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
,
14 echo or
else some files will fail to be dumped.
20 # This is undesirable -- rms.
21 # rsh albert /usr/local/adm/motd-backup-start
23 # Get the values of BACKUP_DIRS and BACKUP_FILES, and other variables.
26 # Maybe sleep until around specified or default hour.
28 if [ "$1" != "now" ]; then
29 if [ "$1"x
!= x
]; then
34 pausetime
=`date | awk '{hr=substr($4,1,2);\\
37 print 3600*(spec-hr)-60*mn;\\
39 print 3600*(spec+(24-hr))-60*mn; }' spec=$spec`
48 LOGFILE
=log
-`date | awk '{print $2 "-" $3 "-" $6}'`-full
49 HOST
=`hostname | sed 's/\..*//'`
50 TAR_PART1
="/usr/local/bin/tar -c --multi-volume --one-file-system --block=$BLOCKING --sparse --volno-file=$VOLNO_FILE" --atime-preserve
52 # Make sure the log file did not already exist. Create it.
54 if [ -f $LOGFILE ] ; then
55 echo Log
file $LOGFILE already exists.
61 mt
-f $TAPE_FILE rewind
65 while [ $# -ne 0 ] ; do
66 host=`echo $1 | sed 's/:.*$//'`
67 fs
=`echo $1 | sed 's/^.*://'`
69 fsname
=`echo $1 | sed 's/\//:/g'`
71 TAR_PART2
="--listed=/etc/tar-backup/temp.level-0"
72 TAR_PART3
="--label='Full backup of $fs on $host at $date' -C $fs ."
74 echo Backing up
$1 at $date | tee -a $LOGFILE
76 # Actually back things up.
78 if [ $HOST != $host ] ; then
79 # Removed 2>&1/dev/null cruft since that's incorrect sh syntax.
80 rsh $host mkdir /etc
/tar-backup > /dev
/null
2>&1
81 rsh $host rm -f /etc
/tar-backup/temp.level
-0
82 rsh $host $TAR_PART1 -f $HOST:$TAPE_FILE $TAR_PART2 $TAR_PART3 2>&1 | tee -a $LOGFILE
84 mkdir /etc
/tar-backup > /dev
/null
2>&1
85 rm -f /etc
/tar-backup/temp.level
-0
86 # Using `sh -c exec' causes nested quoting and shell substitution
87 # to be handled here in the same way rsh handles it.
88 sh
-c "exec $TAR_PART1 -f $TAPE_FILE $TAR_PART2 $TAR_PART3" 2>&1 | tee -a $LOGFILE
90 if [ $?
-ne 0 ] ; then
91 echo Backup of
$1 failed.
| tee -a $LOGFILE
92 # I'm assuming that the tar will have written an empty
93 # file to the tape, otherwise I should do a cat here.
95 if [ $HOST != $host ] ; then
96 rsh $host "mv -f /etc/tar-backup/temp.level-0 /etc/tar-backup/$fsname.level-0" 2>&1 | tee -a $LOGFILE
98 mv -f /etc
/tar-backup/temp.level
-0 /etc
/tar-backup/$fsname.level
-0 2>&1 | tee -a $LOGFILE
101 $TAPE_STATUS | tee -a $LOGFILE
106 # Dump any individual files requested.
108 if [ x
!= "x$BACKUP_FILES" ] ; then
111 TAR_PART2
="--listed=/etc/tar-backup/temp.level-0"
112 TAR_PART3
="--label='Full backup of miscellaneous files at $date'"
114 mkdir /etc
/tar-backup > /dev
/null
2>&1
115 rm -f /etc
/tar-backup/temp.level
-0
117 echo Backing up miscellaneous files
at $date | tee -a $LOGFILE
118 # Using `sh -c exec' causes nested quoting and shell substitution
119 # to be handled here in the same way rsh handles it.
120 sh
-c "exec $TAR_PART1 -f $TAPE_FILE $TAR_PART2 $TAR_PART3 \
121 $BACKUP_FILES" 2>&1 | tee -a $LOGFILE
122 if [ $?
-ne 0 ] ; then
123 echo Backup of miscellaneous files failed.
| tee -a $LOGFILE
124 # I'm assuming that the tar will have written an empty
125 # file to the tape, otherwise I should do a cat here.
127 mv -f /etc
/tar-backup/temp.level
-0 /etc
/tar-backup/misc.level
-0 2>&1 | tee -a $LOGFILE
129 $TAPE_STATUS | tee -a $LOGFILE
131 echo No miscellaneous files specified
| tee -a $LOGFILE
135 mt
-f $TAPE_FILE rewind
136 mt
-f $TAPE_FILE offl
138 echo Sending the dump log to
$ADMINISTRATOR
139 cat $LOGFILE | sed -f logfile.
sed > $LOGFILE.tmp
140 /usr
/ucb
/mail -s "Results of backup on `date`" $ADMINISTRATOR < $LOGFILE.tmp
142 # This is undesirable -- rms.
143 #rsh albert /usr/local/adm/motd-backup-done &