How To Fix SDBALM102 - Number of defective database indexes

SAP Error Message - Details

• Message type: E = Error

• Message class: SDBALM - SAP DB and liveCache Alert Monitoring

• Message number: 102

• Message text: Number of defective database indexes

Alerts
<ZH>Green:</>
No defective database indexes exist, or
The instance is not ONLINE
<ZH>Yellow:</>
The system could not determine the number of defective database indexes
<ZH>Red:</>
There are defective database indexes
Data Collector
<ZH>Collector A</>
(RZ20 -> SAP CCMS Technical Experts Monitors -> All Monitoring Contexts
,,-> <Name of the database connection> -> Collectors and Internals
-> Collectors -> Collector A)

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Preset runtime interval of Collector A: 5 minutes

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message SDBALM102 - Number of defective database indexes ?

  The SAP error message SDBALM102 indicates that there are a number of defective database indexes in your SAP system. This can lead to performance issues and may affect the overall functionality of the system. Here’s a breakdown of the cause, potential solutions, and related information for this error:
  Cause:
  
  Corrupted Indexes: Indexes may become corrupted due to various reasons, such as system crashes, improper shutdowns, or issues during data updates.
  Database Maintenance: Lack of regular database maintenance can lead to the accumulation of defective indexes.
  Data Changes: Frequent changes in the underlying data can lead to inconsistencies in the indexes.
  Database Configuration: Incorrect database configuration settings may also contribute to index issues.
  
  Solution:
  
  
  Rebuild Indexes: The primary solution is to rebuild the defective indexes. This can usually be done through the database management tools or directly via SQL commands, depending on the database you are using (e.g., Oracle, SQL Server, etc.).
  
  For example, in Oracle, you can use the command:
  ALTER INDEX index_name REBUILD;
  
  In SQL Server, you can use:
  ALTER INDEX index_name ON table_name REBUILD;
  
  
  
  
  Check Database Health: Use database tools to check the health of the database and identify any other potential issues.
  
  
  Run Database Maintenance Jobs: Schedule regular database maintenance jobs to check for and fix any index issues. This includes tasks like reorganizing and rebuilding indexes.
  
  
  Monitor and Analyze: Use SAP transaction codes like DB02 or DBACOCKPIT to monitor database performance and analyze index usage. This can help identify which indexes are frequently used and which are not.
  
  
  Consult Documentation: Refer to the SAP documentation or your database vendor's documentation for specific commands and procedures related to index management.
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to database performance and index management for specific guidance and best practices.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as:
  
  DB02: Database Performance Analysis
  DBACOCKPIT: Database Administration Cockpit
  
  
  Database-Specific Tools: Utilize database-specific tools for monitoring and managing indexes, such as Oracle Enterprise Manager or SQL Server Management Studio.
  
  Preventive Measures:
  
  Regular Maintenance: Implement a regular maintenance schedule for your database to prevent index corruption.
  Monitoring: Continuously monitor the performance of your database and indexes to catch issues early.
  Backup: Ensure that you have a reliable backup strategy in place to recover from any potential data loss or corruption.
  
  By addressing the defective indexes promptly and implementing preventive measures, you can maintain the performance and reliability of your SAP system.