[+] smartt: SMART write info

scripts/bin/smartt

@@ -0,0 +1,51 @@
+#!/usr/bin/env bash
+
+#######################################
+# Variables                           #
+#######################################
+
+SSD_DEVICE="/dev/sda"
+
+ON_TIME_TAG="Power_On_Hours"
+WEAR_COUNT_TAG="Wear_Leveling_Count"
+LBAS_WRITTEN_TAG="Total_LBAs_Written"
+LBA_SIZE=512 # Value in bytes
+
+BYTES_PER_MB=1048576
+BYTES_PER_GB=1073741824
+BYTES_PER_TB=1099511627776
+
+#######################################
+# Get total data written...           #
+#######################################
+
+# Get SMART attributes
+SMART_INFO=$(sudo /usr/sbin/smartctl -A "$SSD_DEVICE")
+
+# Extract required attributes
+ON_TIME=$(echo "$SMART_INFO" | grep "$ON_TIME_TAG" | awk '{print $10}')
+WEAR_COUNT=$(echo "$SMART_INFO" | grep "$WEAR_COUNT_TAG" | awk '{print $4}' | sed 's/^0*//')
+LBAS_WRITTEN=$(echo "$SMART_INFO" | grep "$LBAS_WRITTEN_TAG" | awk '{print $10}')
+
+# Convert LBAs -> bytes
+BYTES_WRITTEN=$(echo "$LBAS_WRITTEN * $LBA_SIZE" | bc)
+MB_WRITTEN=$(echo "scale=3; $BYTES_WRITTEN / $BYTES_PER_MB" | bc)
+GB_WRITTEN=$(echo "scale=3; $BYTES_WRITTEN / $BYTES_PER_GB" | bc)
+TB_WRITTEN=$(echo "scale=3; $BYTES_WRITTEN / $BYTES_PER_TB" | bc)
+
+# Output results...
+echo "------------------------------"
+echo " SSD Status:   $SSD_DEVICE"
+echo "------------------------------"
+echo " On time:      $(echo $ON_TIME | sed ':a;s/\B[0-9]\{3\}\>/,&/;ta') hr"
+echo "------------------------------"
+echo " Data written:"
+echo "           MB: $(echo $MB_WRITTEN | sed ':a;s/\B[0-9]\{3\}\>/,&/;ta')"
+echo "           GB: $(echo $GB_WRITTEN | sed ':a;s/\B[0-9]\{3\}\>/,&/;ta')"
+echo "           TB: $(echo $TB_WRITTEN | sed ':a;s/\B[0-9]\{3\}\>/,&/;ta')"
+echo "------------------------------"
+echo " Mean write rate:"
+echo "        MB/hr: $(echo "scale=3; $MB_WRITTEN / $ON_TIME" | bc | sed ':a;s/\B[0-9]\{3\}\>/,&/;ta')"
+echo "------------------------------"
+echo " Drive health: ${WEAR_COUNT} %"
+echo "------------------------------"