Oracle Corp has launched Data Guard, a new feature for the Oracle9i Database, which addresses the high-availability requirements of any e-business application or Web site.
Data Guard is designed to address the needs of new generation" always-on" e-businesses. It provides a complete data protection solution to help ensure that corporate data is available and safe when a system goes down.
Oracle says it is the first such systems of its kind. It allows Database Administrators (DBAs) to instantly switch over to a standby database in the event of system downtime - regardless of whether the outage results from planned maintenance or an unplanned failure such as a natural disaster or human error.
"Previously, a 20-step process was required to effect the same result," says Oracle marketing director, Marc Gower. "The time-savings resulting from this one-step process alone could save an organisation many thousands of rand."
Gower says that according to a recent study by Standish Group in the US among large corporations, one minute of system downtime can cost an organisation anywhere from R 15 000 to R 50 000.
"By helping to ensure continuous data availability, Oracle Data Guard enables an `always on` business environment to minimise downtime and save money," he adds.
Key features of Oracle Data Guard include:
Simple to install, configure, manage and maintain, enabling more efficient use of DBA resources
Zero data loss configuration ensures continuous data availability even in disaster scenarios
Graceful `switchover` to standby database enables DBAs to gradually transfer users to the standby database to allow for routine "planned downtime" required to maintain the primary database
No idle servers, allowing the standby database to remain an active database for reporting, backups and maintenance
Enhanced monitoring tools to detect and resolve faults quickly on both primary and standby databases.
Delayed Apply implements a lag in transfer of changes made to the primary database, helping to ensure against propagation of mistakes and corruption
Scalable to the largest workloads
Application independent
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