[ceph-users] RBD Mirror between two separate clusters named ceph

Jason Dillaman jdillama at redhat.com
Thu Oct 5 17:13:38 PDT 2017

The "cluster" name is really just the name of the configuration file.
The only issue with your command-line is that you should connect to
the "local" cluster to add a peer as a remote cluster:

rbd --cluster ceph mirror pool peer add spin2 client.admin at remote-mirror

On Thu, Oct 5, 2017 at 7:45 PM, Alex Gorbachev <ag at iss-integration.com> wrote:
> I am testing rbd mirroring, and have two existing clusters named ceph
> in their ceph.conf.  Each cluster has a separate fsid.  On one
> cluster, I renamed ceph.conf into remote-mirror.conf and
> ceph.client.admin.keyring to remote-mirror.client.admin.keyring, but
> it looks like this is not sufficient:
> root at lab2-mon3:/etc/ceph# rbd --cluster remote-mirror mirror pool peer
> add spin2 client.admin at remote-mirror
> rbd: error adding mirror peer
> 2017-10-05 19:40:52.003289 7f290935c100 -1 librbd: Cannot add self as
> remote peer
> Short of creating a whole new cluster, are there any options to make
> such configuration work?
> Thank you,
> --
> Alex Gorbachev
> Storcium
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