From ef86170e9fc25a85231b0e6fd50ef72ee41f814c Mon Sep 17 00:00:00 2001
From: Alexandre Derumier <aderumier@odiso.com>
Date: Wed, 27 Feb 2013 07:47:11 +0100
Subject: [PATCH] bugfix #340 : don't set cache=none to cdrom

Cdrom devices don't works with cache=none and no reason to force cache mode on cdrom

Signed-off-by: Alexandre Derumier <aderumier@odiso.com>
---
 PVE/QemuServer.pm | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/PVE/QemuServer.pm b/PVE/QemuServer.pm
index a9ba77ce..970edb57 100644
--- a/PVE/QemuServer.pm
+++ b/PVE/QemuServer.pm
@@ -1106,7 +1106,7 @@ sub print_drive_full {
 	}
     }
 
-    $opts .= ",cache=none" if !$drive->{cache};
+    $opts .= ",cache=none" if !$drive->{cache} && !drive_is_cdrom($drive);
 
     my $pathinfo = $path ? "file=$path," : '';