.\" -*- nroff -*-
.\" 
.\" Japanese Version Copyright 1998 by MATSUMOTO Shoji. All Rights Reserved.
.\" Translated Fri Mar 13 02:58:01 JST 1998 by MATSUMOTO Shoji.
.\" Updated Sat 23 Oct 1999 by NAKANO Takeo <nakano@apm.seikei.ac.jp>
.\" Updated Tue 16 Nov 1999 by NAKANO Takeo
.\" Updated & Modified Fri Aug 17 10:17:07 JST 2001
.\"         by Yuichi SATO <ysato@h4.dion.ne.jp>
.\" Updated Tue 3 Oct 2002 by NAKANO Takeo
.\" Updated & Modified Sat Apr 17 11:53:16 JST 2004
.\"         by Yuichi SATO <ysato444@yahoo.co.jp>
.\" Updated & Modified Sat Apr 30 06:46:50 JST 2005 by Yuichi SATO
.\" 
.\"WORD:	bad blocks	ɥ֥å
.\" 
.TH BADBLOCKS 8 "May 2006" "E2fsprogs version 1.39"
.SH ̾
badblocks \- ǥХɥ֥åõ
.SH 
.B badblocks
[
.B \-svwnf
]
[
.B \-b
.I block-size
]
[
.B \-c
.I blocks_at_once
]
[
.B \-i
.I input_file
]
[
.B \-o
.I output_file
]
[
.B \-p
.I num_passes
]
[
.B \-t
.I test_pattern
]
.I device
[
.I last-block
] [
.I start-block 
]
.SH 
.B badblocks
ϥǥХ (̾ϥǥѡƥ) 
ɥ֥åõ˻Ѥ롣
.I device
ϥǥХб륹ڥեǤ (:
.IR /dev/hdc1 )
.I last-block
ϥåǽ֥åǤ롣
ꤵʤ硢ǥեȤǤϥǥХκǽ֥åȤ롣
.I start-block
ϡƥȤ򳫻Ϥ֥åꤹѥ᡼Ǥ (άǽ)
Ѥȡǥ椫ƥȤ򳫻ϤǤ롣
ꤵʤ硢ǥեȤǤϥǥγϥ֥åȤ롣
.PP
.B פ:
.B badblocks
νϤ
.B e2fsck

.B mke2fs
ȤäץͿˤϡ
֥åꤹ뤳ȤڤǤ롣
줿֥åֹϡե륷ƥˤơ
ɤΤ褦ʥ֥åѤ뤫礭¸뤫Ǥ롣
Τᡢ
.B badblocks
ľܥ桼Ѥ뤳ȤϤǤ򤱤ۤ褤

.B e2fsck

.B mke2fs

.B \-c
ץѤ褦ˤ뤳Ȥ򶯤롣
.SH ץ
.TP
.BI -b " block-size"
֥åХñ̤ǻꤹ롣
ǥեȤ 1024 Ǥ롣
.TP
.BI \-c " number of blocks"
֥åޤȤƲĤĥƥȤ뤫ꤹ롣
ǥեȤ 64 Ǥ롣
.TP
.B \-f
̾ badblocks ϡޥȤƤǥХФƤϡ
ɤ߽Ф񤭹ߥƥȤ˲ƥȤԤʤ
Τ⥷ƥ򥯥å夵ꡢ
(Ȥ꡼ɥ꡼ǥޥȤƤƤ)
ե륷ƥǽ뤫Ǥ롣
.B \-f
ե饰ȤФưǤ뤬
ޤѤʤ褦ˤ褤
ʬ
.B badblocks
ץ⸭ȹͤʤ̤
ۤȤɤʤȤ̵Ϥ
ΥץͣʤΤϡ/etc/mtab ְäƤơ
ǥХºݤˤϥޥȤƤʤǤ롣
.TP
.BI \-i " input_file"
¸ɥ֥åΥꥹȤɤ߹ࡣ
ɥ֥åǤ뤳ȤʬäƤ뤿ᡢ
.B badblocks
ϤΥ֥åΥƥȤФ
.I input_file
 "-" Ȼꤵ줿硢ꥹȤɸϤɤ߹ࡣ
ǵ󤲤줿ꥹȤˤ֥åϡ
ɸϤϥե˽񤭽Ф
\fI˸Ĥä\fPɥ֥åΥꥹȤϽ롣
.BR dumpe2fs (8)

