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RAID 5 provides redundancy by writing data and parity information across three or more drives, thus increasing performance. The RAID 5 provides the best combination of disk array technology.
Advantages
• Best balance cost / performance / protection of any RAID system.
• Allows multiple simultaneous writes.
• High read data rate Medium write data rate.
• 3 drives minimum Ideal for small write applications.
• Highly efficient.
Disadvantages
• In-efficient with large file transfer.
• Disk failure has an impact on performance.
Application
Ideal for database servers, mail servers, web servers, intranet servers, video servers, transaction processing.
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