Automatic DR

Automatic DR enables an application to execute DR operations without requiring user interaction. This ability is provided by an enhanced DR framework that includes a reconfiguration coordination manager (RCM) and a system event facility called sysevent. The RCM enables application-specific loadable modules to register callbacks with the RCM. The callbacks perform preparatory tasks before a DR operation, error recovery during a DR operation, or clean-up after a DR operation. The sysevent facility enables applications to register for system events and to receive notifications of those events. The automatic DR framework interfaces with the RCM and with sysevent to notify applications to give up resources automatically prior to unconfiguring them, and to capture new resources as they are configured into the domain.

Automatic DR is a different feature from Automated DR (ADR)

For more information about RCM, refer to the Solaris 8 System Administration Supplement in the Solaris 8 4/01 Update Collection.