On Wed, Feb 11, 2015 at 05:57:25PM +0400, Vasiliy Tolstov wrote: > 2015-02-11 15:43 GMT+03:00 Liu Yuan <namei.u...@gmail.com>: > > This scheme can build on the sheepdog's current features: > > > > 0 use qemu-img (recommenced because better performance) or dog to read the > > base > > vdi. > > > > 1 use dog to backup the delta data for different snapshots takben by > > qemu-img snapshot or dog vdi snapshot. > > > > 2 manage the delta data and the base for the user defined snapshots > > relations > > by the upper layer > > > > 3 use SD http storage to store the base and delta data. > > > > I guess you need something as the middle layer to map the user defined > > snapshots > > to sheepdog's base and delta data and implement gc in this middle layer. > > Authentication would be better implementated in this middleware. > > > Nice =)! So questions is: > 0 - i need to run qemu-img snapshot sheepdog:base.img ?
qemu-img snapshot sheepdog:your_vdi will snapshot this vdi and switch to the new vdi, the old vdi will be marked as snapshot. > 1 - can you provide cmdline for dog to understand what i need See this https://github.com/sheepdog/sheepdog/wiki/Image-Backup Thanks Yuan -- sheepdog mailing list sheepdog@lists.wpkg.org https://lists.wpkg.org/mailman/listinfo/sheepdog
