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e2fsprogs/misc/badblocks.8.in

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Many files: Checkin of e2fsprogs 0.5b
1997-04-26 17:21:57 +04:00
.\" -*- nroff -*-
Many files: Checkin of e2fsprogs 1.02.
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.TH BADBLOCKS 8 "@E2FSPROGS_MONTH@ @E2FSPROGS_YEAR@" "E2fsprogs version @E2FSPROGS_VERSION@"
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.SH NAME
badblocks \- search a device for bad blocks
.SH SYNOPSIS
.B badblocks
[
.B \-b
Many files: badblocks.8.in, chattr.1.in, dumpe2fs.8.in, e2label.8.in, fsck.8.in, lsattr.1.in, mke2fs.8.in, mklost+found.8.in, tune2fs.8.in, uuidgen.1.in: Update man page to use a more standard format (bold option flags and italicized variables), as suggested by Andreas Dilger (adilger@enel.ucalgary.ca) ChangeLog, e2fsck.8.in: e2fsck.8.in: Update man page to use a more standard format (bold option flags and italicized variables), as suggested by Andreas Dilger (adilger@enel.ucalgary.ca) ChangeLog, uuid_generate.3.in: uuid_generate.8.in: Update man page to use a more standard format (bold option flags and italicized variables), as suggested by Andreas Dilger (adilger@enel.ucalgary.ca)
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.I block-size
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]
[
.B \-o
Many files: badblocks.8.in, chattr.1.in, dumpe2fs.8.in, e2label.8.in, fsck.8.in, lsattr.1.in, mke2fs.8.in, mklost+found.8.in, tune2fs.8.in, uuidgen.1.in: Update man page to use a more standard format (bold option flags and italicized variables), as suggested by Andreas Dilger (adilger@enel.ucalgary.ca) ChangeLog, e2fsck.8.in: e2fsck.8.in: Update man page to use a more standard format (bold option flags and italicized variables), as suggested by Andreas Dilger (adilger@enel.ucalgary.ca) ChangeLog, uuid_generate.3.in: uuid_generate.8.in: Update man page to use a more standard format (bold option flags and italicized variables), as suggested by Andreas Dilger (adilger@enel.ucalgary.ca)
1999-10-21 23:56:34 +04:00
.I output_file
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]
[
Many files: resize2fs.h: If EXT2_FLAT_INCLUDES is defined, then assume all of the ext2-specific header files are in a flat directory. ext2_block_move.c, ext2_inode_move.c, extent.c, resize2fs.c, resize2fs.h: Rename variables named "new" to "new_block", "new_inode", or "new_loc" to avoid C++ reserved word clash. ext2_block_move.c, ext2_inode_move.c, extent.c, resize2fs.c, sim_progress.c: Use ext2fs_get_memory(), ext2fs_free_memory(), et. al., instead of malloc() and free(). ext2_block_move.c, ext2_inode_move.c, extent.c: Explicitly cast all assignments from void * to be compatible with C++. banalysis.c, banalysis.h, ext2_inode_move.c, ext2_block_move.c: Change private to priv_data to avoid C++ namespace clash. ChangeLog, badblocks.8.in: badblocks.8.in: Add documentation for the -s option.
1998-01-19 17:55:24 +03:00
.B \-s
]
[
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.B \-v
]
[
.B \-w
]
Many files: badblocks.8.in, chattr.1.in, dumpe2fs.8.in, e2label.8.in, fsck.8.in, lsattr.1.in, mke2fs.8.in, mklost+found.8.in, tune2fs.8.in, uuidgen.1.in: Update man page to use a more standard format (bold option flags and italicized variables), as suggested by Andreas Dilger (adilger@enel.ucalgary.ca) ChangeLog, e2fsck.8.in: e2fsck.8.in: Update man page to use a more standard format (bold option flags and italicized variables), as suggested by Andreas Dilger (adilger@enel.ucalgary.ca) ChangeLog, uuid_generate.3.in: uuid_generate.8.in: Update man page to use a more standard format (bold option flags and italicized variables), as suggested by Andreas Dilger (adilger@enel.ucalgary.ca)
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.I device
.IR blocks-count [ start-block ]
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.SH DESCRIPTION
.B badblocks
is used to search for bad blocks on a device (usually a disk partition).
.I device
Many files: badblocks.8.in, chattr.1.in, dumpe2fs.8.in, e2label.8.in, fsck.8.in, lsattr.1.in, mke2fs.8.in, mklost+found.8.in, tune2fs.8.in, uuidgen.1.in: Update man page to use a more standard format (bold option flags and italicized variables), as suggested by Andreas Dilger (adilger@enel.ucalgary.ca) ChangeLog, e2fsck.8.in: e2fsck.8.in: Update man page to use a more standard format (bold option flags and italicized variables), as suggested by Andreas Dilger (adilger@enel.ucalgary.ca) ChangeLog, uuid_generate.3.in: uuid_generate.8.in: Update man page to use a more standard format (bold option flags and italicized variables), as suggested by Andreas Dilger (adilger@enel.ucalgary.ca)
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is the special file corresponding to the device (e.g
.IR /dev/hdc1 ).
