[ovirt-users] iscsi failover MD3820i

[Marcin Kruk]

I found the configuration file /etc/ovirt-hosted-engine/hosted-engine.conf
with field sotrage=<iSCSI_IT_TARGET>.
Is it possible to change the value above to put four IP there (four array
interfaces IP)?

2017-03-08 10:58 GMT+01:00 Marcin Kruk <askifyouneed at gmail.com>:

> How to verify this?
> In the RHEM GUI storage -> <storage_name> -> Manage domain  I can see all
> fourt target names,
> but mabye there is only present state and I shoud verify something else in
> the database or wherever?
>
> Where is the info about iSCSI hosted-engine storage target IP,
> about other storages information is in the table
> engine.storage_server_connections.
> I presume that information about iSCSI storage target IP can not be in the
> the database due to "chicken or the egg" dillema.
>
> 2017-03-07 22:50 GMT+01:00 Dan Yasny <dyasny at gmail.com>:
>
>> "*Important:* If more than one path access is required, ensure to
>> discover and log in to the target through all the required paths. Modifying
>> a storage domain to add additional paths is currently not supported."
>>
>> This is from the oVirt admin guide, did you discover and login to all the
>> MD3xxxi controllers/portals when you were setting the storage domain up?
>>
>> On Tue, Mar 7, 2017 at 4:43 PM, Marcin Kruk <askifyouneed at gmail.com>
>> wrote:
>>
>>> Hello I have got Dell MD3820i and four interfaces which was connected to
>>> the hostst via switches.
>>>
>>> But there is only one IP which I can set during the configuration of
>>> iSCSI RHV storage.
>>> Everything has been fine until I pluged off cable from the storage NIC
>>> interface with IP configured in the RHV iSCSI section.
>>>
>>> Now VDSMD got problem because it tries to connect via iscsiadm with
>>> exact IP and does not use the configuration from the /var/lib/iscsi/, where
>>> are tree extra paths to achive the LUN. In multipath -ll I see an active
>>> path, of course with the second storage interface IP
>>>
>>> systemctl status vdsmd:
>>>    CGroup: /system.slice/vdsmd.service
>>>            ├─4975 /usr/bin/python /usr/share/vdsm/vdsm
>>>            ├─5558 /usr/bin/sudo -n /usr/sbin/iscsiadm -m node -T
>>> iqn.1984-05.com.dell:powervault.md3800i.600a098000ae589c000000005893ade2
>>> -I default -p 192...
>>>            └─5559 /usr/sbin/iscsiadm -m node -T
>>> iqn.1984-05.com.dell:powervault.md3800i.600a098000ae589c000000005893ade2
>>> -I default -p 192.168.130.101 32...
>>>
>>> _______________________________________________
>>> Users mailing list
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>>> http://lists.ovirt.org/mailman/listinfo/users
>>>
>>>
>>
>
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