<devices>
<hostdev mode='subsystem' type='scsi'>
<source>
<adapter name='scsi_host0'/>
<address type='scsi' bus='0' target='0'
unit='0'/>
</source>
<readonly/>
<address type='drive' controller='0' bus='0'
target='0' unit='0'/>
</hostdev>
</devices>
...
On Sat, Apr 26, 2014 at 4:09 AM, Itamar Heim <iheim(a)redhat.com> wrote:
On 04/25/2014 08:01 PM, Daniel Helgenberger wrote:
>
>
> On Fr, 2014-04-25 at 17:19 +0200, Jiri Belka wrote:
>>
>> On Fri, 25 Apr 2014 13:40:09 +0000
>> Daniel Helgenberger <daniel.helgenberger(a)m-box.de> wrote:
>>
>>> Hello,
>>>
>>> does anyone have an idea on how to accomplish this? In my particular
>>> setup, I need a FC tape drive passed though to the vm.
>>> Note, passing throuh FC - LUNs works flawlessly.
>>>
>>> If I understood Virtio -SCSI correctly, this should be possible from
>>> libvirt's part.
>>
>>
>> I can be wrong but my understanding is that dm-mpio works on block
>> layer thus it does not support multipath for tapes/cd-devices.
>>
>> But I could be wrong, I got this info from an OpenBSD paper comparing
>> SCSI multipath implementation.
>>
>> j.
>
> No, I think so too - it does not support tape drive as such (but I could
> set up a tape library as a LUN to use it with LTFS for instance)
>
> The point being is another. VirtIO SCSI should be able to pass through
> any scsi device; like tape drives end enclosures. I know this works in
> Proxmox:
http://pve.proxmox.com/wiki/Tape_Drives
>
> Does it work in oVirt, too? In the GUI I only see block LUNs from DM.
i suggest you try making it work via libivrt first, then we can compare to
the xml passed to the guest, workaround with a custom hook, etc.
_______________________________________________
Users mailing list
Users(a)ovirt.org
http://lists.ovirt.org/mailman/listinfo/users