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.I blocks-count
is the number of blocks on the device.
.SH OPTIONS
.TP
Many files: badblocks.8.in, chattr.1.in, dumpe2fs.8.in, e2label.8.in, fsck.8.in, lsattr.1.in, mke2fs.8.in, mklost+found.8.in, tune2fs.8.in, uuidgen.1.in: Update man page to use a more standard format (bold option flags and italicized variables), as suggested by Andreas Dilger (adilger@enel.ucalgary.ca) ChangeLog, e2fsck.8.in: e2fsck.8.in: Update man page to use a more standard format (bold option flags and italicized variables), as suggested by Andreas Dilger (adilger@enel.ucalgary.ca) ChangeLog, uuid_generate.3.in: uuid_generate.8.in: Update man page to use a more standard format (bold option flags and italicized variables), as suggested by Andreas Dilger (adilger@enel.ucalgary.ca)
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.BI \-b " block-size"
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Specify the size of blocks in bytes.
.TP
Many files: badblocks.8.in, chattr.1.in, dumpe2fs.8.in, e2label.8.in, fsck.8.in, lsattr.1.in, mke2fs.8.in, mklost+found.8.in, tune2fs.8.in, uuidgen.1.in: Update man page to use a more standard format (bold option flags and italicized variables), as suggested by Andreas Dilger (adilger@enel.ucalgary.ca) ChangeLog, e2fsck.8.in: e2fsck.8.in: Update man page to use a more standard format (bold option flags and italicized variables), as suggested by Andreas Dilger (adilger@enel.ucalgary.ca) ChangeLog, uuid_generate.3.in: uuid_generate.8.in: Update man page to use a more standard format (bold option flags and italicized variables), as suggested by Andreas Dilger (adilger@enel.ucalgary.ca)
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.BI \-o " output_file"
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Write the list of bad blocks to the specified file. Without this option,
.B badblocks
ChangeLog, badblocks.8.in, mke2fs.c: badblocks.8: Update documentation to note that output format of badblocks is suitable for use with e2fsck -l or mke2fs -l. mke2fs.c (handle_bad_blocks): Fix bug so that all groups with bad superblock backup blocks are printed (not just the first one).
1998-02-17 01:29:34 +03:00
displays the list on its standard output. The format of this file is suitable
Many files: badblocks.8.in, chattr.1.in, dumpe2fs.8.in, e2label.8.in, fsck.8.in, lsattr.1.in, mke2fs.8.in, mklost+found.8.in, tune2fs.8.in, uuidgen.1.in: Update man page to use a more standard format (bold option flags and italicized variables), as suggested by Andreas Dilger (adilger@enel.ucalgary.ca) ChangeLog, e2fsck.8.in: e2fsck.8.in: Update man page to use a more standard format (bold option flags and italicized variables), as suggested by Andreas Dilger (adilger@enel.ucalgary.ca) ChangeLog, uuid_generate.3.in: uuid_generate.8.in: Update man page to use a more standard format (bold option flags and italicized variables), as suggested by Andreas Dilger (adilger@enel.ucalgary.ca)
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for use by the
.B \-l
option in
ChangeLog, badblocks.8.in, mke2fs.c: badblocks.8: Update documentation to note that output format of badblocks is suitable for use with e2fsck -l or mke2fs -l. mke2fs.c (handle_bad_blocks): Fix bug so that all groups with bad superblock backup blocks are printed (not just the first one).
1998-02-17 01:29:34 +03:00
.BR e2fsck (8)
or
.BR mke2fs (8).
Many files: Checkin of e2fsprogs 0.5b
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.TP
Many files: badblocks.8.in, chattr.1.in, dumpe2fs.8.in, e2label.8.in, fsck.8.in, lsattr.1.in, mke2fs.8.in, mklost+found.8.in, tune2fs.8.in, uuidgen.1.in: Update man page to use a more standard format (bold option flags and italicized variables), as suggested by Andreas Dilger (adilger@enel.ucalgary.ca) ChangeLog, e2fsck.8.in: e2fsck.8.in: Update man page to use a more standard format (bold option flags and italicized variables), as suggested by Andreas Dilger (adilger@enel.ucalgary.ca) ChangeLog, uuid_generate.3.in: uuid_generate.8.in: Update man page to use a more standard format (bold option flags and italicized variables), as suggested by Andreas Dilger (adilger@enel.ucalgary.ca)
1999-10-21 23:56:34 +04:00
.B \-s
Many files: resize2fs.h: If EXT2_FLAT_INCLUDES is defined, then assume all of the ext2-specific header files are in a flat directory. ext2_block_move.c, ext2_inode_move.c, extent.c, resize2fs.c, resize2fs.h: Rename variables named "new" to "new_block", "new_inode", or "new_loc" to avoid C++ reserved word clash. ext2_block_move.c, ext2_inode_move.c, extent.c, resize2fs.c, sim_progress.c: Use ext2fs_get_memory(), ext2fs_free_memory(), et. al., instead of malloc() and free(). ext2_block_move.c, ext2_inode_move.c, extent.c: Explicitly cast all assignments from void * to be compatible with C++. banalysis.c, banalysis.h, ext2_inode_move.c, ext2_block_move.c: Change private to priv_data to avoid C++ namespace clash. ChangeLog, badblocks.8.in: badblocks.8.in: Add documentation for the -s option.
