diff --git a/scripts/bin/smartt b/scripts/bin/smartt new file mode 100755 index 0000000..cec1bbe --- /dev/null +++ b/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 "------------------------------" \ No newline at end of file