The image maxav029.gif shows the Oracle data validation process. The stack, starting at the top, contains the following components: Oracle database server, volume manager/ASM, operating system, device driver, host bus adapter. The blocks are validated and protection inforamtion is added to blocks at the database server level.

The data is passed through the SAN to the SAN interface and then the storage device. The protection information is validated by the storage device.

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