[ovirt-users] HE multipath problem.

gflwqs gflwqs gflwqs at gmail.com
Wed Feb 3 12:46:45 UTC 2016


Yes but i have to change the config for the HE in
/etc/ovirt-hosted-engine/hosted-engine.conf so how should that look like?
There is only one variable for storage and since there is dual pathing
there is 2 ip:s so is there some other config for multipathing?

storage=x.x.x.x

2016-02-03 13:17 GMT+01:00 Elad Ben Aharon <ebenahar at redhat.com>:

> The scenario of manually connecting the hosted-engine host to several
> paths wasn't tested before, but by theory it should work.
> As you said, the host should be set to global maintenance, disconnected
> from the single iSCSI session [1] and reconnected to the dual paths [2].
> Then host re-activation.
>
> [1]  # iscsiadm -m session -u
>      # iscsiadm -m node -o delete
> [2] # iscsiadm -m discovery -t sendtargets -p target_IP:port
>     # iscsiadm -m node target_name -l
>
> On Wed, Feb 3, 2016 at 12:12 PM, gflwqs gflwqs <gflwqs at gmail.com> wrote:
>
>> So does that mean i can change it if i put the HE into global maintenance
>> and restart it?
>> If that is possible then it is ok for me?
>>
>> /Christian
>>
>> 2016-02-03 11:07 GMT+01:00 Elad Ben Aharon <ebenahar at redhat.com>:
>>
>>> Hi,
>>>
>>> Deployment over more than one path is currently not supported. There is
>>> a request for it: https://bugzilla.redhat.com/show_bug.cgi?id=1193961
>>> I can't think of a way for manually change to dual paths and keep the VM
>>> running without interruptions.
>>>
>>> Adding Simone and Nir who might have an idea.
>>>
>>>
>>> On Wed, Feb 3, 2016 at 10:37 AM, gflwqs gflwqs <gflwqs at gmail.com> wrote:
>>>
>>>> Hi List,
>>>>
>>>> I have installed the hosted engine over iscsi but have a problem
>>>> getting it to install over the multipath, even though i can see the
>>>> multipath device from the host with multipath -ll.
>>>>
>>>> When i get to the point in the HE installer where i should choose the
>>>> disk i only see the underlying devices like sdb sdc. So if i choose one of
>>>> those it results in that it will only use one of the paths!
>>>>
>>>> My questions is:
>>>> - Is there a bug in the installer script or am i doing something wrong?
>>>> - I now have a running HE and would like to manually change the single
>>>> path to dual, how do i accomplish this?
>>>>
>>>> I am running  ovirt 3.5.6.2.
>>>>
>>>> Regards
>>>> Christian
>>>>
>>>>
>>>>
>>>> _______________________________________________
>>>> Users mailing list
>>>> Users at ovirt.org
>>>> http://lists.ovirt.org/mailman/listinfo/users
>>>>
>>>>
>>>
>>
>
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