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Diffstat (limited to 'meta/packages/initscripts/initscripts-1.0/checkroot.sh')
-rwxr-xr-x | meta/packages/initscripts/initscripts-1.0/checkroot.sh | 165 |
1 files changed, 165 insertions, 0 deletions
diff --git a/meta/packages/initscripts/initscripts-1.0/checkroot.sh b/meta/packages/initscripts/initscripts-1.0/checkroot.sh new file mode 100755 index 0000000000..8255038c32 --- /dev/null +++ b/meta/packages/initscripts/initscripts-1.0/checkroot.sh | |||
@@ -0,0 +1,165 @@ | |||
1 | # | ||
2 | # checkroot.sh Check to root filesystem. | ||
3 | # | ||
4 | # Version: @(#)checkroot.sh 2.84 25-Jan-2002 miquels@cistron.nl | ||
5 | # | ||
6 | |||
7 | . /etc/default/rcS | ||
8 | |||
9 | # | ||
10 | # Set SULOGIN in /etc/default/rcS to yes if you want a sulogin to be spawned | ||
11 | # from this script *before anything else* with a timeout, like SCO does. | ||
12 | # | ||
13 | test "$SULOGIN" = yes && sulogin -t 30 $CONSOLE | ||
14 | |||
15 | # | ||
16 | # Ensure that bdflush (update) is running before any major I/O is | ||
17 | # performed (the following fsck is a good example of such activity :). | ||
18 | # | ||
19 | test -x /sbin/update && update | ||
20 | |||
21 | # | ||
22 | # Read /etc/fstab. | ||
23 | # | ||
24 | exec 9>&0 </etc/fstab | ||
25 | rootmode=rw | ||
26 | rootopts=rw | ||
27 | rootcheck=no | ||
28 | swap_on_md=no | ||
29 | devfs= | ||
30 | while read fs mnt type opts dump pass junk | ||
31 | do | ||
32 | case "$fs" in | ||
33 | ""|\#*) | ||
34 | continue; | ||
35 | ;; | ||
36 | /dev/md*) | ||
37 | # Swap on md device. | ||
38 | test "$type" = swap && swap_on_md=yes | ||
39 | ;; | ||
40 | /dev/*) | ||
41 | ;; | ||
42 | *) | ||
43 | # Might be a swapfile. | ||
44 | test "$type" = swap && swap_on_md=yes | ||
45 | ;; | ||
46 | esac | ||
47 | test "$type" = devfs && devfs="$fs" | ||
48 | test "$mnt" != / && continue | ||
49 | rootopts="$opts" | ||
50 | test "$pass" = 0 -o "$pass" = "" && rootcheck=no | ||
51 | case "$opts" in | ||
52 | ro|ro,*|*,ro|*,ro,*) | ||
53 | rootmode=ro | ||
54 | ;; | ||
55 | esac | ||
56 | done | ||
57 | exec 0>&9 9>&- | ||
58 | |||
59 | # | ||
60 | # Activate the swap device(s) in /etc/fstab. This needs to be done | ||
61 | # before fsck, since fsck can be quite memory-hungry. | ||
62 | # | ||
63 | doswap=no | ||
64 | test -d /proc/1 || mount -n /proc | ||
65 | case "`uname -r`" in | ||
66 | 2.[0123].*) | ||
67 | if test $swap_on_md = yes && grep -qs resync /proc/mdstat | ||
68 | then | ||
69 | test "$VERBOSE" != no && echo "Not activating swap - RAID array resyncing" | ||
70 | else | ||
71 | doswap=yes | ||
72 | fi | ||
73 | ;; | ||
74 | *) | ||
75 | doswap=yes | ||
76 | ;; | ||
77 | esac | ||
78 | if test $doswap = yes | ||
79 | then | ||
80 | test "$VERBOSE" != no && echo "Activating swap" | ||
81 | swapon -a 2> /dev/null | ||
82 | fi | ||
83 | |||
84 | # | ||
85 | # Check the root filesystem. | ||
86 | # | ||
87 | if test -f /fastboot || test $rootcheck = no | ||
88 | then | ||
89 | test $rootcheck = yes && echo "Fast boot, no filesystem check" | ||
90 | else | ||
91 | # | ||
92 | # Ensure that root is quiescent and read-only before fsck'ing. | ||
93 | # | ||
94 | mount -n -o remount,ro / | ||
95 | if test $? = 0 | ||
96 | then | ||
97 | if test -f /forcefsck | ||
98 | then | ||
99 | force="-f" | ||
100 | else | ||
101 | force="" | ||
102 | fi | ||
103 | if test "$FSCKFIX" = yes | ||
104 | then | ||
105 | fix="-y" | ||
106 | else | ||
107 | fix="-a" | ||
108 | fi | ||
109 | spinner="-C" | ||
110 | case "$TERM" in | ||
111 | dumb|network|unknown|"") spinner="" ;; | ||
112 | esac | ||
113 | test `uname -m` = s390 && spinner="" # This should go away | ||
114 | test "$VERBOSE" != no && echo "Checking root filesystem..." | ||
115 | fsck $spinner $force $fix / | ||
116 | # | ||
117 | # If there was a failure, drop into single-user mode. | ||
118 | # | ||
119 | # NOTE: "failure" is defined as exiting with a return code of | ||
120 | # 2 or larger. A return code of 1 indicates that filesystem | ||
121 | # errors were corrected but that the boot may proceed. | ||
122 | # | ||
123 | if test "$?" -gt 1 | ||
124 | then | ||
125 | # Surprise! Re-directing from a HERE document (as in | ||
126 | # "cat << EOF") won't work, because the root is read-only. | ||
127 | echo | ||
128 | echo "fsck failed. Please repair manually and reboot. Please note" | ||
129 | echo "that the root filesystem is currently mounted read-only. To" | ||
130 | echo "remount it read-write:" | ||
131 | echo | ||
132 | echo " # mount -n -o remount,rw /" | ||
133 | echo | ||
134 | echo "CONTROL-D will exit from this shell and REBOOT the system." | ||
135 | echo | ||
136 | # Start a single user shell on the console | ||
137 | /sbin/sulogin $CONSOLE | ||
138 | reboot -f | ||
139 | fi | ||
140 | else | ||
141 | echo "*** ERROR! Cannot fsck root fs because it is not mounted read-only!" | ||
142 | echo | ||
143 | fi | ||
144 | fi | ||
145 | |||
146 | # | ||
147 | # If the root filesystem was not marked as read-only in /etc/fstab, | ||
148 | # remount the rootfs rw but do not try to change mtab because it | ||
149 | # is on a ro fs until the remount succeeded. Then clean up old mtabs | ||
150 | # and finally write the new mtab. | ||
151 | # | ||
152 | mount -n -o remount,$rootmode / | ||
153 | if test "$rootmode" = rw | ||
154 | then | ||
155 | if test ! -L /etc/mtab | ||
156 | then | ||
157 | rm -f /etc/mtab~ /etc/nologin | ||
158 | : > /etc/mtab | ||
159 | fi | ||
160 | mount -f -o remount / | ||
161 | mount -f /proc | ||
162 | test "$devfs" && grep -q '^devfs /dev' /proc/mounts && mount -f "$devfs" | ||
163 | fi | ||
164 | |||
165 | : exit 0 | ||