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

Jason Dillaman jdillama at redhat.com
Wed Oct 10 12:41:43 PDT 2018


The latest master branch version on shaman should be functional:

[1] https://shaman.ceph.com/repos/ceph-iscsi-config/
[2] https://shaman.ceph.com/repos/ceph-iscsi-cli
[3] https://shaman.ceph.com/repos/tcmu-runner/

On Wed, Oct 10, 2018 at 3:39 PM Brady Deetz <bdeetz at gmail.com> wrote:
>
> 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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-- 
Jason


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