Re: Oracle Disk Architecture...

Your redo's are critical and sequential-write-intensive, archiving is sequential-write intensive, and your undo is likely to be the most pounded of normal database files. When indices are used, they tend to be fully used before accessing the table. What is important is to spread I/O as much as possible, and you must determine that empirically.

http://asktom.oracle.com/pls/ask/f?p=4950:8:::::F4950_P8_DISPLAYID:359617936136

jg

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