xref: /netbsd/usr.sbin/dumpfs/dumpfs.8 (revision e59ecd76)
1*e59ecd76Sdsl.\"	$NetBSD: dumpfs.8,v 1.14 2003/08/30 10:30:52 dsl Exp $
20114e805Scgd.\"
3ccfa3742Smycroft.\" Copyright (c) 1983, 1991, 1993
4ccfa3742Smycroft.\"	The Regents of the University of California.  All rights reserved.
561f28255Scgd.\"
661f28255Scgd.\" Redistribution and use in source and binary forms, with or without
761f28255Scgd.\" modification, are permitted provided that the following conditions
861f28255Scgd.\" are met:
961f28255Scgd.\" 1. Redistributions of source code must retain the above copyright
1061f28255Scgd.\"    notice, this list of conditions and the following disclaimer.
1161f28255Scgd.\" 2. Redistributions in binary form must reproduce the above copyright
1261f28255Scgd.\"    notice, this list of conditions and the following disclaimer in the
1361f28255Scgd.\"    documentation and/or other materials provided with the distribution.
14326b2259Sagc.\" 3. Neither the name of the University nor the names of its contributors
1561f28255Scgd.\"    may be used to endorse or promote products derived from this software
1661f28255Scgd.\"    without specific prior written permission.
1761f28255Scgd.\"
1861f28255Scgd.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
1961f28255Scgd.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
2061f28255Scgd.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
2161f28255Scgd.\" ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
2261f28255Scgd.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
2361f28255Scgd.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
2461f28255Scgd.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
2561f28255Scgd.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
2661f28255Scgd.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
2761f28255Scgd.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
2861f28255Scgd.\" SUCH DAMAGE.
2961f28255Scgd.\"
300114e805Scgd.\"     @(#)dumpfs.8	8.1 (Berkeley) 6/5/93
31346aa5ddScgd.\"
32*e59ecd76Sdsl.Dd August 30, 2003
3361f28255Scgd.Dt DUMPFS 8
34d1407362Sgarbled.Os
3561f28255Scgd.Sh NAME
3661f28255Scgd.Nm dumpfs
3761f28255Scgd.Nd dump file system information
3861f28255Scgd.Sh SYNOPSIS
390dbf4ab9Slukem.Nm
40*e59ecd76Sdsl.Op Fl Fcimsv
41e4ec9e7aSlukem.Ar filesys No \&| Ar device
42e4ec9e7aSlukem.Op Ar \&.\&.\&.
4361f28255Scgd.Sh DESCRIPTION
440dbf4ab9Slukem.Nm
45*e59ecd76Sdslprints out detailed information about the specified filesystems.
46*e59ecd76Sdsl.Pp
47*e59ecd76SdslOptions:
48*e59ecd76Sdsl.Bl -tag -width Ds
49*e59ecd76Sdsl.It Fl F
50*e59ecd76SdslDump a file system image from a file, not a special device.
51*e59ecd76Sdsl.It Fl c
52*e59ecd76SdslPrint details of each cylinder group.
53*e59ecd76Sdsl.It Fl i
54*e59ecd76SdslPrint details of each allocated inode.
55*e59ecd76Sdsl.It Fl m
56*e59ecd76SdslPrint details of the cylinder group summary.
57*e59ecd76Sdsl.It Fl s
58*e59ecd76SdslPrint details of the superblock.
59*e59ecd76Sdsl.It Fl v
60*e59ecd76SdslBe even more verbose.
61*e59ecd76Sdsl.El
62*e59ecd76Sdsl.Pp
63*e59ecd76SdslIf none of
64*e59ecd76Sdsl.Fl c ,
65*e59ecd76Sdsl.Fl i ,
66*e59ecd76Sdsl.Fl m
67*e59ecd76Sdslor
68*e59ecd76Sdsl.Fl s
69*e59ecd76Sdslare given, then
70*e59ecd76Sdsl.Nm
71*e59ecd76Sdsldefaults to
72*e59ecd76Sdsl.Fl cms .
730dbf4ab9Slukem.Pp
740dbf4ab9Slukem.Nm
750dbf4ab9Slukemis useful mostly for finding out certain file system
760dbf4ab9Slukeminformation such as the file system block size, minimum
770dbf4ab9Slukemfree space percentage, and the file system level that
780dbf4ab9Slukemcan be upgraded with the
790dbf4ab9Slukem.Fl c
800dbf4ab9Slukemoption of
810dbf4ab9Slukem.Xr fsck_ffs 8 .
82*e59ecd76SdslAll of this information is output by
83*e59ecd76Sdsl.Nm
84*e59ecd76Sdsl.Fl s .
8561f28255Scgd.Sh SEE ALSO
8661f28255Scgd.Xr disktab 5 ,
870dbf4ab9Slukem.Xr fs 5 ,
8861f28255Scgd.Xr disklabel 8 ,
890dbf4ab9Slukem.Xr fsck 8 ,
90a18d6f19Slukem.Xr fsck_ffs 8 ,
9161f28255Scgd.Xr newfs 8 ,
920dbf4ab9Slukem.Xr tunefs 8
9361f28255Scgd.Sh HISTORY
9461f28255ScgdThe
9561f28255Scgd.Nm
9661f28255Scgdcommand appeared in
9761f28255Scgd.Bx 4.2 .
98*e59ecd76SdslThe
99*e59ecd76Sdsl.Fl c ,
100*e59ecd76Sdsl.Fl i ,
101*e59ecd76Sdsl.Fl m
102*e59ecd76Sdsland
103*e59ecd76Sdsl.Fl s
104*e59ecd76Sdsloptions, and the inode dump were added for NetBSD 2.0.
105