LinHES-system: fstrim.cron: trim SSDs weekly

checkXFSfrag.sh: skip defrag on SSDs

1 files changed, 15 insertions, 7 deletions

diff --git a/abs/core/LinHES-system/checkXFSfrag.sh b/abs/core/LinHES-system/checkXFSfrag.sh
index 99b833c..74b73c4 100755
--- a/abs/core/LinHES-system/checkXFSfrag.sh
+++ b/abs/core/LinHES-system/checkXFSfrag.sh
@@ -28,24 +28,32 @@
 # DO NOT ALTER HEADER FROM THIS LINE UP.
 #
 e='/bin/echo -e'                                # Use the echo command, not built-in.
-xfsfsr=/usr/sbin/xfs_fsr                            # Set variable with the path to xfs_fsr.
-xfsdb=/usr/sbin/xfs_db                              # Set variable with the path to xfs_db.
+xfsfsr=/usr/bin/xfs_fsr                            # Set variable with the path to xfs_fsr.
+xfsdb=/usr/bin/xfs_db                              # Set variable with the path to xfs_db.
 pctmax=15                                        # Set maxiumum frag percent needed for defrag.
                                                 # This is zero here for testing purposes only
                                                 # a higher number should be used in production.
 array=`df -T|grep xfs|cut -f 1 --delim=" "`     # Array of all XFS file systems.
 for i in ${array[@]};
 do
-        percentage=`$xfsdb -c frag -r ${i}|cut -f 7 --delim=" "`
-        percent2=`$e $percentage|cut -f 1 --delim=.`
-        if [ "$percent2" -gt "$pctmax" ]
+        #check that the device is SATA and skip defrag on SSDs
+        device=`echo ${i} | cut -f 3 --delim="/" | sed 's/[0-9]//g'`
+        isSATA=`cat /sys/block/${device}/queue/rotational`
+        if [[ $isSATA -eq 1 ]]
         then
-                $e "${i} is $percentage fragmented. Running defragment on ${i}."
+            percentage=`$xfsdb -c frag -r ${i}|cut -f 7 --delim=" "`
+            percent2=`$e $percentage|cut -f 1 --delim=.`
+            if [ "$percent2" -gt "$pctmax" ]
+            then
+                $e "${i} is $percentage% fragmented. Running defragment on ${i}."
                 # Only uncomment one of the following two lines.
                 #$xfsfsr -v ${i}        # Uncomment for verbose defrag.
                 $xfsfsr ${i}           # Uncomment for quiet defrag.
+            else
+                $e "${i} is $percent2% fragmented and is below the fragmentation threshold of $pctmax%. Skipping."
+            fi
         else
-                $e "${i}\t$percent2 is not above fragmentation threshold of $pctmax."
+            echo "${i} is an SSD. Skipping."
         fi
 done
 exit 0