[ovirt-users] HE multipath problem.

[Elad Ben Aharon]

Yes, you're right.

# The following are used only for iSCSI storage
iqn=
portal=
user=
password=
port=


Simone, what do you think, will it be possible to add targets in
hosted-engine.conf as a workaround?


On Wed, Feb 3, 2016 at 2:46 PM, gflwqs gflwqs <gflwqs at gmail.com> wrote:

> 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
>>>>>
>>>>>
>>>>
>>>
>>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.ovirt.org/pipermail/users/attachments/20160203/1f4e49b6/attachment-0001.html>