On 11/15/2011 07:20 AM, Juan Quintela wrote:
Again, I think defaulting DAS to cache=none|directsync is what makes
the most sense here.
I think it is the only sane solution. Otherwise, we need to write the
equivalent of a lock manager, to know _who_ has the storage, and
distributed lock manager
On 11/14/2011 11:58 AM, Kevin Wolf wrote:
> Am 12.11.2011 11:25, schrieb Avi Kivity:
> > On 11/11/2011 12:15 PM, Kevin Wolf wrote:
> >> Am 10.11.2011 22:30, schrieb Anthony Liguori:
> >>> Live migration with qcow2 or any other image format is just not going to
> >>> work
> >>> right now even with
On 11/14/2011 04:16 AM, Daniel P. Berrange wrote:
On Sat, Nov 12, 2011 at 12:25:34PM +0200, Avi Kivity wrote:
On 11/11/2011 12:15 PM, Kevin Wolf wrote:
Am 10.11.2011 22:30, schrieb Anthony Liguori:
Live migration with qcow2 or any other image format is just not going to work
right now even wit
On Mon, Nov 14, 2011 at 11:58:14AM +, Daniel P. Berrange wrote:
> On Mon, Nov 14, 2011 at 01:56:36PM +0200, Michael S. Tsirkin wrote:
> > On Mon, Nov 14, 2011 at 11:37:27AM +, Daniel P. Berrange wrote:
> > > On Mon, Nov 14, 2011 at 01:34:15PM +0200, Michael S. Tsirkin wrote:
> > > > On Mon,
On Mon, Nov 14, 2011 at 01:56:36PM +0200, Michael S. Tsirkin wrote:
> On Mon, Nov 14, 2011 at 11:37:27AM +, Daniel P. Berrange wrote:
> > On Mon, Nov 14, 2011 at 01:34:15PM +0200, Michael S. Tsirkin wrote:
> > > On Mon, Nov 14, 2011 at 11:29:18AM +, Daniel P. Berrange wrote:
> > > > On Mon,
On Mon, Nov 14, 2011 at 01:51:40PM +0200, Michael S. Tsirkin wrote:
> On Mon, Nov 14, 2011 at 11:37:27AM +, Daniel P. Berrange wrote:
> > On Mon, Nov 14, 2011 at 01:34:15PM +0200, Michael S. Tsirkin wrote:
> > > On Mon, Nov 14, 2011 at 11:29:18AM +, Daniel P. Berrange wrote:
> > > > On Mon,
On Mon, Nov 14, 2011 at 11:37:27AM +, Daniel P. Berrange wrote:
> On Mon, Nov 14, 2011 at 01:34:15PM +0200, Michael S. Tsirkin wrote:
> > On Mon, Nov 14, 2011 at 11:29:18AM +, Daniel P. Berrange wrote:
> > > On Mon, Nov 14, 2011 at 12:21:53PM +0100, Kevin Wolf wrote:
> > > > Am 14.11.2011 1
On Mon, Nov 14, 2011 at 11:37:27AM +, Daniel P. Berrange wrote:
> On Mon, Nov 14, 2011 at 01:34:15PM +0200, Michael S. Tsirkin wrote:
> > On Mon, Nov 14, 2011 at 11:29:18AM +, Daniel P. Berrange wrote:
> > > On Mon, Nov 14, 2011 at 12:21:53PM +0100, Kevin Wolf wrote:
> > > > Am 14.11.2011 1
On Mon, Nov 14, 2011 at 01:34:15PM +0200, Michael S. Tsirkin wrote:
> On Mon, Nov 14, 2011 at 11:29:18AM +, Daniel P. Berrange wrote:
> > On Mon, Nov 14, 2011 at 12:21:53PM +0100, Kevin Wolf wrote:
> > > Am 14.11.2011 12:08, schrieb Daniel P. Berrange:
> > > > On Mon, Nov 14, 2011 at 12:24:22PM
On Mon, Nov 14, 2011 at 11:29:18AM +, Daniel P. Berrange wrote:
> > Do you have some more details on the kind of errors? Missing files,
> > permissions, something like this? Or rather something related to the
> > actual content of an image file?
