Hi Wido,
Out of curiosity, did you ever work out how to do this?
Cheers, Dan
On Tue, Feb 12, 2019 at 6:17 PM Wido den Hollander <wido(a)42on.com> wrote:
>
> Hi,
>
> I've got a situation where I need to split a Ceph cluster into two.
>
> This cluster is currently running a mix of RBD and RGW and in this case
> I am splitting it into two different clusters.
>
> A difficult thing to do, but it's possible.
>
> One problem that stays though is that after the split both Ceph clusters
> have the same fsid and that might be confusing.
>
> Is there a way to change the fsid of an existing cluster?
>
> Injecting an updated MONMAP and OSDMAP into the cluster?
>
> It's no problem if this has to be done offline, but I'm just wondering
> if this is possible.
>
> Wido
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