---
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
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