>
> Missing files due to wrong/missing NFS mount
On Mon, Nov 14, 2011 at 11:29:18AM +, Daniel P. Berrange wrote:
> On Mon, Nov 14, 2011 at 12:21:53PM +0100, Kevin Wolf wrote:
> > Am 14.11.2011 12:08, schrieb Daniel P. Berrange:
> > > On Mon, Nov 14, 2011 at 12:24:22PM +0200, Michael S. Tsirkin wrote:
> > >> On Mon, Nov 14, 2011 at 10:16:10AM
On Mon, Nov 14, 2011 at 11:08:02AM +, Daniel P. Berrange wrote:
> On Mon, Nov 14, 2011 at 12:24:22PM +0200, Michael S. Tsirkin wrote:
> > On Mon, Nov 14, 2011 at 10:16:10AM +, Daniel P. Berrange wrote:
> > > On Sat, Nov 12, 2011 at 12:25:34PM +0200, Avi Kivity wrote:
> > > > On 11/11/2011 1
On Mon, Nov 14, 2011 at 12:21:53PM +0100, Kevin Wolf wrote:
> Am 14.11.2011 12:08, schrieb Daniel P. Berrange:
> > On Mon, Nov 14, 2011 at 12:24:22PM +0200, Michael S. Tsirkin wrote:
> >> On Mon, Nov 14, 2011 at 10:16:10AM +, Daniel P. Berrange wrote:
> >>> On Sat, Nov 12, 2011 at 12:25:34PM +0
Am 14.11.2011 12:08, schrieb Daniel P. Berrange:
> On Mon, Nov 14, 2011 at 12:24:22PM +0200, Michael S. Tsirkin wrote:
>> On Mon, Nov 14, 2011 at 10:16:10AM +, Daniel P. Berrange wrote:
>>> On Sat, Nov 12, 2011 at 12:25:34PM +0200, Avi Kivity wrote:
On 11/11/2011 12:15 PM, Kevin Wolf wrote
On Mon, Nov 14, 2011 at 12:24:22PM +0200, Michael S. Tsirkin wrote:
> On Mon, Nov 14, 2011 at 10:16:10AM +, Daniel P. Berrange wrote:
> > On Sat, Nov 12, 2011 at 12:25:34PM +0200, Avi Kivity wrote:
> > > On 11/11/2011 12:15 PM, Kevin Wolf wrote:
> > > > Am 10.11.2011 22:30, schrieb Anthony Ligu
On Mon, Nov 14, 2011 at 10:16:10AM +, Daniel P. Berrange wrote:
> On Sat, Nov 12, 2011 at 12:25:34PM +0200, Avi Kivity wrote:
> > On 11/11/2011 12:15 PM, Kevin Wolf wrote:
> > > Am 10.11.2011 22:30, schrieb Anthony Liguori:
> > > > Live migration with qcow2 or any other image format is just not
On Sat, Nov 12, 2011 at 12:25:34PM +0200, Avi Kivity wrote:
> On 11/11/2011 12:15 PM, Kevin Wolf wrote:
> > Am 10.11.2011 22:30, schrieb Anthony Liguori:
> > > Live migration with qcow2 or any other image format is just not going to
> > > work
> > > right now even with proper clustered storage.
