| 0.t (18808) | 0.t (66861) |
|---|---|
| 1.\" Copyright (c) 1986, 1993 2.\" The Regents of the University of California. All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. --- 15 unchanged lines hidden (view full) --- 24.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30.\" SUCH DAMAGE. 31.\" | 1.\" Copyright (c) 1986, 1993 2.\" The Regents of the University of California. All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. --- 15 unchanged lines hidden (view full) --- 24.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30.\" SUCH DAMAGE. 31.\" |
| 32.\" $FreeBSD: head/sbin/fsck_ffs/SMM.doc/0.t 66861 2000-10-09 08:26:35Z adrian $ |
|
| 32.\" @(#)0.t 8.1 (Berkeley) 6/8/93 33.\" 34.if n .ND 35.TL | 33.\" @(#)0.t 8.1 (Berkeley) 6/8/93 34.\" 35.if n .ND 36.TL |
| 36Fsck \- The UNIX\(dg File System Check Program | 37Fsck_ffs \- The UNIX\(dg File System Check Program |
| 37.EH 'SMM:3-%''The \s-2UNIX\s+2 File System Check Program' 38.OH 'The \s-2UNIX\s+2 File System Check Program''SMM:3-%' 39.AU 40Marshall Kirk McKusick 41.AI 42Computer Systems Research Group 43Computer Science Division 44Department of Electrical Engineering and Computer Science --- 11 unchanged lines hidden (view full) --- 56.FS 57This work was done under grants from 58the National Science Foundation under grant MCS80-05144, 59and the Defense Advance Research Projects Agency (DoD) under 60Arpa Order No. 4031 monitored by Naval Electronic System Command under 61Contract No. N00039-82-C-0235. 62.FE 63This document reflects the use of | 38.EH 'SMM:3-%''The \s-2UNIX\s+2 File System Check Program' 39.OH 'The \s-2UNIX\s+2 File System Check Program''SMM:3-%' 40.AU 41Marshall Kirk McKusick 42.AI 43Computer Systems Research Group 44Computer Science Division 45Department of Electrical Engineering and Computer Science --- 11 unchanged lines hidden (view full) --- 57.FS 58This work was done under grants from 59the National Science Foundation under grant MCS80-05144, 60and the Defense Advance Research Projects Agency (DoD) under 61Arpa Order No. 4031 monitored by Naval Electronic System Command under 62Contract No. N00039-82-C-0235. 63.FE 64This document reflects the use of |
| 64.I fsck | 65.I fsck_ffs |
| 65with the 4.2BSD and 4.3BSD file system organization. This 66is a revision of the 67original paper written by 68T. J. Kowalski. 69.PP | 66with the 4.2BSD and 4.3BSD file system organization. This 67is a revision of the 68original paper written by 69T. J. Kowalski. 70.PP |
| 70File System Check Program (\fIfsck\fR) | 71File System Check Program (\fIfsck_ffs\fR) |
| 71is an interactive file system check and repair program. | 72is an interactive file system check and repair program. |
| 72.I Fsck | 73.I Fsck_ffs |
| 73uses the redundant structural information in the 74UNIX file system to perform several consistency checks. 75If an inconsistency is detected, it is reported 76to the operator, who may elect to fix or ignore 77each inconsistency. 78These inconsistencies result from the permanent interruption 79of the file system updates, which are performed every 80time a file is modified. 81Unless there has been a hardware failure, | 74uses the redundant structural information in the 75UNIX file system to perform several consistency checks. 76If an inconsistency is detected, it is reported 77to the operator, who may elect to fix or ignore 78each inconsistency. 79These inconsistencies result from the permanent interruption 80of the file system updates, which are performed every 81time a file is modified. 82Unless there has been a hardware failure, |
| 82.I fsck | 83.I fsck_ffs |
| 83is able to repair corrupted file systems 84using procedures based upon the order in which UNIX honors 85these file system update requests. 86.PP 87The purpose of this document is to describe the normal updating 88of the file system, 89to discuss the possible causes of file system corruption, 90and to present the corrective actions implemented 91by | 84is able to repair corrupted file systems 85using procedures based upon the order in which UNIX honors 86these file system update requests. 87.PP 88The purpose of this document is to describe the normal updating 89of the file system, 90to discuss the possible causes of file system corruption, 91and to present the corrective actions implemented 92by |
| 92.I fsck. | 93.I fsck_ffs. |
| 93Both the program and the interaction between the 94program and the operator are described. 95.sp 2 96.LP 97Revised October 7, 1996 98.AE 99.LP 100.bp --- 50 unchanged lines hidden --- | 94Both the program and the interaction between the 95program and the operator are described. 96.sp 2 97.LP 98Revised October 7, 1996 99.AE 100.LP 101.bp --- 50 unchanged lines hidden --- |