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Full Discussion: Backup with shell program and cron job.
Top Forums Shell Programming and Scripting Backup with shell program and cron job. Post 48593 by jarkvarma on Thursday 11th of March 2004 02:48:46 AM
Old 03-11-2004
Backup with shell program and cron job.
Hi,

The object of my program is to take automatic backup on daily basis to different folders. I have created the respective folders. when I execute below given shell program manually it is working perfectly and taking the backup to respective folder.

#!/bin/sh
#script to take backup on day basis, This is going to run from cron job.
#
while :
do
clear
yourch=`date +%u`
case $yourch in
1) exp backuser/backuser@linux1 file=/disk4/backup/Mon/linux1_Mon.dmp log=/disk4
/backup/Mon/linux1_Mon.log full=y direct=Y compress=N rows=N; exit 0;;
2) exp backuser/backuser@linux1 file=/disk4/backup/Tue/linux1_Tue.dmp log=/disk4
/backup/Tue/linux1_Tue.log full=y direct=Y compress=N rows=N; exit 0;;
3) exp backuser/backuser@linux1 file=/disk4/backup/Wed/linux1_Wed.dmp log=/disk4
/backup/Wed/linux1_Wed.log full=y direct=Y compress=N;rows=Y exit 0;;
4) exp backuser/backuser@linux1 file=/disk4/backup/Thu/linux1_Thu.dmp log=/disk4
/backup/Thu/linux1_Thu.log full=y direct=Y compress=N rows=N; exit 0;;
5) exp backuser/backuser@linux1 file=/disk4/backup/Fri/linux1_Fri.dmp log=/disk4
/backup/Fri/linux1_Fri.log full=y direct=Y compress=N rows=N; exit 0;;
6) exp backuser/backuser@linux1 file=/disk4/backup/Sat/linux1_Sat.dmp log=/disk4
/backup/Sat/linux1_Sat.log full=y direct=Y compress=N rows=Y; exit 0;;
esac
done

When the same program kept in cron, it is not working.
IF I EXECUTE NORMAL COMMAND IN THE CRON WITH OUT SHELL THEY ARE WORKING WHEN I KEEP ANY SHELL PROGRAMS, THEY ARE NOT WORKING.

0 23 * * * /home/oracle/backup/backup.sh
> /home/oracle/backup/backup.log

The backup.log file is creating with 0 bytes.

Please help me in solving this problem.

With Regards
Varma.
 

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LEARN ABOUT DEBIAN

svn-fast-backup

svn-fast-backup(1)					      General Commands Manual						svn-fast-backup(1)

NAME

       svn-fast-backup - very fast backup for Subversion fsfs repositories.

SYNOPSIS

       svn-fast-backup [-q] [-k{N|all}] [-f] [-t] [-s] repos_path backup_dir

DESCRIPTION

       svn-fast-backup uses rsync snapshots for very fast backup of a Subversion fsfs repository at repos_path to backup_dir/repos-rev, the latest
       revision number in the repository.  Multiple fsfs backups share data via hardlinks, so old backups are almost free, since a newer  revision
       of a repository is almost a complete superset of an older revision.

       This  is  good for replacing incremental log-dump+restore-style backups because it is just as space-conserving and even faster; there is no
       inter-backup state (old backups are essentially caches); each backup directory is self-contained.  It has the same  command-line  interface
       as svn-hot-backup(1) (if you use --force), but only works for fsfs repositories.

       svn-fast-backup keeps 64 backups by default and deletes backups older than these; this can be adjusted with the -k option.

OPTIONS

       -h, --help
	      Shows some brief help text.

       -q, --quiet
	      Quieter-than-usual operation.

       -k, --keep=N
	      Keep a specified number of backups; the default is to keep 64.

       -k, --keep=all
	      Do not delete any old backups at all.

       -f, --force
	      Make a new backup even if one with the current revision exists.

       -t, --trace
	      Show actions.

       -s, --simulate
	      Don't perform actions.

AUTHOR

       Voluntary contributions made by many individuals.  Copyright (C) 2006 CollabNet.

								    2006-11-09							svn-fast-backup(1)
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