Promise Technology 2-Year Extended Warranty for VessR2000 RAID Head - Manual (Page 582)

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Product Manual Technology Background
Recommended Applications for RAID 1:
• Accounting
• Payroll
• Financial
• Any application requiring very high availability
Advantages Disadvantages
• Simplest RAID storage subsystem design
• Can increase read performance by processing
data requests in parallel since the same data
re-sides on two different drives
• Very high disk overhead – uses only 50% of
total capacity