Re: [Qemu-devel] Issue with snapshot outside qcow2 disk - qemu 0.14.0

2011-03-11 Thread SAURAV LAHIRI
and Regards Saurav Lahiri --- On Fri, 11/3/11, Jes Sorensen jes.soren...@redhat.com wrote: From: Jes Sorensen jes.soren...@redhat.com Subject: Re: [Qemu-devel] Issue with snapshot outside qcow2 disk - qemu 0.14.0 To: Stefan Hajnoczi stefa...@gmail.com Cc: SAURAV LAHIRI saurav_lah...@yahoo.com, qemu-devel

Re: [Qemu-devel] Issue with snapshot outside qcow2 disk - qemu 0.14.0

2011-03-11 Thread Jes Sorensen
On 03/11/11 10:39, SAURAV LAHIRI wrote: Thank you Stefan, Jes. So it appears that snapshot_blkdev is the way to go for vm disk backup with running vms. In regard to merging changes, assuming that we go snapshot_blkdev rightaway. Stefan's suggestion: qemu-img commit Jes's suggestion:

Re: [Qemu-devel] Issue with snapshot outside qcow2 disk - qemu 0.14.0

2011-03-11 Thread Stefan Hajnoczi
On Fri, Mar 11, 2011 at 9:50 AM, Jes Sorensen jes.soren...@redhat.com wrote: On 03/11/11 10:39, SAURAV LAHIRI wrote: Thank you Stefan, Jes. So it appears that snapshot_blkdev is the way to go for vm disk backup with running vms. In regard to merging changes, assuming that we go

Re: [Qemu-devel] Issue with snapshot outside qcow2 disk - qemu 0.14.0

2011-03-11 Thread SAURAV LAHIRI
...@redhat.com wrote: From: Jes Sorensen jes.soren...@redhat.com Subject: Re: [Qemu-devel] Issue with snapshot outside qcow2 disk - qemu 0.14.0 To: SAURAV LAHIRI saurav_lah...@yahoo.com Cc: Stefan Hajnoczi stefa...@gmail.com, qemu-devel@nongnu.org Date: Friday, 11 March, 2011, 5:50 On 03/11/11 10:39, SAURAV

Re: [Qemu-devel] Issue with snapshot outside qcow2 disk - qemu 0.14.0

2011-03-11 Thread SAURAV LAHIRI
Thank you Stefan that does clarify on how to correctly use qemu-img commit Regards sl --- On Fri, 11/3/11, Stefan Hajnoczi stefa...@gmail.com wrote: From: Stefan Hajnoczi stefa...@gmail.com Subject: Re: [Qemu-devel] Issue with snapshot outside qcow2 disk - qemu 0.14.0 To: SAURAV LAHIRI

Re: [Qemu-devel] Issue with snapshot outside qcow2 disk - qemu 0.14.0

2011-03-10 Thread SAURAV LAHIRI
-devel] Issue with snapshot outside qcow2 disk - qemu 0.14.0 To: Stefan Hajnoczi stefa...@gmail.com Cc: SAURAV LAHIRI saurav_lah...@yahoo.com, qemu-devel@nongnu.org Date: Thursday, 10 March, 2011, 5:59 On 03/10/11 10:58, Stefan Hajnoczi wrote: On Thu, Mar 10, 2011 at 9:32 AM, Jes Sorensen

Re: [Qemu-devel] Issue with snapshot outside qcow2 disk - qemu 0.14.0

2011-03-10 Thread Stefan Hajnoczi
On Thu, Mar 10, 2011 at 7:57 PM, SAURAV LAHIRI saurav_lah...@yahoo.com wrote: The high level use case is that of being able to backup user specified disks of a VM without having to bring down the VM. Excellent, that sounds exactly like Jes is addressing so future QEMU/KVM releases will

Re: [Qemu-devel] Issue with snapshot outside qcow2 disk - qemu 0.14.0

2011-03-10 Thread Jes Sorensen
On 03/10/11 22:04, Stefan Hajnoczi wrote: On Thu, Mar 10, 2011 at 7:57 PM, SAURAV LAHIRI saurav_lah...@yahoo.com wrote: The high level use case is that of being able to backup user specified disks of a VM without having to bring down the VM. Excellent, that sounds exactly like Jes is