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[Qemu-block] qemu-img behavior for locating backing files
From: |
John Snow |
Subject: |
[Qemu-block] qemu-img behavior for locating backing files |
Date: |
Wed, 01 Apr 2015 12:16:57 -0400 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.5.0 |
Kevin, what's the correct behavior for qemu-img and relative paths when
creating a new qcow2 file?
Example:
(in e.g. /home/qemu/build/ or anywhere not /home: )
qemu-img create -f qcow2 base.qcow2 32G
qemu-img create -f qcow2 -F qcow2 -b base.qcow2 /home/overlay.qcow2
In 1.7.0., this produces a warning that the base object cannot be found
(because it does not exist at that location relative to overlay.qcow2),
but qemu-img will create the qcow2 for you regardless.
2.0, 2.1 and 2.2 all will create the image successfully, with no warnings.
2.3-rc1/master as they exist now will emit an error message and create
no image.
Since this is a change in behavior for the pending release, is this the
correct/desired behavior?
- [Qemu-block] qemu-img behavior for locating backing files,
John Snow <=