1.\" $NetBSD: fsck_v7fs.8,v 1.3 2016/09/11 04:19:52 sevan Exp $ 2.\" 3.\" Copyright (c) 2011 The NetBSD Foundation, Inc. 4.\" All rights reserved. 5.\" 6.\" This code is derived from software contributed to The NetBSD Foundation 7.\" by UCHIYAMA Yasushi. 8.\" 9.\" Redistribution and use in source and binary forms, with or without 10.\" modification, are permitted provided that the following conditions 11.\" are met: 12.\" 1. Redistributions of source code must retain the above copyright 13.\" notice, this list of conditions and the following disclaimer. 14.\" 2. Redistributions in binary form must reproduce the above copyright 15.\" notice, this list of conditions and the following disclaimer in the 16.\" documentation and/or other materials provided with the distribution. 17.\" 18.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 19.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 20.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 21.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 22.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 23.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 26.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 28.\" POSSIBILITY OF SUCH DAMAGE. 29.\" 30.Dd September 11, 2016 31.Dt FSCK_V7FS 8 32.Os 33.Sh NAME 34.Nm fsck_v7fs 35.Nd 7th Edition(V7) filesystem consistency checker 36.Sh SYNOPSIS 37.Nm 38.Op Fl FnPpy 39.Op Fl B Ar byteorder 40.Op Fl o Ar options 41.Ar filesystem ... 42.Sh DESCRIPTION 43The 44.Nm 45utility verifies and repairs 46.Tn Version 7 47file systems. 48.Pp 49The following flags are interpreted by 50.Nm . 51.Bl -tag -width XBXbyteorderXX -offset indent 52.It Fl B Ar byteorder 53Convert the file system metadata to 54.Ar byteorder 55byte order if needed. 56Valid byte orders are 57.Dq be , 58.Dq le , 59and 60.Dq pdp . 61.It Fl F 62Check file system inside a regular file. 63.It Fl n 64Do not correct file system. 65.It Fl o 66Options are specified with a 67.Fl o 68flag followed by a comma separated string of options. 69The following options are available: 70.Bl -tag -width data 71.It Cm data 72Check data block duplication. 73.It Cm free 74Check free block duplication. 75.El 76.It Fl P 77Display a progress meter for the file system check. 78.It Fl p 79Preen mode. 80See 81.Xr fsck 8 . 82.It Fl y 83Causes 84.Nm 85to assume yes as the answer to all operator questions. 86.El 87.Sh SEE ALSO 88.Xr fsck 8 , 89.Xr mount_v7fs 8 , 90.Xr newfs_v7fs 8 91.Sh HISTORY 92A 93.Nm 94utility appeared in 95.Nx 6.0 . 96.Sh AUTHORS 97.Nm 98was written by 99.An UCHIYAMA Yasushi Aq Mt uch@NetBSD.org . 100.Sh BUGS 101.Nm 102is still under construction. 103