On Mon, Nov 14, 2011 at 10:58:16AM +0100, Kevin Wolf wrote:
> Am 12.11.2011 11:25, schrieb Avi Kivity:
> > On 11/11/2011 12:15 PM, Kevin Wolf wrote:
> >> Am 10.11.2011 22:30, schrieb Anthony Liguori:
> >>> Live migration with qcow2 or any other image format is just not going to
> >>> work
> >>> r
Am 12.11.2011 11:25, schrieb Avi Kivity:
> On 11/11/2011 12:15 PM, Kevin Wolf wrote:
>> Am 10.11.2011 22:30, schrieb Anthony Liguori:
>>> Live migration with qcow2 or any other image format is just not going to
>>> work
>>> right now even with proper clustered storage. I think doing a block leve
On 11/12/2011 08:43 AM, Avi Kivity wrote:
On 11/12/2011 03:39 PM, Anthony Liguori wrote:
On 11/12/2011 04:27 AM, Avi Kivity wrote:
On 11/11/2011 04:03 PM, Anthony Liguori wrote:
I don't view not supporting migration with image formats as a
regression as it's never been a feature we've support
On 11/12/2011 03:39 PM, Anthony Liguori wrote:
> On 11/12/2011 04:27 AM, Avi Kivity wrote:
>> On 11/11/2011 04:03 PM, Anthony Liguori wrote:
>>>
>>> I don't view not supporting migration with image formats as a
>>> regression as it's never been a feature we've supported. While there
>>> might be c
On 11/12/2011 03:30 PM, Anthony Liguori wrote:
>> Nor can you yank support for migration this way. Might as well put a
>> big sign on 1.0, "Do Not Use This Release".
>
>
> You're joking, right?
No.
>
> Let's be very clear. Live migration works perfectly fine when you use
> raw images and cohere
On 11/12/2011 04:27 AM, Avi Kivity wrote:
On 11/11/2011 04:03 PM, Anthony Liguori wrote:
I don't view not supporting migration with image formats as a
regression as it's never been a feature we've supported. While there
might be confusion about support around NFS, I think it's always been
clea
On 11/12/2011 04:20 AM, Avi Kivity wrote:
On 11/10/2011 07:54 PM, Anthony Liguori wrote:
IMO, this should be a release blocker. qemu 1.0 only supporting
migration on enterprise storage?
No, this is not going to block the release.
You can't dump patches on the ML during -rc for an issue that
On 11/11/2011 04:03 PM, Anthony Liguori wrote:
>
> I don't view not supporting migration with image formats as a
> regression as it's never been a feature we've supported. While there
> might be confusion about support around NFS, I think it's always been
> clear that image formats cannot be used.
On 11/11/2011 12:15 PM, Kevin Wolf wrote:
> Am 10.11.2011 22:30, schrieb Anthony Liguori:
> > Live migration with qcow2 or any other image format is just not going to
> > work
> > right now even with proper clustered storage. I think doing a block level
> > flush
> > cache interface and lettin
On 11/10/2011 07:54 PM, Anthony Liguori wrote:
>> IMO, this should be a release blocker. qemu 1.0 only supporting
>> migration on enterprise storage?
>
>
> No, this is not going to block the release.
>
> You can't dump patches on the ML during -rc for an issue that has been
> understood for well o
On 11/11/2011 08:44 AM, Kevin Wolf wrote:
Am 11.11.2011 15:35, schrieb Anthony Liguori:
This is not a bug fix, this is a new feature. We're long past feature freeze.
