[ceph-users] tcmu iscsi (failover not supported)

Brady Deetz bdeetz at gmail.com
Wed Oct 10 12:38:38 PDT 2018


Here's where we are now.

By cherry-picking that patch into ceph-iscsi-config tags/v2.6 and cleaning
up the merge conflicts, the rbd-target-gw service would not start.

With the release of ceph-iscsi-config v2.6 (no cherry picked commits) and
tcmu-runner v1.3.0 the originally described errors still exist.

Is there a known working combination of releases of trslib-fb,
targetcli-fb, ceph-iscsi-config, ceph-iscsi-cli, and tcmu-runner?

On Wed, Oct 10, 2018 at 1:31 PM Mike Christie <mchristi at redhat.com> wrote:

> On 10/10/2018 01:13 PM, Brady Deetz wrote:
> > ceph-iscsi-config v2.6 https://github.com/ceph/ceph-iscsi-config.git
>
> ....
>
> >     Ignore that. ceph-iscsi-config 2.6 enabled explicit alua in
> anticipation
> >     for the tcmu-runner support. We are about to release 2.7 which
> matches
> >     tcmu-runner 1.4.0.
> >
>
> You need this patch which sets the failover type back to implicit to
> match tcmu-runner 1.4.0 and also makes it configurable for future versions:
>
> commit 8d66492b8c7134fb37b72b5e8e77d7c8109220d9
> Author: Mike Christie <mchristi at redhat.com>
> Date:   Mon Jul 23 15:45:09 2018 -0500
>
>     Allow alua failover type to be configurable
>
> in the ceph-iscsi-config git tree master branch. It will be in
> ceph-iscsi-config 2.7 that we are trying to finish up by Friday.
>
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