Solaris Cluster Geographic Edition
SCGE is a management framework that was introduced in August 2005. It enables two Solaris Cluster installations to be managed as a unit, in conjunction with one or more Data replication products, to provide Disaster Recovery for a computer installation. By ensuring that data updates are continuously replicated to a remote site in near-real time, that site can rapidly take over the provision of a service in the event that the entire primary site is lost as a result of a disaster, either natural or man-made. This is a key to minimizing the Recovery point objective (RPO) and Recovery time objective (RTO) for the service.
SCGE today supports replication with Sun StorageTek AVS, EMC SRDF and Hitachi TrueCopy. Support for application-based replication with both Oracle Data Guard and MySQL is planned for early 2009.
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