mirror of https://github.com/artizirk/dotfiles
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
51 lines
1.9 KiB
51 lines
1.9 KiB
#!/bin/bash |
|
# From https://scottlinux.com/2014/07/15/determine-remaining-ssd-life-in-linux/ |
|
####################################### |
|
# 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 "------------------------------"
|
|
|