1997-04-26 18:00:26 +04:00
|
|
|
.\" -*- nroff -*-
|
|
|
|
.\" Copyright 1993, 1994, 1995 by Theodore Ts'o. All Rights Reserved.
|
|
|
|
.\" This file may be copied under the terms of the GNU Public License.
|
|
|
|
.\"
|
1997-04-26 18:37:06 +04:00
|
|
|
.TH DUMPE2FS 8 "@E2FSPROGS_MONTH@ @E2FSPROGS_YEAR@" "E2fsprogs version @E2FSPROGS_VERSION@"
|
1997-04-26 17:21:57 +04:00
|
|
|
.SH NAME
|
2009-05-30 20:34:28 +04:00
|
|
|
dumpe2fs \- dump ext2/ext3/ext4 filesystem information
|
1997-04-26 17:21:57 +04:00
|
|
|
.SH SYNOPSIS
|
|
|
|
.B dumpe2fs
|
1997-04-29 19:29:49 +04:00
|
|
|
[
|
2014-09-19 20:16:44 +04:00
|
|
|
.B \-bfghixV
|
1997-04-29 19:29:49 +04:00
|
|
|
]
|
|
|
|
[
|
2008-02-27 03:05:33 +03:00
|
|
|
.B \-o superblock=\fIsuperblock
|
1999-06-18 04:48:41 +04:00
|
|
|
]
|
|
|
|
[
|
2008-02-27 03:05:33 +03:00
|
|
|
.B \-o blocksize=\fIblocksize
|
1999-06-18 04:48:41 +04:00
|
|
|
]
|
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 device
|
1997-04-26 17:21:57 +04:00
|
|
|
.SH DESCRIPTION
|
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 dumpe2fs
|
1997-04-26 17:21:57 +04:00
|
|
|
prints the super block and blocks group information for the filesystem
|
|
|
|
present on
|
|
|
|
.I device.
|
|
|
|
.PP
|
2011-10-08 21:50:10 +04:00
|
|
|
.B Note:
|
|
|
|
When used with a mounted filesystem, the printed
|
|
|
|
information may be old or inconsistent.
|
1997-04-29 19:29:49 +04:00
|
|
|
.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)
1999-10-21 23:56:34 +04:00
|
|
|
.B \-b
|
1997-04-29 19:29:49 +04:00
|
|
|
print the blocks which are reserved as bad in the filesystem.
|
|
|
|
.TP
|
2008-02-27 03:05:33 +03:00
|
|
|
.B \-o superblock=\fIsuperblock
|
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
|
|
|
use the block
|
|
|
|
.I superblock
|
|
|
|
when examining the filesystem.
|
1999-06-18 04:48:41 +04:00
|
|
|
This option is not usually needed except by a filesystem wizard who
|
2005-04-16 22:05:09 +04:00
|
|
|
is examining the remains of a very badly corrupted filesystem.
|
1999-06-18 04:48:41 +04:00
|
|
|
.TP
|
2008-02-27 03:05:33 +03:00
|
|
|
.B \-o blocksize=\fIblocksize
|
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
|
|
|
use blocks of
|
|
|
|
.I blocksize
|
|
|
|
bytes when examining the filesystem.
|
1999-06-18 04:48:41 +04:00
|
|
|
This option is not usually needed except by a filesystem wizard who
|
2005-04-16 22:05:09 +04:00
|
|
|
is examining the remains of a very badly corrupted filesystem.
|
1999-06-18 04:48:41 +04:00
|
|
|
.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 \-f
|
1999-09-15 00:11:19 +04:00
|
|
|
force dumpe2fs to display a filesystem even though it may have some
|
|
|
|
filesystem feature flags which dumpe2fs may not understand (and which
|
|
|
|
can cause some of dumpe2fs's display to be suspect).
|
2014-09-19 20:16:44 +04:00
|
|
|
.TP
|
|
|
|
.B \-g
|
|
|
|
display the group descriptor information in a machine readable colon-separated
|
|
|
|
value format. The fields displayed are the group number; the number of the
|
|
|
|
first block in the group; the superblock location (or -1 if not present); the
|
|
|
|
range of blocks used by the group descriptors (or -1 if not present); the block
|
|
|
|
bitmap location; the inode bitmap location; and the range of blocks used by the
|
|
|
|
inode table.
|
1999-09-15 00:11:19 +04:00
|
|
|
.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 \-h
|
1999-09-15 00:11:19 +04:00
|
|
|
only display the superblock information and not any of the block
|
|
|
|
group descriptor detail information.
|
|
|
|
.TP
|
2001-05-03 18:43:43 +04:00
|
|
|
.B \-i
|
|
|
|
display the filesystem data from an image file created by
|
|
|
|
.BR e2image ,
|
|
|
|
using
|
|
|
|
.I device
|
|
|
|
as the pathname to the image file.
|
|
|
|
.TP
|
2000-08-14 19:32:11 +04:00
|
|
|
.B \-x
|
|
|
|
print the detailed group information block numbers in hexadecimal format
|
|
|
|
.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 \-V
|
1997-05-09 07:06:31 +04:00
|
|
|
print the version number of
|
|
|
|
.B dumpe2fs
|
|
|
|
and exit.
|
1997-04-26 17:21:57 +04:00
|
|
|
.SH BUGS
|
|
|
|
You need to know the physical filesystem structure to understand the
|
|
|
|
output.
|
|
|
|
.SH AUTHOR
|
|
|
|
.B dumpe2fs
|
2004-02-01 04:27:36 +03:00
|
|
|
was written by Remy Card <Remy.Card@linux.org>. It is currently being
|
|
|
|
maintained by Theodore Ts'o <tytso@alum.mit.edu>.
|
1997-04-26 17:21:57 +04:00
|
|
|
.SH AVAILABILITY
|
|
|
|
.B dumpe2fs
|
2001-05-12 19:49:17 +04:00
|
|
|
is part of the e2fsprogs package and is available from
|
2001-05-03 18:43:43 +04:00
|
|
|
http://e2fsprogs.sourceforge.net.
|
1997-04-26 17:21:57 +04:00
|
|
|
.SH SEE ALSO
|
|
|
|
.BR e2fsck (8),
|
|
|
|
.BR mke2fs (8),
|
2013-12-25 00:15:31 +04:00
|
|
|
.BR tune2fs (8).
|
|
|
|
.BR ext4 (5)
|
2001-05-03 18:43:43 +04:00
|
|
|
|