Q-Logic 42051 Manual do Utilizador Página 41
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3 – Planning
Multiple Chassis Fabrics
59021-06 A 3-5
D
3.2.2.3
Multistage Topology
A Multistage topology describes a fabric in which two or more edge switches
connect to one or more core switches. Each additional core switch increases the
bandwidth to each edge switch by 200 MB/s. The Multistage fabric shown in
Figure 3-3 has the following characteristics:
Each link contributes up to 200 MB/s of bandwidth between chassis.
Competition for this bandwidth is less than that of a cascade topology, but
greater than that of the mesh topology.
Latency between any two device ports is three chassis hops.
52 Fibre Channel ports are available for devices
Figure 3-3. Multistage Topology
Core Switch
Edge Switch
Edge Switch
Edge Switch
- Installation Guide 1
- Document Revision History 2
- Table of Contents 3
- Section 3 Planning 4
- Section 4 Installation 4
- 59021-06 A Page v 5
- Section 6 Removal/Replacement 6
- Appendix A Specifications 6
- Page viii 59021-06 A 8
- Introduction 9
- Related Materials 10
- Safety Notices 11
- Sicherheitshinweise 11
- Communications Statements 12
- Statement 12
- CE Statement 13
- VCCI Class A Statement 14
- BSMI Class A Statement 14
- Laser Safety Information 15
- Accessible Parts 16
- Pièces Accessibles 16
- Zugängliche Teile 16
- General Public License 17
- Preamble 17
- 1 – Introduction 18
- 1-10 59021-06 A 18
- 59021-06 A 1-11 19
- 1-12 59021-06 A 20
- 59021-06 A 1-13 21
- 1-14 59021-06 A 22
- 59021-06 A 1-15 23
- Technical Support 24
- Availability 24
- Training 24
- Contact Information 24
- General Description 25
- Chassis Controls and LEDs 26
- Power Switches 26
- Maintenance Button 26
- Chassis LEDs 27
- Over Temperature LED (Amber) 27
- Fan Fail LED (Amber) 27
- Heartbeat LED (Amber) 28
- Input Power LED (Green) 28
- Fibre Channel Ports 28
- Port LEDs 29
- Logged-In LED 29
- Activity LED 29
- Port Modes 30
- Fabric Ports 31
- Translated Loop Port 31
- Expansion Port 31
- Ethernet Port 32
- Serial Port 32
- Power Supplies 33
- Figure 2-10. Fans 34
- Switch Management 35
- 2 – General Description 36
- 2-12 59021-06 A 36
- Planning 37
- Multiple Chassis Fabrics 38
- Common Topologies 39
- Cascade Topology 39
- Mesh Topology 40
- Multistage Topology 41
- Performance 42
- Distance 42
- Bandwidth 43
- Device Access 44
- Soft Zones 45
- Fabric Management 46
- Security 47
- 3 – Planning 48
- 3-12 59021-06 A 48
- Installation 49
- Environmental Conditions 50
- Installing a Switch 50
- Mount the Switch 51
- Install SFP Transceivers 52
- 4 – Installation 53
- 59021-06 A 4-5 53
- 4-6 59021-06 A 54
- 59021-06 A 4-7 55
- Ethernet Connection 57
- Serial Connection 57
- Install SANbox Manager 58
- 59021-06 A 4-11 59
- 59021-06 A 4-13 61
- Configure the Switch 63
- Configure the Ports 64
- Cable Devices to the Switch 64
- Install Firmware 65
- Powering Down a Switch 68
- Diagnostics/Troubleshooting 69
- Maintenance Mode Pattern 70
- Fatal Error Blink Pattern 70
- Logged-In LED Indications 73
- E_Port Isolation 74
- Excessive Port Errors 75
- POST Diagnostics 76
- 5-8 59021-06 A 76
- Chassis Diagnostics 77
- Fan Fail LED is Illuminated 78
- 59021-06 A 5-11 79
- Recovering a Switch 80
- Maintenance – Exit 81
- Maintenance – Image Unpack 81
- Maintenance – Copy Log Files 82
- Maintenance – Reset Switch 83
- 5-16 59021-06 A 84
- Removal/Replacement 85
- SFP Transceivers 86
- Figure 6-3. Fan Removal 88
- 6 – Removal/Replacement 90
- 6-6 59021-06 A 90
- Specifications 91
- Maintainability 92
- Dimensions 93
- Electrical 93
- Environmental 94
- Regulatory Certifications 95
- A – Specifications 96
- A-6 59021-06 A 96
- 59021-06 A A-7 97
- A-8 59021-06 A 98
- Command Line Interface 99
- Command Syntax 100
- Commands 101
- Admin Command 102
- Alias Command 103
- B – Command Line Interface 104
- B-6 59021-06 A 104
- Config Command 105
- B-8 59021-06 A 106
- 59021-06 A B-9 107
- Date Command 108
- Fallback Command 109
- Hardreset Command 110
- Help Command 111
- History Command 112
- Hotreset Command 113
- Image Command 114
- Lip Command 115
- Passwd Command 116
- Ping Command 117
- Ps Command 118
- Quit Command 119
- Reset Command 120
- Set Command 125
- B-28 59021-06 A 126
- Set Config Command 127
- B-36 59021-06 A 134
- 59021-06 A B-37 135
- B-38 59021-06 A 136
- Set Log Command 137
- B-40 59021-06 A 138
- 59021-06 A B-41 139
- Set Port Command 140
- Set Setup Command 141
- B-46 59021-06 A 144
- 59021-06 A B-47 145
- Show Command 146
- 59021-06 A B-49 147
- 59021-06 A B-53 151
- B-54 59021-06 A 152
- 59021-06 A B-55 153
- B-56 59021-06 A 154
- 59021-06 A B-57 155
- B-58 59021-06 A 156
- 59021-06 A B-59 157
- Show Config Command 158
- 59021-06 A B-61 159
- B-62 59021-06 A 160
- Show Log Command 161
- B-64 59021-06 A 162
- Show Perf Command 163
- B-66 59021-06 A 164
- Show Setup Command 165
- B-68 59021-06 A 166
- 59021-06 A B-69 167
- Shutdown Command 168
- Test Command 169
- Uptime Command 172
- User Command 173
- B-76 59021-06 A 174
- Whoami Command 175
- Zone Command 176
- 59021-06 A B-79 177
- B-80 59021-06 A 178
- 59021-06 A B-81 179
- Zoneset Command 180
- 59021-06 A B-83 181
- B-84 59021-06 A 182
- Zoning Command 183
- B-86 59021-06 A 184
- 59021-06 A B-87 185
- B-88 59021-06 A 186
- Glossary 187
- Glossary-2 59021-06 A 188
- 59021-06 A Glossary-3 189
- Glossary-4 59021-06 A 190
- Numerics 191
- Index-2 59021-06 A 192
- 59021-06 A Index-3 193
- Index-4 59021-06 A 194
- 59021-06 A Index-5 195
- Index-6 59021-06 A 196
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