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Re: [libvirt] [PATCH] qemu: Do not unlink managedsave image if restoring fails.

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

Oh, okay, I should read the full thread too. :)

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