README updated

check_storwize/README.md

@@ -12,7 +12,66 @@ with the following differences:
   - More stable plugin results when disk array is broken
 
 
-EXAMPLE USAGE
+USAGE
 =============
 ```
+ python check_storwize.py --help
+Usage: check_storwize.py [options]
+
+Options:
+  -h, --help            show this help message and exit
+  -H HOSTNAME, -M HOSTNAME, --hostname=HOSTNAME
+                        Hostname or ip address
+  -U USER, --user=USER  Log in as this user to storwize
+  -Q QUERY, --query=QUERY
+                        Query to send to storwize (see also -L)
+  -L, --list-queries    List of valid queries
+  --test                Run this plugin in test mode
+
+  Generic Options:
+    --timeout=50        Exit plugin with unknown status after x seconds
+    --threshold=range   Thresholds in standard nagios threshold format
+    --th=range          Same as --threshold
+    --extra-opts=@file  Read options from an ini file. See
+                        http://nagiosplugins.org/extra-opts
+    -d, --debug         Print debug info
+
+  Display Options:
+    -v, --verbose       Print more verbose info
+    --no-perfdata       Dont show any performance data
+    --no-longoutput     Hide longoutput from the plugin output (i.e. only
+                        display first line of the output)
+    --no-summary        Hide summary from plugin output
+    --get-metrics       Print all available metrics and exit (can be combined
+                        with --verbose)
+    --legacy            Deprecated, do not use
 ```
+
+EXAMPLES
+========
+```
+# List array status
+python check_storwize -H remote_host -U username -Q lsarray
+
+# List vdisk status
+python check_storwize -H remote_host -U username -Q lsarray
+
+```
+
+
+Valid modes
+===========
+The following is a list of valid modes (at the time of this writing). For an up-to-date list consult check_storwize -L
+
+  * lsarray
+  * lsdrive
+  * lsenclosurebattery
+  * lsenclosurecanister
+  * lsenclosurepsu
+  * lsenclosureslot
+  * lsenclosure
+  * lsmdiskgrp
+  * lsmdskgrp
+  * lsmgrp
+  * lsrcrelationship
+  * lsvdisk