On 04/28/2014 03:54 AM, Jeremiah Jahn wrote:
looks like libvirt should be able to do it with it's hostdev entries.
http://libvirt.org/formatdomain.html#elementsHostDevSubsys
<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>
...
so i think 'hostusb' would be a very good match for a custom hook:
http://www.ovirt.org/VDSM-Hooks
http://www.ovirt.org/VDSM-Hooks_Catalogue
http://gerrit.ovirt.org/gitweb?p=vdsm.git;a=tree;f=vdsm_hooks;
On Sat, Apr 26, 2014 at 4:09 AM, Itamar Heim <[email protected]> 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 <[email protected]> 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.
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