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Re: [Qemu-discuss] Difference between commit and rebase

From: lampahome
Subject: Re: [Qemu-discuss] Difference between commit and rebase
Date: Tue, 27 Aug 2019 10:39:09 +0800

> It won’t do so by reading any clusters.  It just checks metadata to see
> which clusters are allocated above the base image, and then writes those
> to the base.
> So conclusion below:

qemu-img commit: only commit allocated clusters to base images.
qemu-img rebase: compare each cluster if they're the same before
committing. Commit cluster if difference.

Do I misunderstand?

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