Raid 5

RAID 5
Provides redundancy by writing data and parity informationacross three or more drives, thus increasing performance. The RAID Level 5provides the best combination of disk array technology. The mostpopular RAID level supplied.


Advantages
Most flexible of all disk arrays
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
Inefficient with large file transfer
Disk failure has an impact on performance

Applications
Transaction processing
Relational Databases
File & Print Servers
WWW, E-mail, and News servers
Intranet Servers