Clarify cluster IP requirement.

Reviewed-by: iustinp

diff --git a/doc/install.sgml b/doc/install.sgml
index 84cfab9..c83fdc0 100644 (file)
--- a/doc/install.sgml
+++ b/doc/install.sgml
@@ -729,7 +729,9 @@ gnt-cluster init <replaceable>CLUSTERNAME</replaceable>
         nodes names for a multi-node cluster. In general the best
         choice is to have a unique name for a cluster, even if it
         consists of only one machine, as you will be able to expand it
-        later without any problems.
+        later without any problems. Please note that the hostname used
+        for this must resolve to an IP address reserved exclusively
+        for this purpose.
       </para>
 
       <para>

diff --git a/man/gnt-cluster.sgml b/man/gnt-cluster.sgml
index 5f11df4..5540a95 100644 (file)
--- a/man/gnt-cluster.sgml
+++ b/man/gnt-cluster.sgml
@@ -227,8 +227,8 @@
         Note that the <replaceable>clustername</replaceable> is not
         any random name. It has to be resolvable to an IP address
         using DNS, and it is best if you give the fully-qualified
-        domain name. Also it is advisable to reserve a per-cluster
-        unique name, and not try to reuse one of the nodes' names.
+        domain name. This hostname must resolve to an IP address
+        reserved exclusively for this purpose.
       </para>
 
       <para>