It's not a simple and obvious fix either. It only partially fixes the problem
and introduces other problems. It's not a good ca
Am 11.11.2011 15:35, schrieb Anthony Liguori:
> On 11/11/2011 08:29 AM, Kevin Wolf wrote:
>> Am 11.11.2011 15:03, schrieb Anthony Liguori:
>>> On 11/11/2011 04:15 AM, Kevin Wolf wrote:
Am 10.11.2011 22:30, schrieb Anthony Liguori:
> Live migration with qcow2 or any other image format is ju
On 11/11/2011 08:29 AM, Kevin Wolf wrote:
Am 11.11.2011 15:03, schrieb Anthony Liguori:
On 11/11/2011 04:15 AM, Kevin Wolf wrote:
Am 10.11.2011 22:30, schrieb Anthony Liguori:
Live migration with qcow2 or any other image format is just not going to work
right now even with proper clustered sto
Am 11.11.2011 15:03, schrieb Anthony Liguori:
> On 11/11/2011 04:15 AM, Kevin Wolf wrote:
>> Am 10.11.2011 22:30, schrieb Anthony Liguori:
>>> Live migration with qcow2 or any other image format is just not going to
>>> work
>>> right now even with proper clustered storage. I think doing a block
On 11/11/2011 04:15 AM, Kevin Wolf wrote:
Am 10.11.2011 22:30, schrieb Anthony Liguori:
Live migration with qcow2 or any other image format is just not going to work
right now even with proper clustered storage. I think doing a block level flush
cache interface and letting block devices decide
Am 10.11.2011 22:30, schrieb Anthony Liguori:
> Live migration with qcow2 or any other image format is just not going to work
> right now even with proper clustered storage. I think doing a block level
> flush
> cache interface and letting block devices decide how to do it is the best
> approa
On 11/10/2011 12:27 PM, Anthony Liguori wrote:
On 11/10/2011 02:55 AM, Avi Kivity wrote:
If we have to delay the release for a month to get it right, we should.
Not that I think we have to.
Adding libvirt to the discussion.
What does libvirt actually do in the monitor prior to migration comp
On 11/10/2011 02:06 PM, Daniel P. Berrange wrote:
On Thu, Nov 10, 2011 at 01:11:42PM -0600, Anthony Liguori wrote:
On 11/10/2011 12:42 PM, Daniel P. Berrange wrote:
On Thu, Nov 10, 2011 at 12:27:30PM -0600, Anthony Liguori wrote:
What does libvirt actually do in the monitor prior to migration
On Thu, Nov 10, 2011 at 01:11:42PM -0600, Anthony Liguori wrote:
> On 11/10/2011 12:42 PM, Daniel P. Berrange wrote:
> >On Thu, Nov 10, 2011 at 12:27:30PM -0600, Anthony Liguori wrote:
> >>What does libvirt actually do in the monitor prior to migration
> >>completing on the destination? The least
On 11/10/2011 12:42 PM, Daniel P. Berrange wrote:
On Thu, Nov 10, 2011 at 12:27:30PM -0600, Anthony Liguori wrote:
What does libvirt actually do in the monitor prior to migration
completing on the destination? The least invasive way of doing
delayed open of block devices is probably to make -in
On Thu, Nov 10, 2011 at 12:27:30PM -0600, Anthony Liguori wrote:
> What does libvirt actually do in the monitor prior to migration
> completing on the destination? The least invasive way of doing
> delayed open of block devices is probably to make -incoming create a
> monitor and run a main loop b
On 11/10/2011 02:55 AM, Avi Kivity wrote:
On 11/09/2011 07:35 PM, Anthony Liguori wrote:
On 11/09/2011 11:02 AM, Avi Kivity wrote:
On 11/09/2011 06:39 PM, Anthony Liguori wrote:
Migration with qcow2 is not a supported feature for 1.0. Migration is
only supported with raw images using coheren
On 11/10/2011 04:41 AM, Kevin Wolf wrote:
Am 09.11.2011 22:01, schrieb Anthony Liguori:
On 11/09/2011 03:00 PM, Michael S. Tsirkin wrote:
On Wed, Nov 09, 2011 at 02:22:02PM -0600, Anthony Liguori wrote:
On 11/09/2011 02:18 PM, Michael S. Tsirkin wrote:
On Wed, Nov 09, 2011 at 11:35:54AM -0600
On 11/10/2011 02:55 AM, Avi Kivity wrote:
On 11/09/2011 07:35 PM, Anthony Liguori wrote:
On 11/09/2011 11:02 AM, Avi Kivity wrote:
On 11/09/2011 06:39 PM, Anthony Liguori wrote:
Migration with qcow2 is not a supported feature for 1.0. Migration is
only supported with raw images using coheren
On 11/10/2011 10:50 AM, Juan Quintela wrote:
Kevin Wolf wrote:
What I took from the feedback was that Kevin wanted to defer open until the
device model started. That eliminates the need to reopen or have a invalidation
callback.
