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Re: [Qemu-devel] The image size of instance VM keeps growing

From: Stefan Hajnoczi
Subject: Re: [Qemu-devel] The image size of instance VM keeps growing
Date: Mon, 21 May 2012 09:44:29 +0100

On Mon, May 21, 2012 at 8:47 AM, Charles.Tsai-蔡清海-研究發展部
<address@hidden> wrote:
> Ideally, the image size of instance VM is supposed to remain in a smaller
> size than the based-image. Why does it keep growing in size which is even
> bigger than that of based-image? Our VM, in fact, did nothing during the
> idle state.

The guest is probably issuing I/O.  Are there Windows tools you can
use to see which process or kernel component is issuing I/O?

You can try running qemu-img check <image-file> to ensure that the
qcow2 file is consistent.  Error messages will be printed if there are
leaks or corruptions in the qcow2 file.


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