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chapter20/stale_LV_mon.ksh

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+#!/bin/ksh
+#
+# SCRIPT: stale_LV_mon.ksh
+#
+# AUTHOR: Randy Michael
+# DATE: 01/22/2007
+# REV: 1.1.P
+# 
+# PLATFORM: AIX only
+#
+# PURPOSE: This shell script is used to query the system
+#       for stale PPs in every active LV within every active
+#       VG.
+#
+# REVISION LIST:
+#
+#
+# set -x # Uncomment to debug this script
+# set -n # Uncomment to check command syntax without any execution
+
+case $(uname) in
+AIX) :  # Correct OS
+        # NOTE: a (:) colon is a no-op in Korn shell
+     ;;
+  *) echo "\nERROR: This shell script will only work on AIX"
+     echo "...EXITING...\n"
+     exit 99
+     ;;
+esac 
+
+THIS_HOST=`hostname`  # Hostname of this machine
+STALE_PP_COUNT=0      # Initialize to zero
+
+# Find all active VGs
+echo "\nGathering a list of active Volume Groups"
+ACTIVE_VG_LIST=$(lsvg -o)
+
+# Find all active LVs in every active VG.
+echo "\nCreating a list of all active Logical Volume"
+ACTIVE_LV_LIST=$(lsvg -l $ACTIVE_VG_LIST | grep open | awk '{print $1}')
+
+# Loop through each active LV and query for stale disk partitions
+echo "\nLooping through each Logical Volume searching for stale PPs"
+echo "...Please be patient this may take several minutes to complete..."
+
+for LV in $(echo $ACTIVE_LV_LIST)
+do
+        # Extract the number of STALE PPs for each active LV
+	NUM_STALE_PP=`lslv -L $LV | grep "STALE PP" | awk '{print $3}'`
+        # Check for a value greater than zero
+	if ((NUM_STALE_PP > 0))
+	then
+                # Increment the stale PP counter
+                (( STALE_PP_COUNT = $STALE_PP_COUNT + 1))
+                # Report on all LVs containing stale disk partitions 
+		echo "\n${THIS_HOST}: $LV has $NUM_STALE_PP PPs"
+	fi
+done
+
+# Give some feedback if no stale disk partition were found
+
+if ((STALE_PP_COUNT == 0))
+then
+      echo "\nNo stale PPs were found in any active LV...EXITING...\n"
+fi