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Full Discussion: Offsite Backup Solution
Operating Systems AIX Offsite Backup Solution Post 302352133 by bakunin on Thursday 10th of September 2009 12:32:32 PM
Old 09-10-2009
Which sort of backup should it be? AIX offers a so-called "mksysb", which backs up the rootvg. This results in a system backup with all the systems relevant data saved (users, groups, passwords, mountpoints, printqueues, interfaces and the like), but not (if the system is set up correctly) the data or the applications. Basically the mksysb issues a "savevg rootvg" and adds some additional logic to that so that the resulting file could be booted from if it is written to a bootable medium.

If you want to back up the remainder of your system you should set apart the static parts (say, the applications executables) and the volatile parts of your data (database files for instance) and develop different backup strategies for these.

Another point is the size of the backup and the timeframe you have for taking the backup: local disks as destination are faster than network and you can transfer the backup file(s) over the network later. Still you have to have enough diskspace to do that. Taking the backup directly over the network is slower, but doesn't require the extra disk space. On the other hand taking backups over the network might put some strain on the network hardware and/or the destination host. Maybe there are some other hosts sending their backups over the network too and the compete for the network bandwith and the I/O bandwidth of the backup server - in this case you need a schedule so that only one server is backing up at any given time.

Tell us more about your environment and your requirements and we might be able to help you better instead of telling you some commonplaces about backups.

Regarding software: i would stick with something as simple as possible: tar, maybe rsync, ftp, scp and something such.

I hope this helps.

bakunin
 

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LEARN ABOUT XFREE86

backup_deldump

BACKUP_DELDUMP(8)					       AFS Command Reference						 BACKUP_DELDUMP(8)

NAME
       backup_deldump - Deletes a dump level from the Backup Database

SYNOPSIS
       backup deldump -dump <dump level name> [-localauth]
	   [-cell <cell name>] [-help]

       backup deld -d <dump level name> [-l]
	   [-c <cell name>] [-h]

DESCRIPTION
       The backup deldump command deletes the indicated dump level and all of its child dump levels from the dump hierarchy in the Backup
       Database. Use the backup listdumps command to display the dump hierarchy.

OPTIONS
       -dump <dump level name>
	   Specifies the complete pathname of the dump level to delete.

       -localauth
	   Constructs a server ticket using a key from the local /etc/openafs/server/KeyFile file. The backup command interpreter presents it to
	   the Backup Server, Volume Server and VL Server during mutual authentication. Do not combine this flag with the -cell argument. For more
	   details, see backup(8).

       -cell <cell name>
	   Names the cell in which to run the command. Do not combine this argument with the -localauth flag. For more details, see backup(8).

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

EXAMPLES
       The following command deletes the dump level "/sunday1/monday1" from the dump hierarchy, along with any of its child dump levels.

	  % backup deldump /sunday1/monday1

PRIVILEGE REQUIRED
       The issuer must be listed in the /etc/openafs/server/UserList file on every machine where the Backup Server is running, or must be logged
       onto a server machine as the local superuser "root" if the -localauth flag is included.

SEE ALSO
       backup(8), backup_adddump(8), backup_listdumps(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_DELDUMP(8)
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