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Full Discussion: GTAR - new ways for faster backup - help required
Operating Systems AIX GTAR - new ways for faster backup - help required Post 302902587 by Bharath_79 on Wednesday 21st of May 2014 08:39:18 AM
Old 05-21-2014
GTAR - new ways for faster backup - help required
We are taking backup of our application data(cobol file system, AIX/unix) before and after EOD job runs. The data size is approximately 260 GB in biggest branch. To reduce the backup time, 5 parallel execution is scheduled through control-m which backups up the files in 5 different *.gz. The job takes approximately 90 minutes to complete. Backup is done locally and later on it's passed to different location for retention.

Issue:
Each execution takes approximately 10% CPU which is putting heavy load on the server. This is causing the issue as the server is hosting multiple branches.

Code:
 
gtar -cvzf   ${DBTBKUP}/${DATADIR}/${DATADIR}${BKUPSEQ}.gz  [${FILESET}*

${DBTBKUP}/${DATADIR}/${DATADIR}${BKUPSEQ}.gz - {backup directory}
[${FILESET}* - fileset backed-up

Is there anyway, we can improve the backup further? Is there any new features in GTAR to fasten the backup or any new backup command which can replace GTAR? Any suggestion would be really appreciated.
 

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LEARN ABOUT XFREE86

backup_quit

BACKUP_QUIT(8)						       AFS Command Reference						    BACKUP_QUIT(8)

NAME
       backup_quit - Leaves interactive mode

SYNOPSIS
       quit [-help]

       q [-h]

DESCRIPTION
       The backup quit command exits interactive mode, returning the issuer to the regular shell prompt at which the backup or backup interactive
       command was issued to enter interactive mode. The command has no effect when issued outside interactive mode. Issuing the Ctrl-D command
       also exits interactive mode.

CAUTIONS
       To exit interactive mode, all jobs must be completed. Use the backup jobs command to list any jobs currently pending or executing, and the
       backup kill command to terminate them as necessary.

OPTIONS
       -help
	   Prints the online help for this command. All other valid options are ignored.

EXAMPLES
       The following command exits interactive mode:

	  backup> quit
	  %

PRIVILEGE REQUIRED
       None

SEE ALSO
       backup(8), backup_interactive(8), backup_jobs(8), backup_kill(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							    BACKUP_QUIT(8)
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