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Operating Systems AIX Extract data from an AS/400 tape Post 302474439 by mindmachine on Wednesday 24th of November 2010 09:24:12 AM
Old 11-24-2010
Extract data from an AS/400 tape

Hello,
we received an IBM data cartridge with some data on it. It is a backup of an old IBM AS400 machine that had gone for good some years ago. I am able to extract data from this tape by using dd on a LINUX system:
Quote:
dd if=/dev/st0 of=/dump.txt bs=96k conv=ascii
Analysing the received file with forensic software (Xways, haven't tried Encase yet) doesn't give any clues if this extraction succeded.
The problem is of course, that I'm not able to extract any singular files correctly from the output.
I'm looking for a database (ore some databases) that are supposed to be on this tape.
Is there any other tool I could use? Is the dd command correct? It seems that blocksize is 96k because other sizes I've tried give an I/O error...

Could you give some hints or even a solution on how to extract the stored files. A product called datamerge (by a UK company for abut 10.000 LBS) can separate those files in a Demo-version but doesn't show the content (it's demo, of course).

We haven't got an AS400 and are a bit out of our wits, what to do next...

Thanks for your help

Christian

EDIT The database-program used was selfmade up some 15 years ago...
 

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BACKUP_APROPOS(8)					       AFS Command Reference						 BACKUP_APROPOS(8)

NAME
backup_apropos - Displays each help entry containing a keyword string SYNOPSIS
backup apropos -topic <help string> [-help] backup ap -t <help string> [-h] DESCRIPTION
The backup apropos command displays the first line of the online help entry for any backup command that has in its name or short description the string specified by the -topic argument. To display the syntax for a command, use the backup help command. OPTIONS
-topic <help string> Specifies the keyword string to match, in lowercase letters only. If the string is more than a single word, surround it with double quotes (" ") or other delimiters. -help Prints the online help for this command. All other valid options are ignored. OUTPUT
The first line of a command's online help entry names it and briefly describes its function. This command displays the first line for any backup command where the string specified with the -topic argument is part of the command name or first line. EXAMPLES
The following example lists all backup commands that include the word "tape" in their names or short descriptions: % backup apropos tape labeltape: label a tape readlabel: read the label on tape scantape: dump information recovery from tape status: get tape coordinator status PRIVILEGE REQUIRED
None SEE ALSO
backup(8), backup_help(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_APROPOS(8)
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