MAN page from Old RedHat 5.X e2fsprogs-1.10-6.i386.rpm
BADBLOCKS
Section: Maintenance Commands (8)
Updated: April 1997
Index NAME
badblocks - search a device for bad blocks
SYNOPSIS
badblocks[
-bblock-size][
-ooutput_file][
-v][
-w]deviceblocks-count [ start-block ]
DESCRIPTION
badblocksis used to search for bad blocks on a device (usually a disk partition).
deviceis the special file corresponding to the device (e.g /dev/hdXX).
blocks-countis the number of blocks on the device.
OPTIONS
- -b block-size
- Specify the size of blocks in bytes.
- -o output_file
- Write the list of bad blocks to the specified file. Without this option,badblocksdisplays the list on its standard output.
- -v
- Verbose mode.
- -w
- Use write-mode test. With this option,badblocksscans for bad blocks by writing some patterns (0xaa, 0x55, 0xff, 0x00) onevery block of the device, reading every block and comparing the contents.
WARNING
Never use the `-w' option on an device containing an existing file system.This option erases data!
AUTHOR
badblockshas been written by Remy Card <cardAATTmasi.ibp.fr>, the developer and maintainerof the ext2 fs.
BUGS
I had no chance to make reals tests of this program since I use IDE driveswhich remap bad blocks. I only made some tests on floppies.
AVAILABILITY
badblocksis available for anonymous ftp from
ftp.ibp.fr and tsx-11.mit.edu in/pub/linux/packages/ext2fs.
SEE ALSO
e2fsck(8),
mke2fs(8)
Index
- NAME
- SYNOPSIS
- DESCRIPTION
- OPTIONS
- WARNING
- AUTHOR
- BUGS
- AVAILABILITY
- SEE ALSO
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