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Title: Adabas D cannot create a database

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Adabas D cannot create a database

Applies to

Adabas: Version 6.1

Symptom:

You've tried to create a new database using the tools control or xcontrol. However the Adabas D kernel aborts during the initialization with the following message :

 06.13-14:29:09 26838 -11987 UKP5 attached big comseg at  0x4079b000 
 06.13-14:29:09 26838 -11987 UKP5 big comseg ends at      0x4079d088 
 06.13-14:29:09 26839 -11088 UKP6 started 
 06.13-14:29:09 26839 -11088 area for task-stack-allocation is STACK
 06.13-14:29:09 26828 -11987 ABEND: KERNEL CRASHING ................
 06.13-14:29:09 26828 -11987 ABEND: child DIED pid    26839 
 06.13-14:29:09 26828 -11987 ABEND: child DIED status 0x000b 
 06.13-14:29:09 26835 -11987 UKP stopped 
 06.13-14:29:09 26836 -11987 UKP stopped 
 06.13-14:29:09 26837 -11987 UKP stopped 
 06.13-14:29:09 26828 -11045 Killing all database processes 
 06.13-14:29:09 26832 -11084 REQUESTOR stopped 
 06.13-14:29:10 26828 -11987 ABEND: KERNEL DIED     ================
 06.13 14:29:10 26829 -11087 CONSOLE stopped 

Cause:

Both Adabas D kernel-variables MAXUSERTASKS and DATA_CACHE_PAGES have too high values.

Solution:

During the construction of a new database, use the following values for these variables :

MAXUSERTASKS        5
DATA_CACHE_PAGES    500
After that these kernel parameters can be increased in the running database (warm) using the xcontrol program.

A very interesting link is the ADABAS D Personal Edition on Linux HowTo by Christian Krone.

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Keywords: ADABAS

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Categories: Adabas

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Feedback welcome: Send Mail to Rolf.Haberrecker@suse.de (Please give the following subject: SDB-adabas_create)

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SDB-adabas_create, Copyright SuSE GmbH, Nuremberg, Germany - Version: 25. Aug 1998
Impressum - Last generated: 24. Feb 1999 14:41:41 by maddin with sdb_gen 1.00.0