RAID level 5
Striping with dedicated parity drive
RAID level 5 provides redundancy by writing data and parity information across three or more drives, thus increasing performance. The RAID level 5 provides the best combination of disk array technology.
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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
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Application
Ideal for database servers, mail servers, web servers, intranet servers, video servers, transaction processing.
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