From 7953f61012d10f2040d63108cbe277f8854e6423 Mon Sep 17 00:00:00 2001 From: Theodore Ts'o Date: Sat, 9 Jan 1999 05:03:52 +0000 Subject: [PATCH] ChangeLog, fsck.8.in: fsck.8.in: Clarified and expanded the documentation for the -A switch. --- misc/ChangeLog | 5 +++++ misc/fsck.8.in | 26 ++++++++++++++++++++++++++ 2 files changed, 31 insertions(+) diff --git a/misc/ChangeLog b/misc/ChangeLog index 7880855..f38cf7b 100644 --- a/misc/ChangeLog +++ b/misc/ChangeLog @@ -1,3 +1,8 @@ +1999-01-09 Theodore Ts'o + + * fsck.8.in: Clarified and expanded the documentation for the -A + switch. + 1999-01-07 Theodore Ts'o * fsck.c (load_fs_info): If the pass number field is missing, it diff --git a/misc/fsck.8.in b/misc/fsck.8.in index 58d23b9..806f378 100644 --- a/misc/fsck.8.in +++ b/misc/fsck.8.in @@ -76,6 +76,32 @@ typically used from the .I /etc/rc system initalization file, instead of multiple commands for checking a single file system. +.sp +The root filesystem will be checked first unless the +.B -P +option is specified (see below). After that, +filesystems will be checked in the order specified by the +.I fs_passno +(the sixth) field in the +.I /etc/fstab +file. If there are multiple filesystems with the same pass number, +e2fsck will attempt to check them in parallel, although it will avoid running +multiple filesystem checks on the same physical disk. Hence, +a very common configuration in +.I /etc/fstab +files is to set the root filesystem to have a +.I fs_passno +value of 1 +and to set all filesystems to have a +.I fs_passno +value of 2. This will allow +.B fsck +to automatically run filesystem checkers in parallel if it is advantageous +to do so. System administrators might choose +not to use this configuration if they need to avoid multiple filesystem +checks running in parallel for some reason --- for example, if the +machine in question is short on memory so that +excessive paging is a concern. .TP .B -R When checking all file systems with the -- 1.8.3.1