I configured the "public network" attribute in the ceph configuration file.
But it looks like to me that in the "auth get client.admin" command [*] issued by ceph-deploy the address of the management network is used (I guess because c-mon-02 gets resolved to the IP management address) Cheers, Massimo [*] /usr/bin/ceph --connect-timeout=25 --cluster=ceph --name mon. --keyring=/var/lib/ceph/mon/ceph-c-mon-02/keyring auth get client.admin On Thu, May 10, 2018 at 12:49 PM, Paul Emmerich <paul.emmer...@croit.io> wrote: > Monitors can use only exactly one IP address. ceph-deploy uses some > heuristics > based on hostname resolution and ceph public addr configuration to guess > which > one to use during setup. (Which I've always found to be a quite annoying > feature.) > > The mon's IP must be reachable from all ceph daemons and clients, so it > should be > on your "public" network. Changing the IP of a mon is possible but > annoying, it is > often easier to remove and then re-add with a new IP (if possible): > > http://docs.ceph.com/docs/master/rados/operations/add- > or-rm-mons/#changing-a-monitor-s-ip-address > > > Paul > > 2018-05-10 12:36 GMT+02:00 Massimo Sgaravatto < > massimo.sgarava...@gmail.com>: > >> I have a ceph cluster that I manually deployed, and now I am trying to >> see if I can use ceph-deploy to deploy new nodes (in particular the object >> gw). >> >> The network configuration is the following: >> >> Each MON node has two network IP: one on a "management network" (not used >> for ceph related stuff) and one on a "public network", >> The MON daemon listens to on the pub network >> >> Each OSD node has three network IPs: one on a "management network" (not >> used for ceph related stuff), one on a "public network" and the third one >> is an internal network to be used as ceph cluster network (for ceph >> internal traffic: replication, recovery, etc) >> >> >> Name resolution works, but names are resolved to the IP address of the >> management network. >> And it looks like this is a problem. E.g. the following command (used in >> ceph-deploy gatherkeys) issued on a MON host (c-mon-02) doesn't work: >> >> /usr/bin/ceph --verbose --connect-timeout=25 --cluster=ceph --name mon. >> --keyring=/var/lib/ceph/mon/ceph-c-mon-02/keyring auth get client.admin >> >> unless I change the name resolution of c-mon-02 to the public address >> >> >> Is it a requirement (at least for ceph-deploy) that the name of each node >> of the ceph cluster must be resolved to the public IP address ? >> >> >> Thanks, Massimo >> >> _______________________________________________ >> ceph-users mailing list >> ceph-users@lists.ceph.com >> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com >> >> > > > -- > -- > Paul Emmerich > > Looking for help with your Ceph cluster? Contact us at https://croit.io > > croit GmbH > Freseniusstr. 31h > <https://maps.google.com/?q=Freseniusstr.+31h+81247+M%C3%BCnchen&entry=gmail&source=g> > 81247 München > <https://maps.google.com/?q=Freseniusstr.+31h+81247+M%C3%BCnchen&entry=gmail&source=g> > www.croit.io > Tel: +49 89 1896585 90 >
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