Re: A Live Backup feature for KVM

2011-04-25 Thread Jagane Sundar
On 4/25/2011 6:34 AM, Stefan Hajnoczi wrote: On Mon, Apr 25, 2011 at 9:16 AM, Jagane Sundar wrote: The direction that I chose to go is slightly different. In both of the proposals you pointed me at, the original virtual disk is made read-only and the VM writes to a different COW file. After bac

Re: A Live Backup feature for KVM

2011-04-25 Thread Stefan Hajnoczi
On Mon, Apr 25, 2011 at 9:16 AM, Jagane Sundar wrote: > The direction that I chose to go is slightly different. In both of the > proposals you pointed me at, the original virtual disk is made > read-only and the VM writes to a different COW file. After backup > of the original virtual disk file is

Re: A Live Backup feature for KVM

2011-04-25 Thread Jagane Sundar
Hello Stefan, It's good to know that live snapshots and online backup are useful functions. I read through the two snapshot proposals that you pointed me at. The direction that I chose to go is slightly different. In both of the proposals you pointed me at, the original virtual disk is made rea

Re: A Live Backup feature for KVM

2011-04-24 Thread Stefan Hajnoczi
On Sun, Apr 24, 2011 at 12:17 AM, Jagane Sundar wrote: > I would like to get your input on a KVM feature that I am > currently developing. > > What it does is this - it can perform full and incremental > disk backups of running KVM VMs, where a backup is defined > as a snapshot of the disk state o