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From: xuanmao_001 <xuanmao_001@163.com>
To: qemu-devel <qemu-devel@nongnu.org>,
	qemu-discuss <qemu-discuss@nongnu.org>
Cc: Kevin Wolf <kwolf@redhat.com>
Subject: [Qemu-devel] qemu-img convert will increase the VM image
Date: Wed, 11 Sep 2013 15:14:52 +0800	[thread overview]
Message-ID: <2013091115145240614211@163.com> (raw)

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Hi, all:

I have question about qemu-img convert ...

I have a orignal image with following information:
# qemu-img info ori.qcow2       
image: ori.qcow2
file format: qcow2
virtual size: 2.0G (2097152000 bytes)
disk size: 308M
cluster_size: 65536

when I executed with "qemu-img convert -f qcow2 -O qcow2 ori.qcow2 new.qcow2"
the new.qcow2 like following:
# qemu-img info new.qcow2 
image: new.qcow2
file format: qcow2
virtual size: 2.0G (2097152000 bytes)
disk size: 748M
cluster_size: 65536

so, my question is why the image size increased after my operation?

thanks.




xuanmao_001

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             reply	other threads:[~2013-09-11  7:15 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-09-11  7:14 xuanmao_001 [this message]
2013-09-11  8:28 ` [Qemu-devel] qemu-img convert will increase the VM image Kevin Wolf
2013-09-11  8:50   ` xuanmao_001

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