•Striping
–Pro: Increases Spindle Count for Increased Thruput
–Con: Does not provide redundancy
•Mirroring
–Pro: Provides Redundancy without Parity Calculation
–Con: Requires at least 100% disk resource overhead
•Parity Calculation
–Pro: Cuts Disk Resource Overhead to 1/N
–Con: Parity calculation is expensive
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