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badblocks helper script
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#!/bin/sh | |
# ./badb.sh /dev/sdd 0.9 | |
# starts from 90th% block of the device using 4k blocks. | |
DEV=$(basename $1) | |
BLOCKS=$(cat /proc/partitions| grep $DEV| awk 'NR==1{ print $3 } ') | |
SIZE=1024 | |
NB=4 | |
BSIZE=$(( SIZE * NB )) | |
echo "total 1k blocks: $BLOCKS" | |
BLOCKS=$(( BLOCKS / NB - 1 )) | |
echo "total ${NB}k blocks: $BLOCKS" | |
START=0 | |
if [ -n $2 ]; then | |
START=$(echo "$BLOCKS * $2"| bc) | |
START=$(printf "%.0f" $START ) | |
fi | |
echo "start block: $START" | |
sudo umount ${1}1 || true | |
sudo badblocks -nsv -b $BSIZE -p 1 -c 32768 -o badblocks-$DEV.txt $1 $BLOCKS $START | |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
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#!/bin/sh | |
DEV=$(basename $1) | |
BLOCKS=$(cat /proc/partitions| grep $DEV| awk 'NR==1{ print $3 } ') | |
SIZE=1024 | |
NB=4 | |
BSIZE=$(( SIZE * NB )) | |
echo "total 1k blocks: $BLOCKS" | |
BLOCKS=$(( BLOCKS / NB - 1 )) | |
echo "total ${NB}k blocks: $BLOCKS" | |
START=0 | |
if [ -n $2 ]; then | |
START=$(echo "$BLOCKS * $2"| bc) | |
START=$(printf "%.0f" $START ) | |
fi | |
echo "start block: $START" | |
sudo umount ${1}1 || true | |
sudo badblocks -nsv -b $BSIZE -p 1 -c 32768 -o badblocks-$DEV.txt $1 $BLOCKS $START | |
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