1994-05-26 06:35:07 +00:00
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.\" Copyright (c) 1993
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.\" The Regents of the University of California. All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\" 3. All advertising materials mentioning features or use of this software
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.\" must display the following acknowledgement:
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.\" This product includes software developed by the University of
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.\" California, Berkeley and its contributors.
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.\" 4. Neither the name of the University nor the names of its contributors
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.\" may be used to endorse or promote products derived from this software
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.\" without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" @(#)newlfs.8 8.1 (Berkeley) 6/19/93
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.\"
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.Dd June 19, 1993
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.Dt NEWLFS 8
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.Os BSD 4.4
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.Sh NAME
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.Nm newlfs
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.Nd construct a new LFS file system
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.Sh SYNOPSIS
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.Nm newlfs
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.Fl L
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.Op Ar newlfs-options
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.Ar special
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.Sh DESCRIPTION
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.Nm Newlfs
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builds a log-structured file system on the specified special
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device basing its defaults on the information in the disk label.
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(Before running
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.Nm newlfs
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the disk must be labeled using
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.Xr disklabel 8 .)
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.Pp
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The following options define the general layout policies.
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.Bl -tag -width Fl
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.It Fl B
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The logical segment size of the file system in bytes.
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.It Fl b Ar block-size
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The block size of the file system in bytes.
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.It Fl L
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Create a log-structured file system (LFS).
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This flag is currently required.
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.It Fl m Ar free space \&%
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The percentage of space reserved from normal users; the minimum
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free space threshold. The default value used is 10%.
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See
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.Xr tunefs 8
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for more details on how to set this option.
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.It Fl s Ar size
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The size of the file system in sectors.
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.El
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.Sh SEE ALSO
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.Xr disktab 5 ,
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.Xr fs 5 ,
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.Xr dumplfs 8 ,
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.Xr disklabel 8 ,
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.Xr diskpart 8 ,
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.Xr tunefs 8
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.Rs
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.%A M. McKusick
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.%A W. Joy
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.%A S. Leffler
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.%A R. Fabry
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.%T A Fast File System for UNIX ,
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.%J ACM Transactions on Computer Systems 2
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.%V 3
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.%P pp 181-197
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.%D August 1984
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.%O (reprinted in the BSD System Manager's Manual)
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.Re
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1996-05-12 11:12:17 +00:00
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.Sh BUGS
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LFS does not currently work in any variant of FreeBSD and should therefore
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not be used.
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1994-05-26 06:35:07 +00:00
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.Sh HISTORY
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The
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.Nm
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command appeared in
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.Bx 4.4 .
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