Documentation: cciss: detecting failed drives

Document how to detect drive failures for cciss
Signed-off-by: NStephen M. Cameron <steve.cameron@hp.com>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

Documentation/cciss.txt

@@ -22,14 +22,21 @@ This driver is known to work with the following cards:
 	* SA E200i
 	* SA E500
 
-If nodes are not already created in the /dev/cciss directory, run as root:
+Detecting drive failures:
+-------------------------
 
-# cd /dev
-# ./MAKEDEV cciss
+To get the status of logical volumes and to detect physical drive
+failures, you can use the cciss_vol_status program found here:
+http://cciss.sourceforge.net/#cciss_utils
 
 Device Naming:
 --------------
 
+If nodes are not already created in the /dev/cciss directory, run as root:
+
+# cd /dev
+# ./MAKEDEV cciss
+
 You need some entries in /dev for the cciss device.  The MAKEDEV script
 can make device nodes for you automatically.  Currently the device setup
 is as follows: