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Diffstat (limited to 'sbin/badsect/badsect.8')
-rw-r--r-- | sbin/badsect/badsect.8 | 133 |
1 files changed, 0 insertions, 133 deletions
diff --git a/sbin/badsect/badsect.8 b/sbin/badsect/badsect.8 deleted file mode 100644 index 498febab1d96..000000000000 --- a/sbin/badsect/badsect.8 +++ /dev/null @@ -1,133 +0,0 @@ -.\" Copyright (c) 1985, 1991, 1993 -.\" The Regents of the University of California. All rights reserved. -.\" -.\" Redistribution and use in source and binary forms, with or without -.\" modification, are permitted provided that the following conditions -.\" are met: -.\" 1. Redistributions of source code must retain the above copyright -.\" notice, this list of conditions and the following disclaimer. -.\" 2. Redistributions in binary form must reproduce the above copyright -.\" notice, this list of conditions and the following disclaimer in the -.\" documentation and/or other materials provided with the distribution. -.\" 3. Neither the name of the University nor the names of its contributors -.\" may be used to endorse or promote products derived from this software -.\" without specific prior written permission. -.\" -.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND -.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE -.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL -.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS -.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) -.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT -.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY -.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF -.\" SUCH DAMAGE. -.\" -.\" @(#)badsect.8 8.1 (Berkeley) 6/5/93 -.\" $FreeBSD$ -.\" -.Dd June 5, 1993 -.Dt BADSECT 8 -.Os -.Sh NAME -.Nm badsect -.Nd create files to contain bad sectors -.Sh SYNOPSIS -.Nm -.Ar bbdir sector ... -.Sh DESCRIPTION -The -.Nm -utility makes a file to contain a bad sector. -Normally, bad sectors -are made inaccessible by the standard formatter, which provides -a forwarding table for bad sectors to the driver. -If a driver supports the bad blocking standard it is much preferable to -use that method to isolate bad blocks, since the bad block forwarding -makes the pack appear perfect, and such packs can then be copied with -.Xr dd 1 . -The technique used by this program is also less general than -bad block forwarding, as -.Nm -cannot make amends for -bad blocks in the i-list of file systems or in swap areas. -.Pp -On some disks, -adding a sector which is suddenly bad to the bad sector table -currently requires the running of the standard -.Tn DEC -formatter. -Thus to deal with a newly bad block -or on disks where the drivers -do not support the bad-blocking standard -.Nm -may be used to good effect. -.Pp -The -.Nm -utility is used on a quiet file system in the following way: -First mount the file system, and change to its root directory. -Make a directory -.Li BAD -there. -Run -.Nm -giving as argument the -.Ar BAD -directory followed by -all the bad sectors you wish to add. -(The sector numbers must be relative to the beginning of -the file system, but this is not hard as the system reports -relative sector numbers in its console error messages.) -Then change back to the root directory, unmount the file system -and run -.Xr fsck 8 -on the file system. -The bad sectors should show up in two files -or in the bad sector files and the free list. -Have -.Xr fsck 8 -remove files containing the offending bad sectors, but -.Em do not -have it remove the -.Pa BAD/ Ns Em nnnnn -files. -This will leave the bad sectors in only the -.Li BAD -files. -.Pp -The -.Nm -utility works by giving the specified sector numbers in a -.Xr mknod 2 -system call, -creating an illegal file whose first block address is the block containing -bad sector and whose name is the bad sector number. -When it is discovered by -.Xr fsck 8 -it will ask -.Dq Li "HOLD BAD BLOCK \&?" . -A positive response will cause -.Xr fsck 8 -to convert the inode to a regular file containing the bad block. -.Sh DIAGNOSTICS -The -.Nm -utility refuses to attach a block that -resides in a critical area or is out of range of the file system. -A warning is issued if the block is already in use. -.Sh SEE ALSO -.Xr fsck 8 -.Sh HISTORY -The -.Nm -utility appeared in -.Bx 4.1 . -.Sh BUGS -If more than one sector which comprise a file system fragment are bad, -you should specify only one of them to -.Nm , -as the blocks in the bad sector files actually cover all the sectors in a -file system fragment. |