backup/old-increm

   1 #!/bin/sh
   2
   3 set -e
   4 false
   5 dir=/var/local/backup
   6 device=/dev/sda4
   7 blocksize=2048
   8 filesystems=all
   9
  10 cd $dir
  11 PATH=/usr/local/lib/backup:$PATH export PATH
  12
  13 echo "FAILED during startup of incremental" >this-status
  14
  15 timestamp='.'
  16 for tsfs in `cat all-fsys-n`
  17 do
  18         echo "Checking timestamp of last full dump of $tsfs;"
  19         if ! test "lfull.$timestamp" -ot "lfull.$tsfs"
  20         then
  21                 timestamp="$tsfs"
  22         fi
  23 done
  24
  25 if test -f "lfull.$timestamp"
  26 then
  27         echo "Using timestamp of last full dump of $timestamp."
  28 else
  29         echo >&2 "No full dump of $timestamp done yet."
  30         exit 1
  31 fi
  32
  33 rm -f this-fulldump
  34 since="`cat lfull.$timestamp`"
  35 doing="incremental since dump of $timestamp at `cat lfull.$timestamp` to $device"
  36
  37 >increm-log
  38 chmod 660 increm-log
  39
  40 echo Doing "$doing" ...
  41 echo "$doing": >>increm-log
  42 cat fsys.all
  43 echo "tar -lvvc \"-N$since\" -T$dir/fsys.all -f - \\"
  44 echo "  2>>increm-log | dd of=$device bs=${blocksize}b"
  45 echo "FAILED during incremental" >this-status
  46 cd /
  47 tar -lvvc "-N$since" -T$dir/fsys.all -f - 2>>$dir/increm-log \
  48         | dd of=$device bs=${blocksize}b
  49 cd $dir
  50
  51 echo "FAILED during cleanup" >this-status
  52
  53 test -f this-fulldump && mv this-fulldump "lfull.$filesystems"
  54 echo "$doing" completed.
  55
  56 echo "Next dump tape to use would be `cat next-full`".
  57
  58 echo "INCREMENTAL successful" >this-status