Oct 21, 2014
How to find the largest folders on linux
This easy command will list the largest folders on your linux machine:
du -a / | sort -n -r | head -n 20
Replace the / with the folder you want to check.
This might take some time.
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How to find the largest folders on linux
This easy command will list the largest folders on your linux machine:
du -a / | sort -n -r | head -n 20
Replace the / with the folder you want to check.
This might take some time.
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How to determine the Wear Level Count on a Samsung SSD in Linux
Use smartctl:
smartctl -a /dev/sda | grep Wear_Leveling_Count 177 Wear_Leveling_Count 0x0013 099 099 000 Pre-fail Always - 5
The last value '5' in this case is the number of PE cycles. You should replace the disk if it hits 1000.
Now you have this value it is possible to estimate when this will be.
smartctl -a /dev/sda | grep Power_On_Hours 9 Power_On_Hours 0x0032 099 099 000 Old_age Always - 3454
In the example the disk has been online for 3454 hours, using 5 PE cycles.
How much time do we have left: (Power_On_Hours / PE cycles) * (1000 - PE cycles) , at this rate the disk will not wear out for the next 28639 days, or 78 years. By then we should have replaced the disk to prevent wearout.