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Backup Script

 
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Old 01-21-2006
Backup Script
Hi,

My SCO Unixware 7.1.1 box is setup to run an EOD backup script, which is as follows:

----------------------------------------------------------------------

start End-of-day
compress $BASE TO /home/compdir
write /home/compdir to DATTAPE
end

----------------------------------------------------------------------

Path for above script is /home2/Rev83/home/SCRIPTS/backup and $BASE=/home2/Rev83

I want to know about the original code of this script, i know that in 2ndline this script is compressing $BASE to /home/compdir, but what "TO" means here? and what "write" means in the 3rd line. I know system uses cpio to create archive on /dev/rct0 but i dont know the exact parameters and code.

Any one will help me to identify this.

Regards,
Tayyab
 
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LEARN ABOUT OSF1

bdb.db0

BDB.DB0(5)							AFS File Reference							BDB.DB0(5)

NAME

       bdb.DB0, bdb.DBSYS1 - Contain the Backup Database and associated log

DESCRIPTION

       The bdb.DB0 file contains the Backup Database, which records configuration information used by the AFS Backup System along with cross-
       indexed records of the tapes created and volumes dumped using the Backup System commands.

       The bdb.DBSYS1 file is a log file in which the Backup Server (buserver process) logs each database operation before performing it. When an
       operation is interrupted, the Backup Server replays the log to complete the operation.

       Both files are in binary format and reside in the /var/lib/openafs/db directory on each database server machine that runs the Backup
       Server.	When the Backup Server starts or restarts on a given machine, it establishes a connection with its peers and verifies that its
       copy of the bdb.DB0 file matches the copy on the other database server machines. If not, the Backup Servers use AFS's distributed database
       technology, Ubik, to distribute to all of the machines the copy of the database with the highest version number.

       Use the commands in the backup suite to administer the Backup Database. It is advisable to create a backup copy of the bdb.DB0 file on tape
       on a regular basis, using the UNIX tar command or another local disk backup utility.

SEE ALSO

       backup(8), backup_savedb(8), buserver(8)

COPYRIGHT

       IBM Corporation 2000. <http://www.ibm.com/> All Rights Reserved.

       This documentation is covered by the IBM Public License Version 1.0.  It was converted from HTML to POD by software written by Chas
       Williams and Russ Allbery, based on work by Alf Wachsmann and Elizabeth Cassell.

OpenAFS 							    2012-03-26								BDB.DB0(5)