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29 .\" @(#)1.t 8.1 (Berkeley) 6/5/93
35 This document reflects the use of
37 with the 4.2BSD and 4.3BSD file system organization. This
39 original paper written by
43 operating system is brought up, a consistency
44 check of the file systems should always be performed.
45 This precautionary measure helps to insure
46 a reliable environment for file storage on disk.
47 If an inconsistency is discovered,
48 corrective action must be taken.
51 Normally it is run non-interactively by the system after
53 When running in this mode,
54 it will only make changes to the file system that are known
56 If an unexpected inconsistency is found
58 will exit with a non-zero exit status,
59 leaving the system running single-user.
60 Typically the operator then runs
63 When running in this mode,
64 each problem is listed followed by a suggested corrective action.
65 The operator must decide whether or not the suggested correction
68 The purpose of this memo is to dispel the
70 file system inconsistencies.
71 It first describes the updating of the file system
72 (the calm before the storm) and
73 then describes file system corruption (the storm).
75 the set of deterministic corrective actions
79 to the rescue) is presented.
80 .ds RH Overview of the File System