1998-01-19 17:55:24 +03:00
Show the progress of the scan by writing out the block numbers as they
are checked.
.TP
Many files: badblocks.8.in, chattr.1.in, dumpe2fs.8.in, e2label.8.in, fsck.8.in, lsattr.1.in, mke2fs.8.in, mklost+found.8.in, tune2fs.8.in, uuidgen.1.in: Update man page to use a more standard format (bold option flags and italicized variables), as suggested by Andreas Dilger (adilger@enel.ucalgary.ca) ChangeLog, e2fsck.8.in: e2fsck.8.in: Update man page to use a more standard format (bold option flags and italicized variables), as suggested by Andreas Dilger (adilger@enel.ucalgary.ca) ChangeLog, uuid_generate.3.in: uuid_generate.8.in: Update man page to use a more standard format (bold option flags and italicized variables), as suggested by Andreas Dilger (adilger@enel.ucalgary.ca)
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.B \-v
Many files: Checkin of e2fsprogs 0.5b
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Verbose mode.
.TP
Many files: badblocks.8.in, chattr.1.in, dumpe2fs.8.in, e2label.8.in, fsck.8.in, lsattr.1.in, mke2fs.8.in, mklost+found.8.in, tune2fs.8.in, uuidgen.1.in: Update man page to use a more standard format (bold option flags and italicized variables), as suggested by Andreas Dilger (adilger@enel.ucalgary.ca) ChangeLog, e2fsck.8.in: e2fsck.8.in: Update man page to use a more standard format (bold option flags and italicized variables), as suggested by Andreas Dilger (adilger@enel.ucalgary.ca) ChangeLog, uuid_generate.3.in: uuid_generate.8.in: Update man page to use a more standard format (bold option flags and italicized variables), as suggested by Andreas Dilger (adilger@enel.ucalgary.ca)
1999-10-21 23:56:34 +04:00
.B \-w
Many files: Checkin of e2fsprogs 0.5b
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Use write-mode test. With this option,
.B badblocks
scans for bad blocks by writing some patterns (0xaa, 0x55, 0xff, 0x00) on
every block of the device, reading every block and comparing the contents.
.SH WARNING
Many files: badblocks.8.in, chattr.1.in, dumpe2fs.8.in, e2label.8.in, fsck.8.in, lsattr.1.in, mke2fs.8.in, mklost+found.8.in, tune2fs.8.in, uuidgen.1.in: Update man page to use a more standard format (bold option flags and italicized variables), as suggested by Andreas Dilger (adilger@enel.ucalgary.ca) ChangeLog, e2fsck.8.in: e2fsck.8.in: Update man page to use a more standard format (bold option flags and italicized variables), as suggested by Andreas Dilger (adilger@enel.ucalgary.ca) ChangeLog, uuid_generate.3.in: uuid_generate.8.in: Update man page to use a more standard format (bold option flags and italicized variables), as suggested by Andreas Dilger (adilger@enel.ucalgary.ca)
1999-10-21 23:56:34 +04:00
Never use the
.B \-w
option on an device containing an existing file system.
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This option erases data!
.SH AUTHOR
.B badblocks
Many files: Fix minor typos and grammer oops found by Bill Hawes (whawes@star.net).
1997-05-09 07:06:31 +04:00
was written by Remy Card <card@masi.ibp.fr>, the developer and maintainer
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of the ext2 fs.
.SH BUGS
Many files: Fix minor typos and grammer oops found by Bill Hawes (whawes@star.net).
1997-05-09 07:06:31 +04:00
I had no chance to make real tests of this program since I use IDE drives,
Many files: Checkin of e2fsprogs 0.5b
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which remap bad blocks. I only made some tests on floppies.
.SH AVAILABILITY
.B badblocks
Many files: e2label.c: Fix -Wall warning by making functions static. chattr.1.in: Document that the append-only attribute may only be set or cleared by the superuser. Update all manual pages to that the availability section is up-to-date. e2label.8.in, tune2fs.8.in: Update manual page to state that labels must be no longer than 16 characters, or they will be truncated. e2label.c (change_label), tune2fs.c (main): If the label is longer than 16 characters, print a warning message stating that the label will be truncated. mke2fs.c (PRS): If the user specifies a filesystem size, and it's larger than the apparent size of the device, print a warning message and ask if the user wants to proceed.
1998-03-30 05:20:55 +04:00
is part of the e2fsprogs package and is available for anonymous
ftp from tsx-11.mit.edu in /pub/linux/packages/ext2fs.
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.SH SEE ALSO
.BR e2fsck (8),
.BR mke2fs (8)