Avamar DB2 backup fails with "security error" due to DB2 instance user or password having changed or expired 

Resumo: Avamar DB2 backup fails, avdb2 log shows "security error."

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Sintomas

Avamar DB2 backup fails and generates the following errors in the backup log.
  
2023-03-02 07:46:10 avdb2 Error <9004>: DB2 returned security error -30082
2023-03-02 07:46:10 avdb2 Info <9772>: Starting graceful (staged) termination, Unable to attach to the instance. (wrap-up stage)
2023-03-02 07:46:10 avdb2 Error <19177>: Snapup of db2portl/FDBKDB Terminated.
2023-03-02 07:46:47 avdb2 Info <6688>: Process 9437492 (/usr/local/avamar/bin/avtar) finished (code 0: success)
2023-03-02 07:46:47 avdb2 Error <16729>: Unable to get the list of backup images from the child process.
2023-03-02 07:46:47 avdb2 Info <9772>: Starting graceful (staged) termination, Unable to get the list of backup images from the child process. (wrap-up stage)
2023-03-02 07:46:47 avdb2 Error <43351>: Failed to create the snapview. However, the database data has been successfully backed up and is marked as a hidden backup. Restore is available through CLI only. See the plug-in documentation for information about restoring hidden backups.


db2diag.log shows that db2agent tries to log in with the db2admin account. The task fails due to an incorrect password:
  
2023-03-05-23.00.11.998228-300 I8253775A506         LEVEL: Warning
PID     : 12911084             TID : 68893          PROC : db2sysc 0
INSTANCE: db2inst1 NODE : 000
APPHDL  : 0-42482              APPID: *LOCAL.db2portl.230306040019
HOSTNAME: db2_host_name
EDUID   : 68893                EDUNAME: db2agent (instance) 0
FUNCTION: DB2 UDB, bsu security, sqlexLogPluginMessage, probe:20
DATA #1 : String with size, 67 bytes
Password validation for user db2admin failed with rc = -2146500507 

The avdb2 log show which db2 instance user is configured:
  
 <flag type="string" pidnum="5009" value="db2admin" name="db2_inst_user" />
 <flag type="string" pidnum="5009" value="db2inst1" name="db2_inst_name" />

Causa

The DB2 instance user or password has changed or expired.

Resolução

Provide the error from db2diag.log to the customer database administrator so that they can confirm the status of the user account. It may be different to db2admin.

After confirming valid credentials, update these fields in the DB2 dataset:
  • Instance Admin Username
  • Instance Admin Password 

Mais informações

Log in to Dell support to view this article with steps for collecting logs / db2diag.log 

Avamar DB2 plugin: Logs required to troubleshoot backup or restore failures.

Produtos afetados

Avamar Plug-in for IBM DB2
Propriedades do artigo
Número do artigo: 000211371
Tipo de artigo: Solution
Último modificado: 02 jun. 2023
Versão:  2
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