RAID level 5

RAID LeveIs

0+1

1+0 (10)

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.

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

RAID level 5

Application

Ideal for database servers, mail servers, web servers, intranet servers, video servers, transaction processing.


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