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Re: [Qemu-devel] [PATCH] Create the VMDK snapshot from the QEMU monitor.

From: Anthony Liguori
Subject: Re: [Qemu-devel] [PATCH] Create the VMDK snapshot from the QEMU monitor.
Date: Tue, 26 Dec 2006 11:24:52 -0600
User-agent: Thunderbird (X11/20061115)

Hi Igor,

Out of curiousity, why didn't you use the new snapshot infrastructure that Fabrice introduced in CVS? Shouldn't the CID just map directly to a snapshot tag?


Anthony Liguori

Igor Lvovsky wrote:


This patch completes the previous one and allows the snapshot (VMDK style) creation from the QEMU monitor (Ctrl+Alt+2).

To clarify, the previous patch implements the snapshot capabilities according to the "Virtual Disk Format 1.0" document.


Implemented features:

   1. Create snapshot.
   2. CID concept to prevent snapshots chain inconsistency.
   3. Snapshots read/write capabilities.

The whole chain (base image and snapshots) created by QEMU can be loaded from the VMware workstation and vice versa.

Igor Lvovsky.


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