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DB2 - Problem description

Problem IC75314 Status: Closed

DB2 for zOS or iSeries client may hang or fail with -998 when the
Connection Concentrator is enabled.

product:
DB2 FOR LUW / DB2FORLUW / 970 - DB2
Problem description:
When accessing a DB2 LUW server with the Connection Concentrator 
enabled, A DB2 for zOS or iSeries client may experience an 
intermittent Hang condition or -998 error.
Problem Summary:
**************************************************************** 
* USERS AFFECTED:                                              * 
* DB2 for zOS or iSeries users connecting to DB2 LUW           * 
**************************************************************** 
* PROBLEM DESCRIPTION:                                         * 
* A DB2 for zOS or iSeries client that is connecting to DB2    * 
* LUw may hang or fail with -998 when the Connection           * 
* Concentrator is enabled.                                     * 
*                                                              * 
* DB2 LUW is incorrectly switching out the connection when the * 
* Connection Concentrator is enabled. This may cause received  * 
* DRDA buffers to be incorrectly chained, or to be handled by  * 
* the wrong agent. This may cause the client to either hang or * 
* return a -998                                                * 
**************************************************************** 
* RECOMMENDATION:                                              * 
* Upgrade to DB2 v9.7 FP5                                      * 
****************************************************************
Local Fix:
Disable the Connection Concentrator
available fix packs:
DB2 Version 9.7 Fix Pack 5 for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 6 for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 7 for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 8 for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 9 for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 9a for Linux, UNIX, and Windows
DB2 Version 9.7 Fix Pack 10 for Linux, UNIX, and Windows

Solution
Problem fixed in DB2 v9.7 FP5
Workaround
not known / see Local fix
Timestamps
Date  - problem reported    :
Date  - problem closed      :
Date  - last modified       :
28.03.2011
17.01.2012
17.01.2012
Problem solved at the following versions (IBM BugInfos)
9.7.FP5
Problem solved according to the fixlist(s) of the following version(s)
9.7.0.5 FixList
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