Adaptec 5405 - Selecting the Best RAID Level

B
Selecting the Best RAID Level
In this appendix...
Comparing RAID Levels ...................................................................................................... 153
Understanding Drive Segments........................................................................................... 153
Non-redundant Logical Drives (RAID 0) ........................................................................... 154
RAID 1 Logical Drives.......................................................................................................... 155
RAID 1 Enhanced Logical Drives ........................................................................................ 155
RAID 10 Logical Drives........................................................................................................ 156
RAID 5 Logical Drives.......................................................................................................... 157
RAID 5EE Logical Drives..................................................................................................... 158
RAID 50 Logical Drives........................................................................................................ 159
RAID 6 Logical Drives.......................................................................................................... 160
RAID 60 Logical Drives........................................................................................................ 160
When you create logical drives in Adaptec Storage Manager, you can assign a RAID level to
protect your data.
Each RAID level offers a unique combination of performance and redundancy. RAID levels
also vary by the number of disk drives they support.
This chapter provides a comparison of all the RAID levels supported by Adaptec Storage
Manager, and provides a basic overview of each to help you select the best level of protection
for your storage system.