Hi,
Could you give me some help?
Thanks very much.

Best Regards.

2015-12-30 19:31 GMT+08:00 Huan Zhang <huan.zhang...@gmail.com>:

> Hi,
> We are finding a way to do rollback for qcow2 in production environment,
> But we can't ensure the below way will work well, and user data are safe.
>
> for example,
> snap0.qcow2 -> snap1.qcow2 ->snap2.qcow2 -> active.qcow2
>
> rollback to snap1 using convert && rebase -u:
> 1. qemu-img convert -O qcow2 snap1.qcow2 rollback.qcow2
> 2. qemu-img -u -b snap2.qcow2 rollback.qcow2
>
> Test pass with data.  But in theory, could someone give me a positive
> answer?
>
> Appreciate to get your reply!
>
>
> Best Regards.
> Huan Zhang.
>
>
>

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