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[Qemu-discuss] Qemu compress file

From: Nguyễn Trường Sơn
Subject: [Qemu-discuss] Qemu compress file
Date: Tue, 3 Nov 2015 23:43:48 +0700

Hi all

I have a chain with two qcow2 files: base <- disk

My disk size increases too large, so i want to compress it.
I use the command line:
qemu convert -c -O qcow2 disk disk.compress -o backing_file=base

But when the compression is completed, my disk.compress seams to contain all the data in disk and base. I means, the size of disk.compress is larger than disk and base.

Can any one help?


Nguyễn Trường Sơn

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