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DB2 - Problem description

Problem IT40539 Status: Closed

DB2IUPDT FAILS TO UPDATE THE FENCED ID. IT UPDATES PARTIALLY.

product:
DB2 FOR LUW / DB2FORLUW / B50 - DB2
Problem description:
When using db2updt to update fenced userid, user may experience
that its updated only partially.

Example:

DB21085I  This instance or install (instance name, where
applicable: "tinst")
uses "64" bits and DB2 code release "SQL11050" with level
identifier
"0601010F".
Informational tokens are "DB2 v11.5.0.0", "s1906101300",
"DYN1906101300AMD64",
and Fix Pack "0".
Product is installed at "/opt/ibm/db2/V11.5.0".


Fence user is tinst

db2pd -fmp | grep -i fence
Trusted Path:    /home/tinst/sqllib/function/unfenced
Fenced User:     tinst

cat sqllib/ctrl/.fencedID
tinst

ls -l sqllib/ctrl/.fencedID
-rw-rw-r-- 1 tinst tinst 6 Apr  6 07:14 sqllib/ctrl/.fencedID


Now trying to Update fenced user to tfence.

/opt/ibm/db2/V11.5.0/instance/db2iupdt -u tfence tinst


Existing instances to configure:
    Instance name:                              tinst
        Instance user information:
            User name:                          tinst
        Fenced user information:
            User name:                          tfence

Setting default global profile registry variables
:.......Success
Initializing instance list :.......Success
The instance "tinst" has been updated successfully.

Configuring DB2 instances :.......Success
Updating global profile registry :.......Success


Checking:

04/06/2022 07:23:05     0   0   SQL1063N  DB2START processing
was successful.
SQL1063N  DB2START processing was successful.

Db2pd still shows fenced user as tinst

db2pd -fmp | grep -i fence
Trusted Path:    /home/tinst/sqllib/function/unfenced
Fenced User:     tinst


However in the files we can see tfence is updated correctly.

cat sqllib/ctrl/.fencedID
tfence

ls -l sqllib/ctrl/.fencedID
-rw-rw-r-- 1 tfence tfence 7 Apr  6 07:22 sqllib/ctrl/.fencedID
Problem Summary:
****************************************************************
* USERS AFFECTED:                                              *
* 250                                                          *
****************************************************************
* PROBLEM DESCRIPTION:                                         *
* See Error Description                                        *
****************************************************************
* RECOMMENDATION:                                              *
* Upgrade to DB2 11.5.6                                        *
****************************************************************
Local Fix:
Solution
Workaround
****************************************************************
* USERS AFFECTED:                                              *
* 250                                                          *
****************************************************************
* PROBLEM DESCRIPTION:                                         *
* See Error Description                                        *
****************************************************************
* RECOMMENDATION:                                              *
* Upgrade to DB2 11.5.6                                        *
****************************************************************
Comment
Fixed in 11.5.6
Timestamps
Date  - problem reported    :
Date  - problem closed      :
Date  - last modified       :
06.04.2022
06.04.2022
11.04.2022
Problem solved at the following versions (IBM BugInfos)
Problem solved according to the fixlist(s) of the following version(s)