them.) -Greg Software Engineer #42 @
> http://inktank.com | http://ceph.com
> 
> 
> On Thu, Dec 19, 2013 at 9:13 PM, Don Talton (dotalton)
> <dotalton@xxxxxxxxx> wrote:
> > I just realized my email is not clear. If the first mon is up and the additional
> initials are not, then the process fails.
> >
> >> -----Original Message-----
> >> From: ceph-users-bounces@xxxxxxxxxxxxxx [mailto:ceph-users-
> >> bounces@xxxxxxxxxxxxxx] On Behalf Of Don Talton (dotalton)
> >> Sent: Thursday, December 19, 2013 2:44 PM
> >> To: ceph-users@xxxxxxxxxxxxxx
> >> Subject:  ceph-deploy issues with initial mons that
> >> aren't up
> >>
> >> Hi all,
> >>
> >> I've been working in some ceph-deploy automation and think I've
> >> stumbled on an interesting behavior. I create a new cluster, and
> >> specify 3 machines. If all 3 are not and unable to be ssh'd into with
> >> the account I created for ceph- deploy, then the mon create process
> >> will fail and the cluster is not properly setup with keys, etc.
> >>
> >> This seems odd to me, since I may want to specify initial mons that
> >> may not yet be up (say they are waiting for cobbler to finish loading
> >> them for example), but I want them as part of the initial cluster.
> >>
> >>
> >> Donald Talton
> >> Cloud Systems Development
> >> Cisco Systems
> >>
> >>
> >>
> >> _______________________________________________
> >> 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
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