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tests: Use explicit backing format for all backing disks.

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Libvirt 6.0 now requires that every disk in the backing chain has an
explicit backing format.  For example this will be rejected by
libvirt:

  qemu-img create -f qcow2 -b backing-disk disk.qcow2

with the error:

  Original error from libvirt: Requested operation is not valid:
  format of backing image 'backing-disk' of image 'disk.qcow2' was not
  specified in the image metadata (See
  https://libvirt.org/kbase/backing_chains.html for troubleshooting)
  [code=55 int1=-1]

Instead you have to use the -F option to specify the format, eg:

  qemu-img create -f qcow2 -b backing-disk -F raw disk.qcow2
This commit is contained in:
Richard W.M. Jones
2020-02-06 15:47:54 +00:00
parent 56834875b2
commit 815eab8a66
3 changed files with 17 additions and 17 deletions
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2
test-data/blank-disks/Makefile.am
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@@ -50,4 +50,4 @@ blank-disk-1M.qcow2:
qemu-img create -f qcow2 -o preallocation=metadata $@ 1M
blank-disk-with-backing.qcow2: blank-disk-1M.raw
qemu-img create -f qcow2 -b $^ $@
qemu-img create -f qcow2 -b $^ -F raw $@