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Language/OS - Multiplatform Resource Library
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LANGUAGE OS.iso
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a_utils
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unix
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tar_110.lha
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tar-1.10
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level-0
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1991-07-01
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4KB
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144 lines
#!/bin/sh
#
# Run this script as root on the machine that has the tape drive, to make a
# full dump.
#
# If you give `now' as an argument, the dump is done immediately.
# Otherwise, it waits until 1am, or until the hour given as argument.
# Specify the hour as a number from 0 to 23.
#
# You must edit the file `backup-specs' to set the parameters for your site.
if [ ! -w / ]; then
echo The backup must be run as root,
echo or else some files will fail to be dumped.
exit 1
else
false
fi
# This is undesirable -- rms.
# rsh albert /usr/local/adm/motd-backup-start
# Get the values of BACKUP_DIRS and BACKUP_FILES, and other variables.
. ./backup-specs
# Maybe sleep until around specified or default hour.
#
if [ "$1" != "now" ]; then
if [ "$1"x != x ]; then
spec=$1
else
spec=$BACKUP_HOUR
fi
pausetime=`date | awk '{hr=substr($4,1,2);\\
mn=substr($4,4,2);\\
if((hr+0)<spec)\\
print 3600*(spec-hr)-60*mn;\\
else\\
print 3600*(spec+(24-hr))-60*mn; }' spec=$spec`
clear
cat ./dont_touch
sleep $pausetime
fi
# start doing things
here=`pwd`
LOGFILE=log-`date | awk '{print $2 "-" $3 "-" $6}'`-full
HOST=`hostname | sed 's/\..*//'`
TAR_PART1="/usr/local/bin/tar -c +multi-volume +one-file-system +block=$BLOCKING +sparse"
#TAR_PART1="/usr/local/bin/tar -c +multi-volume +one-file-system +block=$BLOCKING "
# Make sure the log file did not already exist. Create it.
if [ -f $LOGFILE ] ; then
echo Log file $LOGFILE already exists.
exit 1
else
touch $LOGFILE
fi
mt -f $TAPE_FILE rewind
set $BACKUP_DIRS
while [ $# -ne 0 ] ; do
host=`echo $1 | sed 's/:.*$//'`
fs=`echo $1 | sed 's/^.*://'`
date=`date`
fsname=`echo $1 | sed 's/\//:/g'`
TAR_PART2="+listed=/etc/tar-backup/temp.level-0"
TAR_PART3="+label='Full backup of $fs on $host at $date' -C $fs ."
echo Backing up $1 at $date | tee -a $LOGFILE
# Actually back things up.
if [ $HOST != $host ] ; then
rsh $host "mkdir /etc/tar-backup 2>&1/dev/null; \
rm -f /etc/tar-backup/temp.level-0; \
$TAR_PART1 -f $HOST:$TAPE_FILE $TAR_PART2 $TAR_PART3" \
2>&1 | tee -a $LOGFILE
else
mkdir /etc/tar-backup 2>&1/dev/null
rm -f /etc/tar-backup/temp.level-0
# Using `sh -c exec' causes nested quoting and shell substitution
# to be handled here in the same way rsh handles it.
sh -c "exec $TAR_PART1 -f $TAPE_FILE $TAR_PART2 $TAR_PART3" 2>&1 | tee -a $LOGFILE
fi
if [ $? -ne 0 ] ; then
echo Backup of $1 failed. | tee -a $LOGFILE
# I'm assuming that the tar will have written an empty
# file to the tape, otherwise I should do a cat here.
else
if [ $HOST != $host ] ; then
rsh $host mv -f /etc/tar-backup/temp.level-0 /etc/tar-backup/$fsname.level-0 2>&1 | tee -a $LOGFILE
else
mv -f /etc/tar-backup/temp.level-0 /etc/tar-backup/$fsname.level-0 2>&1 | tee -a $LOGFILE
fi
fi
$TAPE_STATUS | tee -a $LOGFILE
sleep 60
shift
done
# Dump any individual files requested.
if [ x != "x$BACKUP_FILES" ] ; then
date=`date`
TAR_PART2="+listed=/etc/tar-backup/temp.level-0"
TAR_PART3="+label='Full backup of miscellaneous files at $date'"
mkdir /etc/tar-backup 2>&1/dev/null
rm -f /etc/tar-backup/temp.level-0
echo Backing up miscellaneous files at $date | tee -a $LOGFILE
# Using `sh -c exec' causes nested quoting and shell substitution
# to be handled here in the same way rsh handles it.
sh -c "exec $TAR_PART1 -f $TAPE_FILE $TAR_PART2 $TAR_PART3 \
$BACKUP_FILES" 2>&1 | tee -a $LOGFILE
if [ $? -ne 0 ] ; then
echo Backup of miscellaneous files failed. | tee -a $LOGFILE
# I'm assuming that the tar will have written an empty
# file to the tape, otherwise I should do a cat here.
else
mv -f /etc/tar-backup/temp.level-0 /etc/tar-backup/misc.level-0 2>&1 | tee -a $LOGFILE
fi
$TAPE_STATUS | tee -a $LOGFILE
else
echo No miscellaneous files specified | tee -a $LOGFILE
false
fi
mt -f $TAPE_FILE rewind
mt -f $TAPE_FILE offl
echo Sending the dump log to $ADMINISTRATOR
cat $LOGFILE | sed -f logfile.sed > $LOGFILE.tmp
/usr/ucb/mail -s "Results of backup on `date`" $ADMINISTRATOR < $LOGFILE.tmp
# This is undesirable -- rms.
#rsh albert /usr/local/adm/motd-backup-done &