3 # Run this script as root on the machine that has the tape drive, to make a
6 # If you give `now' as an argument, the dump is done immediately.
7 # Otherwise, it waits until 1am, or until the hour given as argument.
8 # Specify the hour as a number from 0 to 23.
10 # You must edit the file `backup-specs' to set the parameters for your site.
13 echo The backup must be run as root or
else some files will fail to be dumped.
19 # Get the values of BACKUP_DIRS and BACKUP_FILES, and other variables.
22 # Maybe sleep until around specified or default hour.
24 if [ "${1}" != "now" ]; then
25 if [ "${1}x" != "x" ]; then
30 pausetime
=`date | awk '{hr=substr($4,1,2);\\
33 print 3600*(spec-hr)-60*mn;\\
35 print 3600*(spec+(24-hr))-60*mn; }' spec=$spec`
44 LOGFILE
=log
-`date | awk '{print $2 "-" $3 "-" $6}'`-full
45 HOST
=`hostname | sed 's/\..*//'`
46 TAR_PART1
="/usr/local/bin/tar -c --multi-volume --one-file-system --block=${BLOCKING} --sparse --volno-file=${VOLNO_FILE}"
48 # Only use --info-script if DUMP_REMIND_SCRIPT was defined in backup-specs
49 if [ x
!= "x${DUMP_REMIND_SCRIPT}" ]; then
50 TAR_PART1
="${TAR_PART1} --info-script=${DUMP_REMIND_SCRIPT}"
53 # Make sure the log file did not already exist. Create it.
55 if [ -f ${LOGFILE} ] ; then
56 echo Log
file ${LOGFILE} already exists.
62 mt
-f ${TAPE_FILE} rewind
66 while [ $# -ne 0 ] ; do
67 host=`echo ${1} | sed 's/:.*$//'`
68 fs
=`echo ${1} | sed 's/^.*://'`
70 fsname
=`echo $1 | sed 's/\//:/g'`
72 TAR_PART2
="--listed=/etc/tar-backup/temp.level-0"
73 TAR_PART3
="--label='Full backup of ${fs} on ${host} at ${date}' -C ${fs} ."
75 echo Backing up
${1} at ${date} | tee -a ${LOGFILE}
77 # Actually back things up.
79 if [ ${HOST} != ${host} ] ; then
80 # Removed 2>&1/dev/null cruft since that's incorrect sh syntax.
81 rsh ${host} mkdir /etc
/tar-backup > /dev
/null
2>&1
82 rsh ${host} rm -f /etc
/tar-backup/temp.level
-0
83 rsh ${host} ${TAR_PART1} -f ${HOST}:${TAPE_FILE} ${TAR_PART2} ${TAR_PART3} 2>&1 | tee -a ${LOGFILE}
85 mkdir /etc
/tar-backup > /dev
/null
2>&1
86 rm -f /etc
/tar-backup/temp.level
-0
87 # Using `sh -c exec' causes nested quoting and shell substitution
88 # to be handled here in the same way rsh handles it.
89 sh
-c "exec ${TAR_PART1} -f ${TAPE_FILE} ${TAR_PART2} ${TAR_PART3}" 2>&1 | tee -a ${LOGFILE}
91 # This doesn't presently work, of course, because $? is set to the exit
92 # status of the last thing in the pipeline of the previous command,
93 # namely `tee'. We really want the exit status of the sh command
94 # running tar, but getting this seems to be nontrivial. --friedman
95 if [ $?
-ne 0 ] ; then
96 echo Backup of
${1} failed.
| tee -a ${LOGFILE}
97 # I'm assuming that the tar will have written an empty
98 # file to the tape, otherwise I should do a cat here.
100 if [ ${HOST} != ${host} ] ; then
101 rsh ${host} "mv -f /etc/tar-backup/temp.level-0 /etc/tar-backup/${fsname}.level-0" 2>&1 | tee -a ${LOGFILE}
103 mv -f /etc
/tar-backup/temp.level
-0 /etc
/tar-backup/${fsname}.level
-0 2>&1 | tee -a ${LOGFILE}
106 ${TAPE_STATUS} | tee -a ${LOGFILE}
111 # Dump any individual files requested.
113 if [ x
!= "x${BACKUP_FILES}" ] ; then
116 TAR_PART2
="--listed=/etc/tar-backup/temp.level-0"
117 TAR_PART3
="--label='Full backup of miscellaneous files at ${date}'"
119 mkdir /etc
/tar-backup > /dev
/null
2>&1
120 rm -f /etc
/tar-backup/temp.level
-0
122 echo Backing up miscellaneous files
at ${date} | tee -a ${LOGFILE}
123 # Using `sh -c exec' causes nested quoting and shell substitution
124 # to be handled here in the same way rsh handles it.
125 sh
-c "exec ${TAR_PART1} -f ${TAPE_FILE} ${TAR_PART2} ${TAR_PART3} \
126 ${BACKUP_FILES}" 2>&1 | tee -a ${LOGFILE}
127 # This doesn't presently work, of course, because $? is set to the exit
128 # status of the last thing in the pipeline of the previous command,
129 # namely `tee'. We really want the exit status of the sh command
130 # running tar, but getting this seems to be nontrivial. --friedman
131 if [ $?
-ne 0 ] ; then
132 echo Backup of miscellaneous files failed.
| tee -a ${LOGFILE}
133 # I'm assuming that the tar will have written an empty
134 # file to the tape, otherwise I should do a cat here.
136 mv -f /etc
/tar-backup/temp.level
-0 /etc
/tar-backup/misc.level
-0 2>&1 | tee -a ${LOGFILE}
138 ${TAPE_STATUS} | tee -a ${LOGFILE}
140 echo No miscellaneous files specified
| tee -a ${LOGFILE}
144 mt
-f ${TAPE_FILE} rewind
145 mt
-f ${TAPE_FILE} offl
147 echo Sending the dump log to
${ADMINISTRATOR}
148 cat ${LOGFILE} | sed -f logfile.
sed > ${LOGFILE}.tmp
149 /usr
/ucb
/mail -s "Results of backup on `date`" ${ADMINISTRATOR} < ${LOGFILE}.tmp