Re: [Qemu-devel] [PATCH v2 0/5]: QMP: Proper thin provisioning support

2011-08-04 Thread Luiz Capitulino
On Thu, 04 Aug 2011 11:19:31 +0200 Markus Armbruster wrote: > Kevin Wolf writes: > > > Am 03.08.2011 20:08, schrieb Luiz Capitulino: > >> On Wed, 03 Aug 2011 17:39:04 +0200 > >> Kevin Wolf wrote: > >> > >>> Am 03.08.2011 17:19, schrieb Luiz Capitulino: > Roughly speaking, thin provisioni

Re: [Qemu-devel] [PATCH v2 0/5]: QMP: Proper thin provisioning support

2011-08-04 Thread Markus Armbruster
Kevin Wolf writes: > Am 03.08.2011 20:08, schrieb Luiz Capitulino: >> On Wed, 03 Aug 2011 17:39:04 +0200 >> Kevin Wolf wrote: >> >>> Am 03.08.2011 17:19, schrieb Luiz Capitulino: Roughly speaking, thin provisioning is a feature where the VM is started with a small disk and space

Re: [Qemu-devel] [PATCH v2 0/5]: QMP: Proper thin provisioning support

2011-08-04 Thread Kevin Wolf
Am 03.08.2011 20:08, schrieb Luiz Capitulino: > On Wed, 03 Aug 2011 17:39:04 +0200 > Kevin Wolf wrote: > >> Am 03.08.2011 17:19, schrieb Luiz Capitulino: >>> Roughly speaking, thin provisioning is a feature where the VM is started >>> with >>> a small disk and space is allocated on demand. >>> >

Re: [Qemu-devel] [PATCH v2 0/5]: QMP: Proper thin provisioning support

2011-08-03 Thread Luiz Capitulino
On Wed, 3 Aug 2011 20:26:30 +0200 Christoph Hellwig wrote: > On Wed, Aug 03, 2011 at 03:11:38PM -0300, Luiz Capitulino wrote: > > > > It's already possible for QMP clients to implement this feature by using > > > > the BLOCK_IO_ERROR event. However, the event can be missed. When this > > > > happ

Re: [Qemu-devel] [PATCH v2 0/5]: QMP: Proper thin provisioning support

2011-08-03 Thread Christoph Hellwig
On Wed, Aug 03, 2011 at 03:11:38PM -0300, Luiz Capitulino wrote: > > > It's already possible for QMP clients to implement this feature by using > > > the BLOCK_IO_ERROR event. However, the event can be missed. When this > > > happens QMP clients need a way to query if any block device has hit a > >

Re: [Qemu-devel] [PATCH v2 0/5]: QMP: Proper thin provisioning support

2011-08-03 Thread Luiz Capitulino
On Wed, 3 Aug 2011 18:31:31 +0200 Christoph Hellwig wrote: > > It's already possible for QMP clients to implement this feature by using > > the BLOCK_IO_ERROR event. However, the event can be missed. When this > > happens QMP clients need a way to query if any block device has hit a > > no space

Re: [Qemu-devel] [PATCH v2 0/5]: QMP: Proper thin provisioning support

2011-08-03 Thread Luiz Capitulino
On Wed, 03 Aug 2011 17:39:04 +0200 Kevin Wolf wrote: > Am 03.08.2011 17:19, schrieb Luiz Capitulino: > > Roughly speaking, thin provisioning is a feature where the VM is started > > with > > a small disk and space is allocated on demand. > > > > It's already possible for QMP clients to implemen

Re: [Qemu-devel] [PATCH v2 0/5]: QMP: Proper thin provisioning support

2011-08-03 Thread Christoph Hellwig
> It's already possible for QMP clients to implement this feature by using > the BLOCK_IO_ERROR event. However, the event can be missed. When this > happens QMP clients need a way to query if any block device has hit a > no space condition. We have a mode where we stop the VM when it hits ENOSPC,

Re: [Qemu-devel] [PATCH v2 0/5]: QMP: Proper thin provisioning support

2011-08-03 Thread Kevin Wolf
Am 03.08.2011 17:19, schrieb Luiz Capitulino: > Roughly speaking, thin provisioning is a feature where the VM is started with > a small disk and space is allocated on demand. > > It's already possible for QMP clients to implement this feature by using > the BLOCK_IO_ERROR event. However, the event