Verificar bloques (clusters) malos en un disco duro Linux (ext4)
Verify bad blocks hard disk Linux (ext4)
Opción 1 (Durante el formateo):
$ mkfs.ext4 -c /dev/sda1
Opción 2 (En cualquier momento, después del formateo):
$ umount /dev/sda1
$ fsck.ext4 -cDfty -C 0 /dev/sda1
Run a ext4 file system check and badblocks scan with progress info
Nothing fancy, just a regular filesystem scan that calls the badblocks program and shows some progress info. The used options are:
- -c ? check for bad sectors with badblocks program
- -D ? optimize directories if possible
- -f ? force check, even if filesystem seems clean
- -t ? print timing stats (use -tt for more)
- -y ? assume answer ?yes? to all questions
- -C 0 ? print progress info to stdout
- /dev/sdxx ? the partition to check, (e.g. /dev/sda1 for first partition on first hard disk)
NOTE: Never run fsck on a mounted partition!
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