some iSCSI hacking

howto/ganeti.md

@@ -1528,6 +1528,12 @@ command had too much whitespace, which fails with:
 
     Failure: unknown/wrong parameter name 'Missing value for key '' in option --ipolicy-bounds-specs'
 
+The disk templates also had to be modified to account for iSCSI
+devices:
+
+    gnt-cluster modify --enabled-disk-templates drbd,plain,blockdev
+    gnt-cluster modify --ipolicy-disk-templates drbd,plain,blockdev
+
 The [network configuration](#network-configuration) (below) must also be performed for the
 address blocks reserved in the cluster. This is the actual initial
 configuration performed: