Table Of Contents - HP D5970A - NetServer - LCII Configuration Manual

Contents
1 Introduction..................................................................................................1
Integrated HP NetRAID Controller..................................................................1
Features of the Integrated HP NetRAID Controller .........................................1
Channels and Devices ...............................................................................1
Controller Hardware ...................................................................................2
SCSI Firmware ..........................................................................................3
Array Spanning ..........................................................................................3
I O Support................................................................................................3
2
Physical Disk Roaming ..............................................................................3
Multiple Adapters .......................................................................................3
Fault-Tolerance and Management Features...............................................4
Changing Capacity and RAID Levels .........................................................4
About This Guide ...........................................................................................5
Other Information Sources .............................................................................5
2 RAID Overview .............................................................................................7
RAID Overview ..............................................................................................7
Physical Drives ..........................................................................................7
Arrays ........................................................................................................7
Hot Spares................................................................................................. 8
Logical Drives ............................................................................................8
Understanding RAID Levels ...........................................................................9
Arrays with No Redundancy: RAID Level 0 .............................................. 10
Non-spanned Arrays with Redundancy: RAID Levels 1, 3, and 5.............. 11
Spanned Arrays: RAID Levels 10, 30, and 50 .......................................... 14
3 Configuration Overview............................................................................. 21
4 Planning ..................................................................................................... 23
Overview ..................................................................................................... 23
Step A. Plan Your Hardware ........................................................................ 23
Gather Information................................................................................... 23
Sample Worksheet A ............................................................................... 24
Channels ................................................................................................. 25
Step B. Plan Arrays and Logical Drives........................................................ 27
Automatic Configuration........................................................................... 27
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