Hi folks,
On Wed, 2012-07-04 at 18:52 -0700, Nicholas A. Bellinger wrote:
>
> To give an idea of how things are looking on the performance side, here
> some initial numbers for small block (4k) mixed random IOPs using the
> following fio test setup:
> fio randrw workload | virtio-scsi-raw | vi
On Fri, 2012-07-06 at 15:30 -0500, Christoph Lameter wrote:
> On Fri, 6 Jul 2012, James Bottomley wrote:
>
> > What people might pay attention to is evidence that there's a problem in
> > 3.5-rc6 (without any OFED crap). If you're not going to bother
> > investigating, it has to be in an environm
On Fri, 6 Jul 2012, James Bottomley wrote:
> What people might pay attention to is evidence that there's a problem in
> 3.5-rc6 (without any OFED crap). If you're not going to bother
> investigating, it has to be in an environment they can reproduce (so
> ordinary hardware, not infiniband) otherw
On Fri, 2012-07-06 at 17:49 +0400, James Bottomley wrote:
> On Fri, 2012-07-06 at 02:13 -0700, Nicholas A. Bellinger wrote:
> > On Fri, 2012-07-06 at 09:43 +0400, James Bottomley wrote:
> > > On Thu, 2012-07-05 at 20:01 -0700, Nicholas A. Bellinger wrote:
> > >
> > > > This bottleneck has been
On Fri, 2012-07-06 at 02:13 -0700, Nicholas A. Bellinger wrote:
> On Fri, 2012-07-06 at 09:43 +0400, James Bottomley wrote:
> > On Thu, 2012-07-05 at 20:01 -0700, Nicholas A. Bellinger wrote:
> >
> > > So I'm pretty sure this discrepancy is attributed to the small block
> > > random I/O bottleneck
On Fri, 2012-07-06 at 09:43 +0400, James Bottomley wrote:
> On Thu, 2012-07-05 at 20:01 -0700, Nicholas A. Bellinger wrote:
>
> > So I'm pretty sure this discrepancy is attributed to the small block
> > random I/O bottleneck currently present for all Linux/SCSI core LLDs
> > regardless of physical
On Thu, 2012-07-05 at 20:01 -0700, Nicholas A. Bellinger wrote:
> So I'm pretty sure this discrepancy is attributed to the small block
> random I/O bottleneck currently present for all Linux/SCSI core LLDs
> regardless of physical or virtual storage fabric.
>
> The SCSI wide host-lock less conver
Il 06/07/2012 05:38, Nicholas A. Bellinger ha scritto:
> So I imagine that setting inquiry/vpd/mode via configfs attribs to match
> whatever the guest wants to see (or expects to see) can be enabled
> via /sys/kernel/config/target/core/$HBA/$DEV/[wwn,attrib]/ easily to
> whatever is required.
>
>
On Thu, 2012-07-05 at 16:53 +0300, Michael S. Tsirkin wrote:
> On Thu, Jul 05, 2012 at 12:22:33PM +0200, Paolo Bonzini wrote:
> > Il 05/07/2012 03:52, Nicholas A. Bellinger ha scritto:
> > >
> > > fio randrw workload | virtio-scsi-raw | virtio-scsi+tcm_vhost |
> > > bare-metal raw block
> > > ---
On Thu, 2012-07-05 at 12:31 +0300, Michael S. Tsirkin wrote:
> On Wed, Jul 04, 2012 at 07:01:05PM -0700, Nicholas A. Bellinger wrote:
> > On Wed, 2012-07-04 at 18:05 +0300, Michael S. Tsirkin wrote:
> > > I was talking about 4/6 first of all.
> >
> > So yeah, this code is still considered RFC a
On Thu, 2012-07-05 at 09:06 -0500, Anthony Liguori wrote:
> On 07/05/2012 08:53 AM, Michael S. Tsirkin wrote:
> > On Thu, Jul 05, 2012 at 12:22:33PM +0200, Paolo Bonzini wrote:
> >> Il 05/07/2012 03:52, Nicholas A. Bellinger ha scritto:
> >>>
> >>> fio randrw workload | virtio-scsi-raw | virtio-scs
On Thu, Jul 05, 2012 at 04:32:31PM +0200, Paolo Bonzini wrote:
> Il 05/07/2012 15:53, Michael S. Tsirkin ha scritto:
> > On Thu, Jul 05, 2012 at 12:22:33PM +0200, Paolo Bonzini wrote:
> >> Il 05/07/2012 03:52, Nicholas A. Bellinger ha scritto:
> >>>
> >>> fio randrw workload | virtio-scsi-raw | vir
On 07/05/12 17:53, Bart Van Assche wrote:
> On 07/05/12 01:52, Nicholas A. Bellinger wrote:
>> fio randrw workload | virtio-scsi-raw | virtio-scsi+tcm_vhost | bare-metal
>> raw block
>>
>> 25 Write / 75 Read |
On 07/05/12 01:52, Nicholas A. Bellinger wrote:
> fio randrw workload | virtio-scsi-raw | virtio-scsi+tcm_vhost | bare-metal
> raw block
>
> 25 Write / 75 Read | ~15K | ~45K |
On Thu, Jul 05, 2012 at 04:47:43PM +0200, Paolo Bonzini wrote:
> Il 05/07/2012 16:40, Michael S. Tsirkin ha scritto:
> >> virtio-scsi is brand new. It's not as if we've had any significant
> >> time to make virtio-scsi-qemu faster. In fact, tcm_vhost existed
> >> before virtio-scsi-qemu did if I
Il 05/07/2012 16:40, Michael S. Tsirkin ha scritto:
>> virtio-scsi is brand new. It's not as if we've had any significant
>> time to make virtio-scsi-qemu faster. In fact, tcm_vhost existed
>> before virtio-scsi-qemu did if I understand correctly.
