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26 Cabling Your RAID Enclosure

Figure 2-6. Cabling Up to Four Hosts with Nonredundant Data Paths

Figure 2-7 through Figure 2-10 show redundant, high-availability cabling configurations for one and two

hosts. If any one path fails, at least one HBA is still connected to one RAID controller.

single-HBA host server

RAID controller module 0

RAID controller module 1

MD3000 RAID Enclosure

MD1000 Expansion Enclosure

single-HBA host server

1 2 ... 21 22 23 24 25 26 27 28 29 30 31 ... 111 112

Hardware Owner’s Manual 1
Notes, Notices, and Cautions 2
Contents 3
4 Contents 4
6 Contents 6
About Your System 7
Modular Disk Storage Manager 8
Hardware Features 9
10 About Your System 10
12 About Your System 12
RAID Controller Modules 14
16 About Your System 16
RAID controller module 16
Cache Functions and Features 17
Write-Through Cache 18
20 About Your System 20
Cabling Your RAID Enclosure 21
Cabling the Enclosure 22
Using Your RAID Enclosure 33
Physical Disk States 34
Supported RAID Levels 35
Hot Spares and Rebuild 37
Global Hot Spares 38
Hot Spare Operation 38
Rebuild 38
RAID Operations and Features 39
Disk Group Operations 40
Segment Size Migration 41
Disk Group Expansion 41
Disk Group Defragmentation 41
Disk Group Operations Limit 42
Disk Migration 42
Advanced Features 44
Host Types 45
Snapshot Virtual Disks 46
Virtual Disk Service 46
Volume Shadow-Copy Service 47
Virtual Disk Copy 47
Virtual Disk Recovery 48
Redundancy and Non-Redundancy 49
Multi-Path Software 49
Host Bus Adapters 50
Host Cabling for Redundancy 50
Updating Enclosure Firmware 54
Recommended Tools 55
Battery Unit 60
Removing the Control Panel 64
Installing the Control Panel 65
1 midplane 68
Start-Up Routine 69
Troubleshooting a Fan 72
Invalid Enclosure 74
ECC Errors 74
PCI Errors 74
Critical Conditions 75
Noncritical Conditions 75
Getting Help 77
AutoTech Service 78
Dell Enterprise Training 79
Problems With Your Order 79
Product Information 79
Before You Call 80
Contacting Dell 80
82 Getting Help 82
84 Getting Help 84
86 Getting Help 86
88 Getting Help 88
90 Getting Help 90
92 Getting Help 92
94 Getting Help 94
96 Getting Help 96
98 Getting Help 98
100 Getting Help 100
Printers, and Projectors 100
102 Getting Help 102
Glossary 103
104 Glossary 104
106 Glossary 106
108 Glossary 108
110 Glossary 110
Index 111 111
112 Index 112

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Dell PowerVault MD3000 Manuale Utente Pagina 26

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