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Log Stream Types

The logger component supports two types of log streams:

This table highlights the main differences between Coupling Facility based and DASD only log streams:

Characteristic

Coupling Facility Based

DASD Only

Interim storage

Coupling Facility List Structure

Data space

Multi-system sharing

Shared by multiple connectors executing on multiple systems simultaneously.

Shared by multiple connectors executing on a single system simultaneously.

Multi-system access

Accessible to all systems in the sysplex.

Accessible to all systems in the sysplex, but, only one system can connect to the log stream at any point in time.

Note: Even though CA SYSVIEW should not need to create Coupling Facility based log streams, the Logger component is designed to support both log stream types.