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DB2 - Problem description

Problem IC73893 Status: Closed

DEACTIVATE EVENT MONITOR ON REMOTE NODE COULD LEAVE A STALE/ORPHAN
APPLICATION CAUSING QUIESCE DB COMMAND TO HANG.

product:
DB2 FOR LUW / DB2FORLUW / 970 - DB2
Problem description:
When a deactivate event monitor on remote node 
 
db2 set event monitor xxxxx state 0 
 
is invoked from the catalog node, it could leave a stale/orphan 
application in the remote node. 
 
This orphaned application could cause the quiesce database 
command to hang. 
 
Symptom: 
1) The application snapshot on the remote node, should have the 
"Decoupled" keyword for the Application status field and strange 
values of the "Configuration NNAME of client" and "Client 
database manager product ID" fields. 
 
             Application Snapshot 
 
Application handle                         = 84104 
Application status                         = Decoupled 
Status change time                         = 
Application code page                      = 819 
Application country/region code            = 1 
DUOW correlation token                     = 
Application name                           = 
Application ID                             = 
Sequence number                            = 00003 
TP Monitor client user ID                  = 
TP Monitor client workstation name         = 
TP Monitor client application name         = 
TP Monitor client accounting string        = 
 
Connection request start timestamp         = 11/22/2010 
09:14:09.352715 
Connect request completion timestamp       = 11/22/2010 
09:14:09.353470 
Application idle time                      = 3 days 4 hours 40 
minutes 29 seconds 
CONNECT Authorization ID                   = 
Client login ID                            = 
 
 
Configuration NNAME of client              =  * 
Client database manager product ID         = X |+ 
 
<There are other strange values on other occurrences of the 
problem> 
Configuration NNAME of client              =  * 
Client database manager product ID         = X ?b+ 
 
Configuration NNAME of client              = 226* 
Client database manager product ID         = X 
</there might be more strange values> 
 
 
Process ID of client application           = 699 
Platform of client application             = LINUX 
Communication protocol of client           = Local Client 
 
Inbound communication address              = 
 
Database name                              = TESTDB 
Database path                              = <TESTDB database 
path> 
Client database alias                      = TESTDB 
Input database alias                       = TESTDB 
Last reset timestamp                       = 
Snapshot timestamp                         = 11/25/2010 
13:54:38.724761 
 
Coordinating database partition number     = 0 
Current database partition number          = 2 
 
 
 
2) if user invokes "db2 quiesce database immediate force 
connections" ==> the quiesce cmd will hung
Problem Summary:
**************************************************************** 
* USERS AFFECTED:                                              * 
* All users using DB2 v97 fp5 prior releases.                  * 
**************************************************************** 
* PROBLEM DESCRIPTION:                                         * 
* DEACTIVATE EVENT MONITOR ON REMOTE NODE COULD LEAVE A        * 
* STALE/ORPHAN APPLICATION  CAUSING QUIESCE DB COMMAND TO      * 
* HANG.                                                        * 
**************************************************************** 
* RECOMMENDATION:                                              * 
* Do not deactivate event monitor on remote node explicitly.   * 
****************************************************************
Local Fix:
Do not deactivate event monitor on remote node explicitly.
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
Apply DB2 V97 FP5.
Workaround
not known / see Local fix
Timestamps
Date  - problem reported    :
Date  - problem closed      :
Date  - last modified       :
15.01.2011
12.12.2011
12.12.2011
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