OpenWorld nears, some info on Oracle 11g R2 database emerges

Oracle unusually secretive about its 'major database innovation'

Oracle has already brought out new grid features through acquisitions, such as its purchase of Tangosol in 2007. It will have a number of sessions at OpenWorld on the Coherence product acquired from Tangosol.

It will also hold a session entitled "Oracle Grid Computing 2.0: A Preview" on Monday.

Monash isn't convinced that Oracle will make the overhaul to its shared-everything architecture that he says is needed, but others who claim to have been briefed are more positive.

"We the database people will be living in the new Grid 2.0 era," wrote H. Tonguc Yilmaz in his Oracle blog.

"The changes to RAC (Real Application Clusters) and the grid as a whole are very exciting," wrote 'Grumpy DBA' blogger Jay Caviness in July, in an entry that was deleted sometime after mid-August. Caviness, in an e-mail today, said Oracle asked him to take down the post, saying he was bound by a confidentiality agreement and could not comment until the official announcement of 11g R2 database.

Clustering and storage management

There's more concrete evidence, however, for improvements in the narrower area of how 11g R2 physically stores data.

According to a presentation last year by Oracle vice president for database product management, Mark Townsend, 11g R2 will include the ability for "plug and play clustering." That means the ability to quickly bring additional servers or hard disks online without needing to rewrite, reboot, or load balance.

According to information posted by Oracle service provider, Burleson Consulting, "there are some super-important changes to storage management in Oracle 11g release 2."

The new features in Oracle's Automatic Storage Management (ASM), include the ability to take snapshots of data for backup purposes, rebalance I/O, place data in faster parts of the disk and unify the storage management, according to Burleson.

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