Re: [Qemu-devel] [RFC] introduce bitmap to bdrv_commit to trackdirty sector

2015-03-09 Thread Fam Zheng
On Tue, 03/10 09:30, Zhang Haoyu wrote: > > On 2015-03-10 08:29:19, Fam Zheng wrote: > > On Mon, 03/09 16:14, Zhang Haoyu wrote: > > > Hi John, Vladimir > > > We can using active block commit to implement incremental backup without > > > guest disruption, > > > e.g., > > > origin <= A <= B <= C

Re: [Qemu-devel] [RFC] introduce bitmap to bdrv_commit to trackdirty sector

2015-03-09 Thread Zhang Haoyu
On 2015-03-10 08:29:19, Fam Zheng wrote: > On Mon, 03/09 16:14, Zhang Haoyu wrote: > > Hi John, Vladimir > > We can using active block commit to implement incremental backup without > > guest disruption, > > e.g., > > origin <= A <= B <= C <= current BDS, > > a new external snapshot will be pro