diff options
Diffstat (limited to 'packages/initscripts/initscripts-1.0/slugos/checkroot')
| -rw-r--r-- | packages/initscripts/initscripts-1.0/slugos/checkroot | 177 |
1 files changed, 177 insertions, 0 deletions
diff --git a/packages/initscripts/initscripts-1.0/slugos/checkroot b/packages/initscripts/initscripts-1.0/slugos/checkroot new file mode 100644 index 0000000000..31291cdc65 --- /dev/null +++ b/packages/initscripts/initscripts-1.0/slugos/checkroot @@ -0,0 +1,177 @@ +#!/bin/sh +# checkroot.sh Check to root filesystem. +# +# Version: @(#)checkroot.sh 2.84 25-Jan-2002 miquels@cistron.nl +# + +. /etc/default/functions +. /etc/default/rcS + +# +# Set SULOGIN in /etc/default/rcS to yes if you want a sulogin to be spawned +# from this script *before anything else* with a timeout, like SCO does. +# +test "$SULOGIN" = yes && sulogin -t 30 $CONSOLE + +# +# Ensure that bdflush (update) is running before any major I/O is +# performed (the following fsck is a good example of such activity :). +# +test -x /sbin/update && update + +# +# Read /etc/fstab. +# +exec 9>&0 </etc/fstab +rootmode=rw +rootopts=rw +swap_on_md=no +devfs= +while read fs mnt type opts dump pass junk +do + case "$fs" in + ""|\#*) + continue; + ;; + /dev/md*) + # Swap on md device. + test "$type" = swap && swap_on_md=yes + ;; + /dev/*) + ;; + *) + # Might be a swapfile. + test "$type" = swap && swap_on_md=yes + ;; + esac + test "$type" = devfs && devfs="$fs" + test "$mnt" != / && continue + rootopts="$opts" + test "$pass" = 0 -o "$pass" = "" && ROOTFSCK=no + case "$opts" in + ro|ro,*|*,ro|*,ro,*) + rootmode=ro + ;; + esac +done +exec 0>&9 9>&- + +# +# Activate the swap device(s) in /etc/fstab. This needs to be done +# before fsck, since fsck can be quite memory-hungry. +# +# We don't test whether we're running a 2.[0123].x kernel and md +# since that's plain too old. + +if test "$DOSWAP" != no +then + swaps="$(blkid -t TYPE=swap -o device 2>/dev/null)" + if test -n "$swaps" + then + swapon $swaps 2>/dev/null + else + swapon -a 2> /dev/null + fi +fi + +# +# Check the root filesystem. +# +if test -f /fastboot || test "$ROOTFSCK" != yes +then + test "$ROOTFSCK" = yes && echo "Fast boot, no filesystem check" +elif test ! -x /sbin/fsck -a ! -x /usr/sbin/fsck +then + echo "/etc/init.d/checkroot.sh: no fsck" +else + leds disk-1 slow + # + # Ensure that root is quiescent and read-only before fsck'ing. + # + mount -n -o remount,ro / + if test $? = 0 + then + if test -f /forcefsck + then + force="-f" + else + force="" + fi + if test "$FSCKFIX" = yes + then + fix="-y" + else + fix="-a" + fi + spinner="-C" + case "$TERM" in + dumb|network|unknown|"") spinner="" ;; + esac + test "$VERBOSE" != no && echo "Checking root filesystem..." + fsck $spinner $force $fix / + # + # If there was a failure, drop into single-user mode. + # + # NOTE: "failure" is defined as exiting with a return code of + # 2 or larger. A return code of 1 indicates that filesystem + # errors were corrected but that the boot may proceed. + # + if test "$?" -gt 1 + then + # Surprise! Re-directing from a HERE document (as in + # "cat << EOF") won't work, because the root is read-only. + echo + echo "fsck failed. Please repair manually and reboot. Please note" + echo "that the root filesystem is currently mounted read-only. To" + echo "remount it read-write:" + echo + echo " # mount -n -o remount,rw /" + echo + echo "CONTROL-D will exit from this shell and REBOOT the system." + echo + leds system panic + leds beep -r 5 + # Start a single user shell on the console + if single_user_ok + then + sulogin -t 600 $CONSOLE + # if this exits with SIGALRM (which happens to be 142) the + # timeout happened, do not, then, reboot! + if test $? -ne 142 + then + reboot -f + else + echo "/etc/init.d/checkroot.sh: sulogin timeout, continuing boot" + fi + else + echo "/etc/init.d/checkroot.sh: fsck failed, continuing boot" + fi + fi + else + echo "*** ERROR! Cannot fsck root fs because it is not mounted read-only!" + echo + fi + leds disk-1 off +fi + +# +# If the root filesystem was not marked as read-only in /etc/fstab, +# remount the rootfs rw but do not try to change mtab because it +# is on a ro fs until the remount succeeded. Then clean up old mtabs +# and finally write the new mtab. +# +mount -n -o remount,$rootopts / +if test "$rootmode" = rw +then + if test ! -L /etc/mtab + then + rm -f /etc/mtab~ /etc/nologin + : > /etc/mtab + fi + mount -f -o remount / + mount -f /proc + mount -f /sys + test "$devfs" && grep -q '^devfs /dev' /proc/mounts && mount -f "$devfs" +fi + +: exit 0 |