On Thu, Jun 8, 2017 at 3:54 PM, Sage Weil <sweil@xxxxxxxxxx> wrote:
> On Thu, 8 Jun 2017, Bassam Tabbara wrote:
>> Thanks Sage.
>>
>> > At CDM yesterday we talked about removing the ability to name your ceph
>> > clusters.
>>
>> Just to be clear, it would still be possible to run multiple ceph
>> clusters on the same nodes, right?
>
> Yes, but you'd need to either (1) use containers (so that different
> daemons see a different /etc/ceph/ceph.conf) or (2) modify the systemd
> unit files to do... something.
In the container case, I need to clarify that ceph-docker deployed
with ceph-ansible is not capable of doing this, since
the ad-hoc systemd units use the hostname as part of the identifier
for the daemon, e.g:
systemctl enable ceph-mon@{{ ansible_hostname }}.service
>
> This is actually no different from Jewel. It's just that currently you can
> run a single cluster on a host (without containers) but call it 'foo' and
> knock yourself out by passing '--cluster foo' every time you invoke the
> CLI.
>
> I'm guessing you're in the (1) case anyway and this doesn't affect you at
> all :)
>
> sage
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