于 2011年04月06日 22:25, Eric Blake 写道:
On 04/06/2011 07:11 AM, Daniel Berteaud wrote:
The problem there is that you are changing the command behaviour. The user may snapshot the disk separately and use this to implement a simplified domain snapshot. Doing the remove may avoid troubles for those not knowing what they are doing, but also break something for those who know what they are doing.
I completely agree, virsh restore shouldn't remove the saved state. I often use this and restore several time the same dump, because I independently save (and restore) the VM disk.
Hmm, I should read the full thread before replying. Altering a saved image to mark it as successfully restored would potentially interfere with this usage pattern (you'd either have to pass --force to the restore to override the bit, or we'd have to introduce a new command that can be used to easily remove the bit to be called in tandem with rewinding disk state back to its earlier point).
I guess what that means for today is that this patch series should focus just on managedsave behavior, and for save/restore should focus only on documentation.
Oh, okay, I should read the full thread too. :)
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