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Oracle RAC on RedHat Linux Best Practice guide and ... - OpenMPE

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Performance <strong>Best</strong> <strong>Practice</strong>s<br />

• Single group is best<br />

− Spreads I/O evenly across all disks<br />

• Use 15K RPM disks?<br />

− 30% to 40% faster <strong>on</strong> r<strong>and</strong>om access workloads<br />

− 15K disks may be more expensive…<br />

• More 10K disks for same cost<br />

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