[ovirt-users] iSCSI question... LUNS->Targets balnk

[Donny Davis]

I think you nailed it. There are no disks available to mount. They are
already mounted to the host.
On Aug 10, 2015 1:20 PM, "Alan Murrell" <lists at murrell.ca> wrote:

> Quoting "Donny Davis" <donny at cloudspin.me>:
>
> tail -f /var/log/vdsm/vdsm.log
>>
>> Then then go through the connect sequence. You should get a better idea.
>>
>
> It shows a successful connect, but keeps trying to do a scan.  About every
> 30 seconds, the following entry shows up:
>
> --- START ---
> Thread-12294::DEBUG::2015-08-10
> 10:13:09,286::misc::741::Storage.SamplingMethod::(__call__) Trying to enter
> sampling method (storage.iscsi.rescan)
> Thread-12294::DEBUG::2015-08-10
> 10:13:09,286::iscsi::424::Storage.ISCSI::(rescan) Performing SCSI scan,
> this will take up to 30 seconds
> Thread-12294::DEBUG::2015-08-10
> 10:13:09,286::iscsiadm::97::Storage.Misc.excCmd::(_runCmd) /usr/bin/sudo -n
> /sbin/iscsiadm -m session -R (cwd None)
> --- END ---
>
> so it seems it never quite finished the scan.
>
>
> Did you put any acls on the iscsi mount to allow the hosts to connect?
>>
>
> I did.  I was able to get my oVirt host's iSCSI Initiator Name from it's
> "General" tab/page "System > Hosts", and created the ACL for it in
> "targetcli":
>
> -- START ---
> cd
> /iscsi/iqn.2003-01.org.linux-iscsi.yvr001svr01.x8664:sn.33a56c3324e0/tpg1/acls
> create iqn.1994-05.com.redhat:ba4cc8b3368e
> --- END ---
>
> The output indicated that the ACL was created and mapped to LUN 0.  I ran
> the exact same command for my Win 7 PC (using it's iSCSI Initiator Name, of
> course).
>
> I did not setup any sort of CHAP authentication.
>
> There is one thing I have noticed in viewing my /var/log/messages on my
> host/storage that may have an effect.  As you may or may not know, I am
> running a single-server with hosted engine.  My storage is also on this
> server.
>
> What I have noticed is that my host/storage server is mounting the iSCSI
> target automatically as '/dev/sdd', so I am not sure if that may be
> affecting oVirt's ability to scan, if it is already connected to by the
> very same host?
>
> (I hope this makes sense?  If not, let me know and I can try to answer
> your questions better)
>
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