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Re: [Qemu-devel] [PATCH v4 19/20] iotests: add simple incremental backup
From: |
Stefan Hajnoczi |
Subject: |
Re: [Qemu-devel] [PATCH v4 19/20] iotests: add simple incremental backup case |
Date: |
Tue, 7 Apr 2015 14:00:09 +0100 |
User-agent: |
Mutt/1.5.23 (2014-03-12) |
On Mon, Apr 06, 2015 at 05:49:10PM -0400, John Snow wrote:
> Is it really that unsafe? I could add in an explicit pause/resume barrier
> around the check if that would help inspire some confidence in the test.
There are many cases where it happens to work, but we always tell users
never to do this because we cannot guarantee it is safe.
I don't think tests should be doing something that is unsupported and
could break subtly.
Stefan
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