On Wed, 07 Mar 2012 13:58:21 -0600, Gerhard Wiesinger
<li...@wiesinger.com> wrote:
On Wed, 7 Mar 2012, Brian Jackson wrote:
I think most people trying to use qemu for anything useful have given
up on if=scsi. Some distros even disable support because they don't
want to QA it. That should be a decent sign that you may want to avoid
it.
OK, but SAS (Serial attached SCSI) is technology in the area of storage
interface technology where all big storage vendors see future (e.g. they
give up: FC and SATA drives, SATA drives are replaced by MDL SATA drives
(SATA 7200RPM drives with SAS interface)).
Therefore I don't understand why distros are giving up SAS which is also
SCSI (of course old legacy SCSI is understandable).
And legacy SCSI is of course technology from yesterday but e.g.
LSI53C895A has largest OS support ever as far as I know (from DOS,
Win95, NT4, W2K, XP, Vista, Windows 7, Linux, etc.). Also CPU usage is
low.
I would imagine IDE would, but I'm not as familiar with hardware support
of Windows < XP.
What's your preferred storage technology on QEMU?
virtio > ahci > ide
Where do you see future?
Hopefully, Hannes' Megaraid work gets merged. That along with the other
options above should cover most bases pretty well.
BTW: The underlying problem I want to solve: I want to migrate a VMWare
Server 2.x VM based on Buslogic SCSI controller to QEMU/KVM. And
geometry translation to IDE/SATA doesn't boot up the system ... Any
ideas to migrate to other storage technology (VM is offline)?
If you could boot it, I'd say you could try mergeide (I'm assuming it's
Windows since Linux should just work).
Ciao,
Gerhard
--
http://www.wiesinger.com/
