On Oct 22, 2014, at 12:39 PM, Laurent HENRY <[email protected]> wrote:
> Hello,
> I am noticing a strange behavior with one of my Linux server (Opensuse
> 13.1 with open-iscsi)
>
> While connecting manually to a iscsi node, my lun is getting mounted twice.
> This produce troubles on my iscsi disk array, which refuse a multihost
> request
> (and i don't want to allow it either).
>
> I think the reason is my disk array (dell equallogic) announce every lun
> twice, i don't know why.
That would certainly be unexpected, if it is really doing that.
>
> Here is an example:
>
> # iscsiadm -m discovery -t sendtargets -p 192.168.99.55|grep 13.1-orig
>
> 192.168.99.55:3260,1 iqn.2001-05.com.equallogic:4-52aed6-a9251e6aa-
> f437080d41b5434f-13-1-orig
> 192.168.99.55:3260,1 iqn.2001-05.com.equallogic:4-52aed6-a9251e6aa-
> f437080d41b5434f-13-1-orig
That means either it was announced twice, or it was announced once but the
Linux end turned it into two records. To determine which is correct, you might
use Wireshark or equivalent to capture the iSCSI discovery session. I expect
you'll see the target announced once; if so then the issue is at the initiator
end. If you do see the target announced twice, that would be something to
investigate more in detail because the system isn't supposed to do that.
paul
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