Integrated HP NetRAID Controller Config. Guide

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Contents
Introduction......................................................................................................1
Integrated HP NetRAID Controller..................................................................1
Channels and Devices ...............................................................................1
Integrated HP NetRAID Controller Hardware..............................................4
Integrated HP NetRAID Firmware ..............................................................5
Array Spanning ..........................................................................................5
Physical Disk Roaming...............................................................................5
Multiple Adapters .......................................................................................5
Fault-Tolerance and Management Features...............................................6
Changing Capacity and RAID Levels..........................................................7
About This Guide ...........................................................................................8
Other Information Sources .............................................................................8
2 RAID Overview ...........................................................................................11
RAID Overview ............................................................................................11
Physical Drives ........................................................................................11
Arrays ......................................................................................................11
Hot Spares...............................................................................................12
Logical Drives ..........................................................................................12
Understanding RAID Levels .........................................................................13
Arrays with No Redundancy: RAID Level 0...............................................14
Non-spanned Arrays with Redundancy: RAID Levels 1, 3, and 5..............15
Spanned Arrays: RAID Levels 10, 30, and 50...........................................18
3 Configuration Overview.............................................................................25
4 Planning .....................................................................................................27
Overview......................................................................................................27
Step A. Plan Your Hardware.........................................................................27
Gather Information...................................................................................27
Sample Worksheet A ...............................................................................28
Channels..................................................................................................29
Step B. Plan Arrays and Logical Drives........................................................35
Automatic Configuration...........................................................................35
Custom Configuration ..............................................................................36