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Re: Questions about how block devices use snapshots
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From: |
Kevin Wolf |
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Subject: |
Re: Questions about how block devices use snapshots |
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Date: |
Thu, 12 Jan 2023 12:47:13 +0100 |
Am 11.01.2023 um 17:21 hat Zhiyong Ye geschrieben:
> Hi Kevin,
>
> Can I ask again how base.img + diff.qcow2 can be re-merged into one image
> via qemu-img or hmp command when modified.img is discarded?
You can either use 'qemu-img commit' to copy all of the data from
diff.qcow2 back into base.img (this is probably what you want), or
'qemu-img rebase' to copy all of the data from base.img into diff.qcow2.
Kevin