Yes.
> Can't same can be said about virtio scsi
On Thu, Jul 05, 2012 at 09:06:35AM -0500, Anthony Liguori wrote:
> On 07/05/2012 08:53 AM, Michael S. Tsirkin wrote:
> >On Thu, Jul 05, 2012 at 12:22:33PM +0200, Paolo Bonzini wrote:
> >>Il 05/07/2012 03:52, Nicholas A. Bellinger ha scritto:
> >>>
> >>>fio randrw workload | virtio-scsi-raw | virtio
Il 05/07/2012 15:53, Michael S. Tsirkin ha scritto:
> On Thu, Jul 05, 2012 at 12:22:33PM +0200, Paolo Bonzini wrote:
>> Il 05/07/2012 03:52, Nicholas A. Bellinger ha scritto:
>>>
>>> fio randrw workload | virtio-scsi-raw | virtio-scsi+tcm_vhost | bare-metal
>>> raw block
>>> --
On 07/05/2012 08:53 AM, Michael S. Tsirkin wrote:
On Thu, Jul 05, 2012 at 12:22:33PM +0200, Paolo Bonzini wrote:
Il 05/07/2012 03:52, Nicholas A. Bellinger ha scritto:
fio randrw workload | virtio-scsi-raw | virtio-scsi+tcm_vhost | bare-metal raw
block
On Thu, Jul 05, 2012 at 12:22:33PM +0200, Paolo Bonzini wrote:
> Il 05/07/2012 03:52, Nicholas A. Bellinger ha scritto:
> >
> > fio randrw workload | virtio-scsi-raw | virtio-scsi+tcm_vhost | bare-metal
> > raw block
> >
Il 05/07/2012 03:52, Nicholas A. Bellinger ha scritto:
>
> fio randrw workload | virtio-scsi-raw | virtio-scsi+tcm_vhost | bare-metal
> raw block
>
> 25 Write / 75 Read | ~15K | ~45K
On Wed, Jul 04, 2012 at 07:01:05PM -0700, Nicholas A. Bellinger wrote:
> On Wed, 2012-07-04 at 18:05 +0300, Michael S. Tsirkin wrote:
> > On Wed, Jul 04, 2012 at 04:52:00PM +0200, Paolo Bonzini wrote:
> > > Il 04/07/2012 16:02, Michael S. Tsirkin ha scritto:
> > > > On Wed, Jul 04, 2012 at 04:24:00
On Wed, 2012-07-04 at 18:05 +0300, Michael S. Tsirkin wrote:
> On Wed, Jul 04, 2012 at 04:52:00PM +0200, Paolo Bonzini wrote:
> > Il 04/07/2012 16:02, Michael S. Tsirkin ha scritto:
> > > On Wed, Jul 04, 2012 at 04:24:00AM +, Nicholas A. Bellinger wrote:
> > >> From: Nicholas Bellinger
> > >>
Hi Anthony & Co,
On Wed, 2012-07-04 at 17:12 -0500, Anthony Liguori wrote:
> On 07/04/2012 10:05 AM, Michael S. Tsirkin wrote:
> > On Wed, Jul 04, 2012 at 04:52:00PM +0200, Paolo Bonzini wrote:
> >> Il 04/07/2012 16:02, Michael S. Tsirkin ha scritto:
> >>> On Wed, Jul 04, 2012 at 04:24:00AM +,
On 07/04/2012 10:05 AM, Michael S. Tsirkin wrote:
On Wed, Jul 04, 2012 at 04:52:00PM +0200, Paolo Bonzini wrote:
Il 04/07/2012 16:02, Michael S. Tsirkin ha scritto:
On Wed, Jul 04, 2012 at 04:24:00AM +, Nicholas A. Bellinger wrote:
From: Nicholas Bellinger
Hi folks,
This series contains
On Wed, Jul 04, 2012 at 04:52:00PM +0200, Paolo Bonzini wrote:
> Il 04/07/2012 16:02, Michael S. Tsirkin ha scritto:
> > On Wed, Jul 04, 2012 at 04:24:00AM +, Nicholas A. Bellinger wrote:
> >> From: Nicholas Bellinger
> >>
> >> Hi folks,
> >>
> >> This series contains patches required to updat
Il 04/07/2012 16:02, Michael S. Tsirkin ha scritto:
> On Wed, Jul 04, 2012 at 04:24:00AM +, Nicholas A. Bellinger wrote:
>> From: Nicholas Bellinger
>>
>> Hi folks,
>>
>> This series contains patches required to update tcm_vhost <-> virtio-scsi
>> connected hosts <-> guests to run on v3.5-rc2
On Wed, Jul 04, 2012 at 04:24:00AM +, Nicholas A. Bellinger wrote:
> From: Nicholas Bellinger
>
> Hi folks,
>
> This series contains patches required to update tcm_vhost <-> virtio-scsi
> connected hosts <-> guests to run on v3.5-rc2 mainline code. This series is
> available on top of targe
From: Nicholas Bellinger
Hi folks,
This series contains patches required to update tcm_vhost <-> virtio-scsi
connected hosts <-> guests to run on v3.5-rc2 mainline code. This series is
available on top of target-pending/auto-next here:
git://git.kernel.org/pub/scm/linux/kernel/git/nab/targe
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