IBM Support

Exceeding System ASP Threshold

Troubleshooting


Problem

This document provides a list of items that can occur when the system ASP threshold is exceeded.

Resolving The Problem

The following can occur when the system ASP threshold is exceeded:
 
o Message CPF0907 is issued hourly while over the threshold:

Message ID . . . . . . . . . :   CPF0907                                      
Message file . . . . . . . . :   QCPFMSG                                      
  Library  . . . . . . . . . :     QSYS                                      
                                                                             
Message . . . . :   Serious storage condition may exist. Press HELP.          
Cause . . . . . :   The amount of available auxiliary storage in the system  
  auxiliary storage pool has reached the threshold value. This is a          
  potentially serious system condition. The auxiliary storage capacity is &1  
  bytes.  The auxiliary storage used is &2 bytes.  The threshold is &3        
  percent.  The auxiliary storage available is &4 percent.                    
Recovery  . . . :   Use the WRKSYSSTS command to monitor the amount of storage
  used. The use of storage can be reduced by the following actions: Save      
  objects by specifying STG(*FREE); delete any unused objects.  Save the old  
  log versions of QHST that are not currently used and then delete them;      
  either write or delete spooled files on the system. Failure to reduce the  
  storage usage may lead to a situation requiring initialization of auxiliary
  storage and loss of user data.  The System Service Tools function can be    
  used to display and change the threshold value. See the Backup and Recovery
  book, SC41-5304, for more information.
o When the PTFs for APAR SE18719 are applied, SNADS will no longer check the ASP threshold before sending or receiving a file. Rather, SNADS will check system storage and, if enough storage is available, it will allow the file to be sent or received. For additional information, refer to the following Rochester Support Center knowledgebase document:

N1015608, ASP Threshold Not Checked When Sending/Receiving Files - APAR SE18719:
o Office Vision Mail will stop sending and receiving files.
o As the system gets closer to consuming all available storage, it is likely that the system performance will be affected. This is because Storage Management system tasks must work harder and longer to find available space for other jobs to store data. These tasks are at the highest priority because, without them, nothing else will work.
For possible ways to reduce the amount of disk space used, refer to Rochester Support Center knowledgebase document New, Reducing System ASP Disk Space / Storage Used. To link to document New immediately, click here Database 'DCF Technotes (IBM i)', View 'Products', Document 'Reducing System ASP Disk Space / Storage Used'.

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Historical Number

434593034

Document Information

More support for:
IBM i

Component:
Internal LIC and Partitions->Disk

Software version:
7.3.0, 7.4.0, 7.5.0

Operating system(s):
IBM i

Document number:
643595

Modified date:
11 October 2024

UID

nas8N1018944

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