[ovirt-users] iscsi failover MD3820i

[Marcin Kruk]

According to not hosted-engine storage, I found the
"storage_server_connections" and "lun_storage_server_connnection_map"
tables.
Is it possible to insert there rows with info about my extra iSCSI
connections?

2017-03-08 11:45 GMT+01:00 Marcin Kruk <askifyouneed at gmail.com>:

> 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
>>>> 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/20170308/776fb231/attachment-0001.html>