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DCMT VARY LOG DRIVER Usage

Use Log Service Drivers Depending on System Activity

When a non-z/VSE system with more than one log service driver shows only a small amount of logging activity, you can use this command to disable a driver to save system resources. When logging activity increases, you can restart the log service driver to optimize log I/O operations.

Allowable Number of Log Service Drivers

Non-z/VSE systems can have up to three log service drivers. z/VSE systems can have one log service driver.

You define a log service driver to the system each time you issue a DCMT VARY LOG DRIVER ONLINE command.