[Users] EL5 support for VirtIO SCSI?

[Itamar Heim]

On 11/13/2013 03:58 AM, Paul Jansen wrote:
> Hi Rene.
> I specifically need the scsi support (virtio-scsi).
> I do know about the virtio-block support, which results in /dev/vd*
> devices as you say.
>  From what I read even EL6 earlier than 6.3 does not support virtio-scsi
>
> Alternatively, does oVirt support an emulated scsi adapter of a
> different type that would allow me to see scsi disks?

may i ask why do you need the virtual disks to specifically be scsi?

>
> Regards,
> Paul
>
>
> On Wednesday, 13 November 2013 7:23 PM, René Koch (ovido)
> <r.koch at ovido.at> wrote:
> On Wed, 2013-11-13 at 09:41 +0100, Sander Grendelman wrote:
>  > According to https://access.redhat.com/site/solutions/20511
> <https://access.redhat.com/site/solutions/20511>virtio
>  > work on > rhel5.3.
>  >
>  > You have to edit /etc/modprobe.conf and generate a new initrd.
>
>
> If you're installing the OS on a VirtIO disk this is done automatically
> by anaconda. I just installed RHEL 5 on oVirt 3.3 with VirtIO disk and
> everything worked out of the box.
>
>
>  >
>  > On Wed, Nov 13, 2013 at 9:32 AM, Sven Kieske <S.Kieske at mittwald.de
> <mailto:S.Kieske at mittwald.de>> wrote:
>  > > Hi,
>  > >
>  > > afaik the rhel 5 kernel series just has not the necessary drivers for
>  > > all virtio stuff, so it's not supported and does not work, unless
>  > > you want to patch your own kernel.
>  > >
>  > > Am 13.11.2013 06:44, schrieb Paul Jansen:
>  > >> I have just set up an Ovirt 3.3.0 install and have done a test
> install of Centos 6.4 in a VM.  The VM was configured with an IDE drive
> and a virtio-scsi drive.  The Centos 6.4 install sees both drives OK.
>  > >> I'm wanting to do some testing on a product that is based on EL5,
> but I'm finding that it cannot see the virtio-scsi drive.  It does show
> up in the output of 'lspci', but I don't see a corresponding 'sd' device.
>  > >>
>
>
> There's no /dev/sd* device - the devices are named /dev/vd*...
>
>
>  > >> I've just tried installing Centos 5.10 and the support is not there.
>
>
> Didn't test CentOS but RHEL 5 is working fine.
>
>
> Regards,
> René
>
>
>
>  > >>
>  > >> Does anyone know of any tricks to allow EL5 to see the virtio-scsi
> device?
>  > >
>  > >
>  > > --
>  > > Mit freundlichen Grüßen / Regards
>  > >
>  > > Sven Kieske
>  > >
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