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PowerProtect Data Manager 19.15 SAP HANA User Guide

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Modify the configuration file parameter settings

PowerProtect Data Manager automatically creates two configuration files on the SAP HANA server for each database when you add the assets to a protection policy and auto-configuration is triggered. If required, you can modify the settings of certain parameters in one of the configuration files.

Add a protection policy for SAP HANA database protection provides information about adding the assets to a protection policy.

PowerProtect Data Manager automatically creates the two configuration files on the SAP HANA server as follows, where <SID> is the system ID of the SAP HANA system. These configuration file pathnames are predetermined and cannot be changed:

  • User configuration file: /usr/sap/<SID>/SYS/global/ppdmconfig/<SID>_<database_name>_data_user.utl
  • Auto configuration file: /usr/sap/<SID>/SYS/global/ppdmconfig/<SID>_<database_name>_data_auto.utl

In the user configuration file <SID>_<database_name>_data_user.utl, you can optionally modify the parameter settings that are described in the following table.

NOTE:The parameters in the auto configuration file <SID>_<database_name>_data_auto.utl are set automatically and cannot be changed. The parameter settings in <SID>_<database_name>_data_user.utl override the settings in <SID>_<database_name>_data_auto.utl.

To enable debug logging during the SAP HANA backups, set the DEBUG_LEVEL and DPRINTF parameters as described in the following table. As required for centralized backups, ensure that you also select Troubleshooting under Advanced Option in the Add Primary Backup dialog box in the PowerProtect Data Manager UI, as described in Add a protection policy for SAP HANA database protection.

To specify a parallelism value for self-service backups, set the PARALLELISM parameter as described in the following table.

Table 1. Parameters that you can modify for SAP HANA operationsTable of parameters that you can modify for SAP HANA operations.
Parameter descriptions and valid values

Parameter: CLIENT

Specifies the name of the client directory to store the backup save sets on the protection storage system.

The default name is <SID><database_name>, which is automatically set in the CLIENT parameter in the  configuration file <SID>_<database_name>_data_auto.utl.

NOTE:To override the default CLIENT parameter value, ensure that you set the CLIENT parameter in the <SID>_<database_name>_data_user.utl file.

Valid value: Name of the client directory where the backup save sets are stored.

Parameter: DEBUG_LEVEL

Specifies the level of debug messages that the PowerProtect Data Manager software writes in the debug log file with a .log file name extension in the /opt/dpsapps/dbappagent/logs directory.
NOTE:The DEBUG_LEVEL parameter must be set in the <SID>_<database_name>_data_user.utl file.

Valid values:

  • 0 (default) = The software does not generate debug messages.
  • 1-9 = The software writes the specified level of debug messages in the debug log. The level of detail in the messages increases with a higher debug level setting.

Parameter: DPRINTF

Specifies whether the PowerProtect Data Manager software writes debug messages in the debug log file with a .log file name extension in the /opt/dpsapps/dbappagent/logs directory.
NOTE:The DPRINTF parameter must be set in the <SID>_<database_name>_data_user.utl file.

Valid values:

  • FALSE (default) = The software does not generate debug messages.
  • TRUE = The software writes debug messages in the debug log. The DEBUG_LEVEL setting determines the level of the debug messages.

Parameter: PARALLELISM

Specifies the parallelism value for self-service SAP HANA backups. The parallelism value controls the number of parallel streams that the SAP HANA application agent uses to write the backup data to protection storage.
NOTE:For centralized backups, you must set the parallelism value in the PowerProtect Data Manager UI as described in Enable multi-stream backups for SAP HANA protection policy.

Valid values:

  • 1 (default) = The software does not use parallel streams for the self-service backups.
  • 2 or greater = The software uses the specified number of parallel streams for the self-service backups.

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