Surely one of the principal concerns of DBAs and Sys Admins is silent data corruption. Now, with the release of the HBA from Emulex supporting T10 Protection Information (T10-PI), employed in combination with Oracle's Unbreakable Enterprise Kernel, that worry gets a downgrade. As Emulex says in its press release, "The implementation of the T10-PI standard via Emulex's BlockGuard feature, in conjunction with other industry player's implementations, ensures that data is validated as it moves through the data path, from the application, to the HBA, to storage, enabling seamless end-to-end integrity." For more information on this technology, see the links below.
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Andress Ness answers a common question asked by many customers - how many storage domains are needed for specific configurations? Although there is not one definitive answer for every data center, Ness explains how to determine what number is the best one.
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A database study comparing the performance of storage architectures using Sun Storage F5100 Flash Array and storage architecture based only on traditional hard disks was recently conducted, and its results presented by Chang Shu. Both atomic queries such as sorts / joins, and advanced queries containing complex business logic were tested in order to observe the performance gains in using F5100 Flash Array.
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