Re: cephadm: RGW migration from empty realm

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On Thu, Jun 4, 2020 at 5:27 AM Sebastian Wagner <swagner@xxxxxxxx> wrote:
>
> moved to dev@xxxxxxx
>
> Hi RGW experts,
>
> As cephadm doesn't support an empty realm right now, we need to find a
> solution.
>
> Right now, I can see two ways forward for users to migrate to cephadm:
>
> 1. add the possibility to create a cephadm services without realm
> 2. provide a documented way to migrate existing zones without realm

see https://docs.ceph.com/docs/master/radosgw/multisite/#migrating-a-single-site-system-to-multi-site

>
> What do you prefer?
>
> Best,
> Sebastian
>
>
>
> Am 02.06.20 um 19:34 schrieb Andy Goldschmidt:
> > Hi
> > I am trying to upgrade from Mimic (13.2.10) to Octopus (15.x).   Im also tryin to sue cephadm and am following this guide.https://docs.ceph.com/docs/master/cephadm/adoption/
> >
> > It was all going fine until step 11 and deploying the new RGW's.  I don't have any realms set for my cluster, so how do I do it? This is also a single site cluster.
> > # radosgw-admin realm list{    "default_info": "",    "realms": []}
> > # radosgw-admin zone list{    "default_info": "a15e2aec-a0da-4cad-a1bd-f448f25bbe3d",    "zones": [        "default"    ]}
> >
> >
> > The step below is what I don't know what to do, as it says I need to specify the realm.
> >
> > 11. Redeploy RGW daemons. Cephadm manages RGW daemons by zone. For each zone, deploy new RGW daemons with cephadm:
> > # ceph orch apply rgw <realm> <zone> <placement> [--port <port>] [--ssl]
> > my ceph.conf has this in it about the rgw's[client.rgw.ceph-mgmt0]host = ceph-mgmt0keyring = /var/lib/ceph/radosgw/ceph-rgw.ceph-mgmt0/keyringlog file = /var/log/ceph/ceph-rgw-ceph-mgmt0.logrgw frontends = civetweb port=10.92.135.40:8080 num_threads=100rgw dns name = library.xxxxx.com
> > [client.rgw.ceph-mgmt1]host = ceph-mgmt1keyring = /var/lib/ceph/radosgw/ceph-rgw.ceph-mgmt1/keyringlog file = /var/log/ceph/ceph-rgw-ceph-mgmt1.logrgw frontends = civetweb port=10.92.135.41:8080 num_threads=100rgw dns name = library.xxxxx.com
> > [client.rgw.ceph-mgmt2]host = ceph-mgmt2keyring = /var/lib/ceph/radosgw/ceph-rgw.ceph-mgmt2/keyringlog file = /var/log/ceph/ceph-rgw-ceph-mgmt2.logrgw frontends = civetweb port=10.92.135.42:8080 num_threads=100rgw dns name = library.xxxxx.com
> > RegardsAndy
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> >
>
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