On 04/15/2011 10:56 PM, Paolo Bonzini wrote:
On 04/15/2011 05:04 PM, Stefan Hajnoczi wrote:
The way I approached virtio-scsi was to look at the SCSI Architecture
Model document and some of the Linux SCSI code. I'm not sure if
letting virtio-blk SCSI pass-through or scsi-generic guide us is a
On Mon, Apr 18, 2011 at 3:05 PM, Hannes Reinecke h...@suse.de wrote:
On 04/15/2011 10:56 PM, Paolo Bonzini wrote:
On 04/15/2011 05:04 PM, Stefan Hajnoczi wrote:
The way I approached virtio-scsi was to look at the SCSI Architecture
Model document and some of the Linux SCSI code. I'm not sure
On 04/18/2011 04:05 PM, Hannes Reinecke wrote:
My proposal would be to implement a full virtio-scsi _host_, and extend
the proposal to be able to handle the transport layer too.
Yes, I have added this independently from Friday to today, and it is why
I haven't sent the proposal yet.
At the
Lightly tested with Linux guests; at least it can successfully partition
and format a disk. scsi-generic also lightly tested.
Doesn't do migration, doesn't do hotplug (the device would support that,
but it is not 100% documented and the Linux driver in particular cannot
initiate hot-unplug). I
On Fri, Apr 15, 2011 at 2:42 PM, Paolo Bonzini pbonz...@redhat.com wrote:
Lightly tested with Linux guests; at least it can successfully partition
and format a disk. scsi-generic also lightly tested.
Doesn't do migration, doesn't do hotplug (the device would support that,
but it is not 100%
On 04/15/2011 04:01 PM, Stefan Hajnoczi wrote:
I think SCSI brings many benefits. Guests can deal with it better
than these alien vdX virtio-blk devices, which makes migration easier.
It becomes possible to attach many disks without burning through free
PCI slots. We don't need to update
On Fri, Apr 15, 2011 at 3:17 PM, Paolo Bonzini pbonz...@redhat.com wrote:
On 04/15/2011 04:01 PM, Stefan Hajnoczi wrote:
I think SCSI brings many benefits. Guests can deal with it better
than these alien vdX virtio-blk devices, which makes migration easier.
It becomes possible to attach many
On 04/15/2011 04:28 PM, Stefan Hajnoczi wrote:
Nothing formal. I'm trying to learn SCSI as I go along:
http://git.kernel.org/?p=linux/kernel/git/nab/lio-core-2.6.git;a=blob;f=include/linux/virtio_scsi.h;hb=refs/heads/tcm_vhost
That's the interface I'm using. Requests are:
On 04/15/2011 04:17 PM, Paolo Bonzini wrote:
On 04/15/2011 04:01 PM, Stefan Hajnoczi wrote:
I think SCSI brings many benefits. Guests can deal with it better
than these alien vdX virtio-blk devices, which makes migration easier.
It becomes possible to attach many disks without burning through
Why vmw_pvscsi?
Because all I wanted to do was to learn qemu's SCSI, and vmw_pvscsi is
pretty much the simplest device I could pick... It's just an exercise,
but since it works I thought I'd post it.
Good luck. Paul Brook absolutely insists on having them, but they kill
performance for any
On Fri, Apr 15, 2011 at 3:37 PM, Paolo Bonzini pbonz...@redhat.com wrote:
On 04/15/2011 04:28 PM, Stefan Hajnoczi wrote:
Nothing formal. I'm trying to learn SCSI as I go along:
On 04/15/2011 05:04 PM, Stefan Hajnoczi wrote:
The way I approached virtio-scsi was to look at the SCSI Architecture
Model document and some of the Linux SCSI code. I'm not sure if
letting virtio-blk SCSI pass-through or scsi-generic guide us is a
good approach.
How do your ioprio and barrier
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