I think it would be good for Kevin to comment here though becau
Am 09.11.2011 22:01, schrieb Anthony Liguori:
> On 11/09/2011 03:00 PM, Michael S. Tsirkin wrote:
>> On Wed, Nov 09, 2011 at 02:22:02PM -0600, Anthony Liguori wrote:
>>> On 11/09/2011 02:18 PM, Michael S. Tsirkin wrote:
On Wed, Nov 09, 2011 at 11:35:54AM -0600, Anthony Liguori wrote:
> On
On 11/09/2011 07:35 PM, Anthony Liguori wrote:
> On 11/09/2011 11:02 AM, Avi Kivity wrote:
>> On 11/09/2011 06:39 PM, Anthony Liguori wrote:
>>>
>>> Migration with qcow2 is not a supported feature for 1.0. Migration is
>>> only supported with raw images using coherent shared storage[1].
>>>
>>> [1
On 11/09/2011 03:00 PM, Michael S. Tsirkin wrote:
On Wed, Nov 09, 2011 at 02:22:02PM -0600, Anthony Liguori wrote:
On 11/09/2011 02:18 PM, Michael S. Tsirkin wrote:
On Wed, Nov 09, 2011 at 11:35:54AM -0600, Anthony Liguori wrote:
On 11/09/2011 11:02 AM, Avi Kivity wrote:
On 11/09/2011 06:39 P
On Wed, Nov 09, 2011 at 02:22:02PM -0600, Anthony Liguori wrote:
> On 11/09/2011 02:18 PM, Michael S. Tsirkin wrote:
> >On Wed, Nov 09, 2011 at 11:35:54AM -0600, Anthony Liguori wrote:
> >>On 11/09/2011 11:02 AM, Avi Kivity wrote:
> >>>On 11/09/2011 06:39 PM, Anthony Liguori wrote:
>
> Mig
On 11/09/2011 02:18 PM, Michael S. Tsirkin wrote:
On Wed, Nov 09, 2011 at 11:35:54AM -0600, Anthony Liguori wrote:
On 11/09/2011 11:02 AM, Avi Kivity wrote:
On 11/09/2011 06:39 PM, Anthony Liguori wrote:
Migration with qcow2 is not a supported feature for 1.0. Migration is
only supported wit
On Wed, Nov 09, 2011 at 11:35:54AM -0600, Anthony Liguori wrote:
> On 11/09/2011 11:02 AM, Avi Kivity wrote:
> >On 11/09/2011 06:39 PM, Anthony Liguori wrote:
> >>
> >>Migration with qcow2 is not a supported feature for 1.0. Migration is
> >>only supported with raw images using coherent shared sto
On 11/09/2011 11:02 AM, Avi Kivity wrote:
On 11/09/2011 06:39 PM, Anthony Liguori wrote:
Migration with qcow2 is not a supported feature for 1.0. Migration is
only supported with raw images using coherent shared storage[1].
[1] NFS is only coherent with close-to-open which right now is not
go
On 11/09/2011 06:39 PM, Anthony Liguori wrote:
>
> Migration with qcow2 is not a supported feature for 1.0. Migration is
> only supported with raw images using coherent shared storage[1].
>
> [1] NFS is only coherent with close-to-open which right now is not
> good enough for migration.
Say what?
On 11/09/2011 10:29 AM, Lucas Meneghel Rodrigues wrote:
Hi guys, here I am, reporting yet another issue with qemu. This time, it's
something that was first reported in January, and Juan proposed a patch for it:
http://comments.gmane.org/gmane.comp.emulators.qemu/89009
Migration with qcow2 is n
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