From 24ccfd748b1271ff0683ee4066a1d8b9bb8f737f Mon Sep 17 00:00:00 2001
From: Johan Euphrosine <proppy@google.com>
Date: Thu, 19 Jul 2012 13:15:00 +0200
Subject: [PATCH] Add note in admin guide about drbd stacked devices

Fixes: http://code.google.com/p/ganeti/issues/detail?id=251
Signed-off-by: Iustin Pop <iustin@google.com>
Reviewed-by: Iustin Pop <iustin@google.com>
---
 doc/admin.rst | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/doc/admin.rst b/doc/admin.rst
index 80028e6ec..d7f70f585 100644
--- a/doc/admin.rst
+++ b/doc/admin.rst
@@ -138,6 +138,10 @@ drbd
   to obtain a highly available instance that can be failed over to a
   remote node should the primary one fail.
 
+  .. note:: Ganeti does not support DRBD stacked devices:
+     DRBD stacked setup is not fully symmetric and as such it is
+     not working with live migration.
+
 rbd
   The instance will use Volumes inside a RADOS cluster as backend for its
   disks. It will access them using the RADOS block device (RBD).
-- 
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