diff --git a/xCAT-server/share/xcat/install/scripts/getinstdisk b/xCAT-server/share/xcat/install/scripts/getinstdisk
index 0b69dc1b3..8d9669d80 100644
--- a/xCAT-server/share/xcat/install/scripts/getinstdisk
+++ b/xCAT-server/share/xcat/install/scripts/getinstdisk
@@ -28,7 +28,7 @@ tmpfile=$tmpdir"/getinstalldisk_"
 
 if [ -z "$install_disk" ]; then
 
-    echo "Information from /proc/partitions:"
+    echo "[get_install_disk]Information from /proc/partitions:"
     cat /proc/partitions
     echo ""
 
@@ -60,10 +60,10 @@ if [ -z "$install_disk" ]; then
     disk_array=""
 
     for partition in $partitions; do
-        echo "Check the partition $partition."
+        echo "[get_install_disk]Check the partition $partition."
 
         if [ -e "$tmpfile${partition%%[0-9]*}" ]; then
-            echo "    The disk ${partition%%[0-9]*} had OS installed, check next partition."
+            echo "[get_install_disk]    The disk ${partition%%[0-9]*} had OS installed, check next partition."
             continue
         fi
 
@@ -87,7 +87,7 @@ if [ -z "$install_disk" ]; then
 
         # Check whether mount successfully
         if [ $rc -eq 0 ]; then
-            echo "    Partition $partition mount success."
+            echo "[get_install_disk]    Partition $partition mount success."
 
             ker_dir=$mount_dir            
             if [ -d "$mount_dir/boot" ]; then
@@ -99,21 +99,21 @@ if [ -z "$install_disk" ]; then
                 disk_part=${partition%%[0-9]*}
                 touch "$tmpfile$disk_part"
                 disk_array=$disk_array"$disk_part "
-                echo "    The partition $partition has kernel file."
+                echo "[get_install_disk]    The partition $partition has kernel file."
                 break
             done
              
-            umount $mount_dir || echo "    $partition umount failed."
+            umount $mount_dir || echo "[get_install_disk]    $partition umount failed."
         else
-            echo "    Partition $partition mount failed or the partition is swap."
+            echo "[get_install_disk]    Partition $partition mount failed or the partition is swap."
         fi
     done
 
     # If disk_array is not empty, make disks equal disk_array for next step to sort
     if [ "$disk_array" ]; then
         disks=$disk_array    
-        echo "The disks which have kernel:"
-        echo "    $disks"
+        echo "[get_install_disk]The disks which have kernel:"
+        echo "[get_install_disk]    $disks"
         echo ""
     fi
 
@@ -134,10 +134,10 @@ if [ -z "$install_disk" ]; then
         disk_driver=$(udevadm info --attribute-walk --name=$disk | grep DRIVERS| grep -v '""'| grep -v '"sd"'|
                     \head -n 1| sed -e 's/[^"]*"//' -e 's/"//' | tr A-Z a-z)
 
-        echo "The disk $disk information: "
-        echo "    disk_wwn=$disk_wwn"
-        echo "    disk_path=$disk_path"
-        echo "    disk_driver=$disk_driver"
+        echo "[get_install_disk]The disk $disk information: "
+        echo "[get_install_disk]    disk_wwn=$disk_wwn"
+        echo "[get_install_disk]    disk_path=$disk_path"
+        echo "[get_install_disk]    disk_driver=$disk_driver"
 
         # Check whether there is WWN, PATH information
         if [ "$disk_wwn" ]; then
@@ -145,16 +145,16 @@ if [ -z "$install_disk" ]; then
             file_pre="wwn"
             disk_data=$disk_wwn
         elif [ $has_wwn -eq 1 ]; then
-            echo "    The disk $disk has no wwn info."
-            echo "    There is other disk has wwn info, so don't record this disk."
+            echo "[get_install_disk]    The disk $disk has no wwn info."
+            echo "[get_install_disk]    There is other disk has wwn info, so don't record this disk."
             continue;
         elif [ "$disk_path" ]; then
             has_path=1
             file_pre="path"
             disk_data=$disk_path
         elif [ $has_path -eq 1 ]; then        
-            echo "    The disk $disk has no wwn or path info."
-            echo "    There is other disk has path info, so don't record this disk."
+            echo "[get_install_disk]    The disk $disk has no wwn or path info."
+            echo "[get_install_disk]    There is other disk has path info, so don't record this disk."
             continue;
         else
            file_pre="other"
@@ -165,15 +165,15 @@ if [ -z "$install_disk" ]; then
         case "$disk_driver" in
         "ata_piix"*|"PMC MaxRAID"|"ahci"|"megaraid_sas")
             echo "$disk $disk_data" >> "$tmpfile""$file_pre""firstchoicedisks"
-            echo "    Add disk: $disk $disk_data into $file_pre firstchoicedisks"
+            echo "[get_install_disk]    Add disk: $disk $disk_data into $file_pre firstchoicedisks"
             ;;
         "mptsas"|"mpt2sas"|"mpt3sas")
             echo "$disk $disk_data" >> "$tmpfile""$file_pre""secondchoicedisks"
-            echo "    Add disk: $disk $disk_data into $file_pre secondchoicedisks"
+            echo "[get_install_disk]    Add disk: $disk $disk_data into $file_pre secondchoicedisks"
             ;;
         *)
             echo "$disk $disk_data" >> "$tmpfile""$file_pre""thirdchoicedisks"
-            echo "    Add disk: $disk $disk_data into $file_pre thirdchoicedisks"
+            echo "[get_install_disk]    Add disk: $disk $disk_data into $file_pre thirdchoicedisks"
             ;;
         esac
     done
@@ -187,7 +187,7 @@ if [ -z "$install_disk" ]; then
 
     if [ "$install_file" ] && [ -s $install_file ]; then
         install_disk=/dev/$(cat $install_file | grep -v "^$" | sort -t : -k 2 -b | cut -d " " -f1 | head -n 1)
-        echo "The install_disk is $install_disk by sorting $file_pre and DRIVER."
+        echo "[get_install_disk]The install_disk is $install_disk by sorting $file_pre and DRIVER."
     fi    
     rm $tmpfile*;
 fi
@@ -196,7 +196,7 @@ rm -rf $tmpdir;
 # Cannot find proper disk for OS install, select the default one "/dev/sda"
 if [ -z "$install_disk" ]; then
     install_disk="/dev/sda"
-    echo "The default install_disk is $install_disk."
+    echo "[get_install_disk]The default install_disk is $install_disk."
 fi
 
 # Output the result to /tmp/install_disk file