Wednesday, April 17, 2013

Linux : Bad blocks

badblocks - search a device for bad blocks
 
To check the mounted disk for bad blocks run the following command:

# badblocks -sv /dev/sdb

-s              Show the progress of the scan
-v              Verbose mode

/dev/sdb  Disk to be tested

By default only a non-destructive read-only test is done. Check the man page for other options.

Man page:
# man 8 badblocks