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Enterprise Postgres 16 Cluster Operation Guide(Database Multiplexing)

2.2.2 Preparing the Arbitration Server

2.2.2.1 Preparing to Output Error Logs to the Event Log (Windows)

This section explains the preparatory tasks for outputting error logs to the event log.

Note

If no event source name is registered, messages output to the event log may be incomplete.

Configuring each server

Event logs for the Mirroring Controller commands on the arbitration server may be output with the default event source name "MirroringControllerArbiter". Therefore, register this default event source name beforehand.

Example)
The following is an example in which the DLL of a 64-bit product is registered under the default event source name. Note that "<x>" indicates the product version.
> regsvr32 "c:\Program Files\Fujitsu\fsepv<x>assistant64\lib\mcarbevent.dll"

Setting each instance

You can output messages to any event source named by the user, so that messages output to the event log can be identified by each instance.

Example)
The following is an example in which the DLL of a 64-bit product is registered under the event source name "Mirroring Controller arbiter1". Note that "<x>" indicates the product version.
> regsvr32 /n /i:"Mirroring Controller arbiter1" "c:\Program Files\Fujitsu\fsepv<x>assistant64\lib\mcarbevent.dll"

The parameter must be edited for each instance. Refer to "A.4.2 Arbitration Configuration File" and set the event_source parameter.

If installing multiple versions

If Fujitsu Enterprise Postgres is already installed on the same machine, search for the key below in Registry Editor, and make a note of the path of the registered DLL. Afterwards, register a new DLL using the default event source name.

Use the DLL path that you made a note of in the above step when re-registering the default event source name during uninstallation.

MirroringControllerArbiter

2.2.2.2 Security Policy Settings (Windows)

On the arbitration server, operating system user accounts that operate the Mirroring Controller arbitration process must be assigned the "Log on as a service" user right in order to use Windows Services to start and stop the Mirroring Controller arbitration process.

If the security settings to enable this have not been configured, refer to "E.1 Security Policy Settings" and configure the settings.