<div dir="ltr">Is there any chance of multipath working with direct LUN instead of just storage domains ? I've asked/checked a couple of times, but not had much luck.<div><br></div><div>Thanks</div><div class="gmail_extra">
<br clear="all"><div><i>Gary Lloyd</i><div>----------------------------------<br><div>IT Services</div><div>Keele University</div></div><div>-----------------------------------</div></div>
<br><br><div class="gmail_quote">On 9 June 2014 15:17, John Taylor <span dir="ltr"><<a href="mailto:jtt77777@gmail.com" target="_blank">jtt77777@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
On Mon, Jun 9, 2014 at 9:23 AM, Nicolas Ecarnot <<a href="mailto:nicolas@ecarnot.net">nicolas@ecarnot.net</a>> wrote:<br>
> Le 09-06-2014 14:44, Maor Lipchuk a écrit :<br>
><br>
>> basically, you should upgrade your DC to 3.4, and then upgrade the<br>
>> clusters you desire also to 3.4.<br>
><br>
><br>
> Well, that seems to have worked, except I had to raise the cluster level<br>
> first, then the DC level.<br>
><br>
> Now, I can see the iSCSI multipath tab has appeared.<br>
> But I confirm what I wrote below :<br>
><br>
>>>>> I saw that multipathing is talked here :<br>
>>>>> <a href="http://www.ovirt.org/Feature/iSCSI-Multipath" target="_blank">http://www.ovirt.org/Feature/iSCSI-Multipath</a><br>
>>>>><br>
>>>>>> Add an iSCSI Storage to the Data Center<br>
>>>>>> Make sure the Data Center contains networks.<br>
>>>>>> Go to the Data Center main tab and choose the specific Data Center<br>
>>>>>> At the sub tab choose "iSCSI Bond"<br>
>>>>>> Press the "new" button to add a new iSCSI Bond<br>
>>>>>> Configure the networks you want to add to the new iSCSI Bond.<br>
>>>>><br>
>>>>><br>
>>>>> Anyway, I'm not sure to understand the point of this wiki page and this<br>
>>>>> implementation : it looks like a much higher level of multipathing over<br>
>>>>> virtual networks, and not at all what I'm talking about above...?<br>
><br>
><br>
> I am actually trying to know whether bonding interfaces (at low level) for<br>
> the iSCSI network is a bad thing, as was told by my storage provider?<br>
><br>
> --<br>
> Nicolas Ecarnot<br>
<br>
<br>
Hi Nicolas,<br>
I think the naming of the managed iscsi multipathing feature a "bond"<br>
might be a bit confusing. It's not an ethernet/nic bond, but a way to<br>
group networks and targets together, so it's not "bonding interfaces"<br>
Behind the scenes what it does is creates iscsi<br>
ifaces(/var/lib/iscsi/ifaces) and changes the way the iscsiadm calls<br>
are constructed to use those ifaces (instead of the default) to<br>
connect and login to the targets<br>
Hope that helps.<br>
<br>
-John<br>
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</blockquote></div><br></div></div>