[pve-devel] [PATCH v2 qemu-server 1/7] drive: remove ancient 'cow' from formats

[Fiona Ebner]

The format was dropped in QEMU binary version 2.2 with commit
550830f935 ("block: delete cow block driver").

Very old backups might still include this format as a hint (the data
in the backup is present in raw/chunk format in any case), but that is
not an issue. Restore already checks that the target storage supports
a given format and defaults to the default format of the storage if
the hint does not apply.

Signed-off-by: Fiona Ebner <f.ebner at proxmox.com>
---
 PVE/QemuServer/Drive.pm | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/PVE/QemuServer/Drive.pm b/PVE/QemuServer/Drive.pm
index 1041c1dd..81e1aa04 100644
--- a/PVE/QemuServer/Drive.pm
+++ b/PVE/QemuServer/Drive.pm
@@ -26,11 +26,11 @@ parse_drive
 print_drive
 );
 
-our $QEMU_FORMAT_RE = qr/raw|cow|qcow|qcow2|qed|vmdk|cloop/;
+our $QEMU_FORMAT_RE = qr/raw|qcow|qcow2|qed|vmdk|cloop/;
 
 PVE::JSONSchema::register_standard_option('pve-qm-image-format', {
     type => 'string',
-    enum => [qw(raw cow qcow qed qcow2 vmdk cloop)],
+    enum => [qw(raw qcow qed qcow2 vmdk cloop)],
     description => "The drive's backing file's data format.",
     optional => 1,
 });
-- 
2.39.5