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tlipinski/trim-check

Created August 3, 2012 22:27
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Simple script that checks if SSD drive has TRIM enabled.
Raw
trim-check
path=$1
drive=$2
name=/_tempfile_
file=$path$name
echo Test file: $file
seq 1 1000 > $file
sync; sleep 2
address=`hdparm --fibmap $file | tail -n 1 | cut -d' ' -f15-17`
hdparm --read-sector $address /dev/$drive | tail -n 1
rm $file
sync; sleep 2
hdparm --read-sector $address /dev/$drive | tail -n 1
@tlipinski
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sudo ./trimsupport.sh / sda
Output if enabled:

3531 0a32 3531 0a33 3531 0a34 3531 0a35
0000 0000 0000 0000 0000 0000 0000 0000

Output if disabled:

3531 0a32 3531 0a33 3531 0a34 3531 0a35
3531 0a32 3531 0a33 3531 0a34 3531 0a35

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