User manual

WebPAM User Manual
96
RAID 5
Recommended Applications for RAID 5
RAID 10
Recommended Applications for RAID 10
• Imaging applications
• Database servers
• General fileserver
JBOD
Recommended Applications for JBOD
• Non-critical file storage
• Swappable data storage
Advantages Disadvantages
High Read data transaction rate
Medium Write data transaction rate
Good aggregate transfer rate
Disk failure has a medium impact on
throughput
• File and Application servers
• WWW, E-mail, and News servers
• Intranet servers
• Most versatile RAID level
Advantages Disadvantages
Implemented as a mirrored logical drive
whose segments are RAID 0 logical
drives
High I/O rates are achieved thanks to
multiple stripe segments
Very high disk overhead - uses only
50% of total capacity
Advantages Disadvantages
Easy management of multiple
independent disk drives
No increase in performance, capacity or
fault tolerance.