bin/backup

   1 #!/bin/bash
   2 ################################################################################
   3 #
   4 # File:         $RCSfile: backup,v $
   5 # Revision:     $Revision: 1.7 $
   6 # Description:  This script backs up the system in a consistent way
   7 # Author:       Andrew@DeFaria.com
   8 # Created:      Tue Jul 27 15:00:11 PDT 2004
   9 # Modified:     $Date: 2011/05/26 06:17:20 $
  10 # Language:     Bash
  11 #
  12 # (c) Copyright 2000-2005, ClearSCM, Inc., all rights reserved.
  13 #
  14 ################################################################################
  15 # Full Backup
  16 backup=/sbin/dump
  17 dumppath=/backup
  18 filesystems="sda1 sdb1"
  19 compression=9
  20
  21 if [ -f /etc/dump.excludes ]; then
  22   excludes="-E /etc/dump.excludes"
  23 else
  24   excludes=""
  25 fi
  26
  27 if [ $(id -u) -ne 0 ]; then
  28   echo "You must be root to backup"
  29   exit 1
  30 fi
  31
  32 function usage {
  33   type="$1"
  34
  35   echo "Usage: backup <full | incremental>"
  36   exit 1
  37 } # usage
  38
  39 type="$1"
  40 host=$(hostname)
  41
  42 if [ "$type" = "full" ]; then
  43   rm -f $dumppath/$host.*.$type.backup
  44   rm -f $dumppath/$host.*.$type.backup.log
  45   rm -f $dumppath/$host.*.$type.list
  46   level=0
  47 elif [ "$type" = "incremental" ]; then
  48   level=1
  49 else
  50   usage $type
  51 fi
  52
  53 for fs in $filesystems; do
  54   log=$dumppath/$host.$fs.$type.backup.log
  55   $backup -$level\
  56     -A $dumppath/$host.$fs.$type.list\
  57     -f $dumppath/$host.$fs.$type.backup\
  58     -z$compression\
  59     $excludes\
  60     -u /dev/$fs > $log 2>&1
  61 done