.B \-b
ץȤȡ
¸Υե륷ƥɥ֥åȤ
ޡƤ֥åΥꥹȤ
ΥץǻѤΤŬǼФȤǤ롣
.TP
.BI -o " output_file"
ꤵ줿եɥ֥åΥꥹȤ񤭽Ф
Υץꤷʤ硢
.B badblocks
ɸϤ˥ꥹȤɽ롣ΥեΥեޥåȤϡ
.BR e2fsck (8)

.BR mke2fs (8)

.B \-l
ץǻѤΤŬƤ롣
.TP
.BI \-p " num_passes"
ɥ֥åĤʤʤޤǡ
num_passes Ϣ³ǥǥΥ򷫤֤
ǥեȤ 0 ǡ
.B badblocks
Ϻǽ 1 ǽλ롣
.TP
.BI \-t " test_pattern"
ǥ֥åɤ߽Ф (ǥ֥å˽񤭹)
ƥȥѥꤹ롣
.I test_pattern
 0 ʾ ULONG_MAX-1 ʲοͤǤʸ "random" Ǥ褤
"random" ϥ֥åʥӥåȥѥ뤳Ȥɽ
ɤ߽Ф񤭹 (\fB-w\fR) ⡼ɤ˲ (\fB-n\fR) ⡼ɤǤϡ
ȤƥƥȥѥˤĤ
.B -t
ꤹ뤳ȤǡʣΥƥȥѥꤹ뤳ȤǤ롣
ɤ߽ФΥ⡼ɤǤ 1 ĤΥѥ󤷤ꤹ뤳ȤǤ
"random" ϻǤʤ
1 ĤΥѥꤷɤ߽ФΥƥȤǤϡ
ꤵ줿ѥäƥǥ˽񤭹ޤƤȲꤹ롣
ꤵ줿ѥ󤬽񤭹ޤƤʤϡ
Υ֥åڤ˼Ԥ롣
ʣΥѥ󤬻ꤵ줿硢
(1 ĤΥ֥åФ) 1 ĤΥѥƥȤ
ΥѥƥȤ褦ˤơ
ƤΥ֥åƥȤ롣
.TP
.B \-n
˲ɤ߽Ф񤭹ߥ⡼ɤȤ
ǥեȤǤϡ˲ɤ߽ФƥȤԤ롣
Υץ
.B \-w 
ץϰǤʤΤǡƱ˻ꤷƤϤʤʤ
.TP
.B \-s
οʹԾɽ롣֥åå뤴Ȥ
Υ֥åֹ񤭽Ф
.TP
.B \-v
ܺ٤ɽԤ
.TP
.B \-w
񤭹ߥ⡼ɤǥƥȤ롣Υץꤹȡ
.B badblocks 
ϥǥХγƥ֥åˡѥ (0xaa, 0x55, 0xff, 0x00) 񤭹ߡ
ޤɤ߽Ф٤뤳Ȥˤꡢɥ֥åõ롣
Υץ
.B \-n 
ץȤ߹碌ƻȤȤϤǤʤ
 2 ĤΥץϤɤ餫Ǥʤ
.SH ٹ
ե륷ƥब¸ߤǥХФ
.B \-w 
ץѤƤϤʤʤ
Υץϥǡõ롣
¸Υե륷ƥ˽񤭹ߥ⡼ɥƥȤ򤹤ϡ

.B \-n 
ץȤȡ
.B \-n 
ץǤΥƥȤ٤ǡ¸롣
.SH 
.B badblocks
 Remy Card <Remy.Card@linux.org> ˤäƺ줿
ߤΥƥʤ Theodore Ts'o <tytso@alum.mit.edu> Ǥ롣
˲ɤ߽Ф񤭹ߥƥȤ
David Beattie <dbeattie@softhome.net> 
.SH ˡ
.B badblocks
 e2fsprogs ѥåΰǤꡢ
http://e2fsprogs.sourceforge.net Ǥ롣
.SH Ϣ
.BR e2fsck (8),
.BR mke2fs (8)