Chapter 3. Storage Management

Storage has probably been a critical component of any computer system since the invention of the computer. Several of us have seen the transition from card readers to tape devices and removable disks to small and portable disks with storage capacities literally millions of times greater.

Storage systems comprise one or more disks. Since the earliest versions of Oracle, the database administrator (DBA) has always favored several disks of smaller capacity because the limit on I/O operations is determined by the number of disks, not the overall storage capacity of those disks. More disks mean more read/write heads, which in turn means greater I/O operations, and this helps in the overall performance of the database. Despite ...

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