Hi Lidong Chen:
I forgot to use this option.I think the way you said is effective.I
will try it.Thank you very much for your help
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Title:
q
Hi Lidong Chen:
I used QEMU 2.0.0 on Ubuntu 14.04.
Do you mean your patch can make qemu-img convert qcow2 overlay into a new
overlay?
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Ti
Is there any way to remove holes from qcow2 overlay images? It's very
important to me. I am looking forward to your reply.
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Title:
qemu-img conv
Is there any way to remove holes from sparse qcow2 overlay? It's very
important to me. I am looking forward to your reply.
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Title:
qemu-img conv
** Attachment added: "qemu-img map new.qcow2 output"
https://bugs.launchpad.net/qemu/+bug/1662050/+attachment/4818564/+files/qemu_img_map_new_qcow2.txt
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** Attachment added: "stat new.qcow2 output"
https://bugs.launchpad.net/qemu/+bug/1662050/+attachment/4818563/+files/stat_new_qcow2.txt
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Title
** Attachment added: "qemu-img map delta.qcow2 output"
https://bugs.launchpad.net/qemu/+bug/1662050/+attachment/4818562/+files/qemu_img_map_delta_qcow2.txt
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** Attachment added: "stat delta.qcow2 output"
https://bugs.launchpad.net/qemu/+bug/1662050/+attachment/4818561/+files/stat_delta_qcow2.txt
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T
@Eric Blake, I used virt-sparsify to sparsify the qcow2 overlay image.
As you said, the actual disk usage is minimized and the apparent file
size is unchanged.It is very valuable for me, because it means that my
disk can hold more files.
But we need to be careful when transfer the sparse qcow2 ove
@Thomas Huth, I just want to reduce the file size of qcow2 overlay image
by this conversion.
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Title:
qemu-img convert a overlay qcow2 image into
@Thomas Huth, when we use qemu-img to convert a image "A" and will get a
new image "B" which is equivalent to "A" . But "B" may be a lot
different from "A",such as file size. The file size of "B" is usually
less than "A" and this is very valuable to me. So I can't simply do a
"cp delta.qcow2 new.qc
** Description changed:
I have a base image file "base.qcow2" and a delta qcow2 image file
"delta.qcow2" whose backing file is "base.qcow2".
Now I use qemu-img to convert "delta.qcow2" and will get a new image
file "new.qcow2" which is entire and equivalent to combination of
"base.qco
@Eric Blake. Sorry, I didn't make it clear. In fact, I don't want to get
a complete image. I just want to convert qcow2 overlay and get a new
qcow2 overlay. Maybe you think my intention is meaningless， but this is
what I want.
** Changed in: qemu
Status: Invalid => Incomplete
** Descriptio
@Eric Blake, Thanks very much for your help. In your way, I have
verified that this feature already exists.
** Changed in: qemu
Status: New => Invalid
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** Summary changed:
- qemu-img convert a overlay qcow2 image into a complete image
+ qemu-img convert a overlay qcow2 image into a entire image
** Description changed:
I have a base image file "base.qcow2" and a delta qcow2 image file
"delta.qcow2" whose backing file is "base.qcow2".
No
** Summary changed:
- qemu-img convert a delta qcow2 image into a complete image
+ qemu-img convert a overlay qcow2 image into a complete image
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Public bug reported:
I have a base image file "base.qcow2" and a delta qcow2 image file
"delta.qcow2" whose backing file is "base.qcow2".
Now I use qemu-img to convert "delta.qcow2" and will get a new image
file "new.qcow2" which is complete and equivalent to combination of
"base.qcow2" and "delt
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