Hi,

On 10/18/20 11:16 AM, Gilboa Davara wrote:
>
> On Thu, Oct 15, 2020 at 3:27 PM Nir Soffer <nsoffer@redhat.com
> <mailto:nsoffer@redhat.com>> wrote:
>
>     On Thu, Oct 15, 2020 at 3:20 PM Gilboa Davara <gilboad@gmail.com
>     <mailto:gilboad@gmail.com>> wrote:
>     >
>     > On Thu, Oct 15, 2020 at 2:38 PM Nir Soffer <nsoffer@redhat.com
>     <mailto:nsoffer@redhat.com>> wrote:
>     >>
>     >> > I've got room to spare.
>     >> > Any documentation on how to achieve this (or some pointers
>     where to look)?
>     >>
>     >> It should be documented in ovirt.org <http://ovirt.org>, and in
>     RHV documentation:
>     >>
>     https://access.redhat.com/documentation/en-us/red_hat_virtualization/4.4/html/administration_guide/
>     >>
>     >> > I couldn't find LVM / block device under host devices / storage
>     domain / etc and Google search returned irrelevant results.
>     >>
>     >> I tested locally, LVM devices are not available in:
>     >> Compute > Hosts > {hostname} > Host Devices
>     >>
>     >> Looks like libvirt does not support device mapper devices. You
>     can try:
>     >> # virsh -r nodedev-list
>     >>
>     >> To see supported devices. The list seems to match what oVirt displays
>     >> in the Host Devices tab.
>     >>
>     >> So you only option it to attach the entire local device to the
>     VM, either using
>     >> pci passthrough or as a scsi disk.
>     >>
>     >> Nir
>     >
>     >
>     > Full SCSI passthrough per "desktop" VM is an overkill for this
>     user case. (Plus, I don't see MD devices in the list, only pure
>     SATA/SAS devices).
>     > Any idea if there are plans to add support for LVM devices (or any
>     other block device)?
>
>     I don't think there is such a plan, but it makes sense to support
>     such usage.
>
>     Please file ovit-engine RFE explaining the use case, and we can consider
>     it for a future version.
>
>     Nir
>
>
> Done.
> https://bugzilla.redhat.com/show_bug.cgi?id=1889138

I also wote for this feature. There is also this RFE which could allow
similar functionality (allow use of local disk storages in shared
storage cluster).

https://bugzilla.redhat.com/show_bug.cgi?id=1406412

Cheers,

Jiri

>
> Thanks again for the help!
> - Gilboa
>
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