[Libguestfs] [PATCH] builder: Document using 'qemu-img amend' for RHEL 6 compat (RHBZ#1204131).

--- builder/virt-builder.pod | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/builder/virt-builder.pod b/builder/virt-builder.pod index 67e017f..545b134 100644 --- a/builder/virt-builder.pod +++ b/builder/virt-builder.pod @@ -280,6 +280,12 @@ For ordinary builds, this selects the output format. The default is I<raw>. With I<--get-kernel> this specifies the input format. +To create an old-style qcow2 file (for compatibility with RHEL 6 or +very old qemu E<lt> 1.1), after running virt-builder, use this +command: + + qemu-img amend -f qcow2 -o compat=0.10 output.qcow2 + =item B<--get-kernel> IMAGE This option extracts the kernel and initramfs from a previously built -- 2.5.0