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16 Implementing Cisco InfiniBand on IBM BladeCenter
2.1 Cisco 4X InfiniBand Switch Module
The Cisco 4X InfiniBand Switch Module for IBM BladeCenter, part number 32R1756, adds
InfiniBand switching capability to hosts in your IBM BladeCenter H chassis. When you add
one or two switch modules to your BladeCenter H chassis and add an HCA expansion card to
your blade servers, your servers can communicate to one another over InfiniBand within the
chassis. When you connect the switch module to an outside InfiniBand fabric, servers can
communicate with all nodes that connect to the InfiniBand network.
This InfiniBand switch for IBM BladeCenter H delivers low-latency, high-bandwidth
connectivity (up to 240 Gbps full duplex) between InfiniBand connected internal BladeCenter
server blades, additional BladeCenter H chassis, stand-alone servers, and both internal and
external gateways for connectivity to Ethernet LANs and Fibre Channel SANs.
Key features include:
Up to eight external 4X (10 Gbps) InfiniBand ports (through two 4X connectors and two
12X connectors)
16 internal 4X (10 Gbps) InfiniBand ports
Up to 240 Gbps of aggregate bandwidth available per switch
Dual switch configurations to provide additional bandwidth, and redundancy
The Cisco 4X InfiniBand Switch Module, shown in Figure 2-1, is installed in either bay 7 or
bay 9 of the BladeCenter H or both. The recommendation is to install two modules for
redundancy.
Figure 2-1 Cisco 4X InfiniBand Switch Module
Each switch module includes 16 internal 4x ports to the backplane and eight 4x ports (in the
form of two 4x connectors and two 12x connectors) on the front panel. The Cisco InfiniBand
Switch Module provides fully non-blocking switching for all 24 ports. On the backplane, 14 of
the 16 internal 4x ports provide 10 Gbps connections to the HCA expansion cards on server
blades. The two remaining internal 4x ports provide connections to the chassis expansion
modules. All external 4x connectors provide 10 Gbps connections to the outside InfiniBand
network and can auto negotiate connection speed.
The Cisco 4X InfiniBand Switch Module transmits information to and from BladeCenter
management modules over Ethernet (through an internal Ethernet port toward the
Note: Cisco 4X InfiniBand Switch Module is not supported in the BladeCenter HT.
- Redpaper 1
- October 2007 3
- Contract with IBM Corp 4
- Contents 5
- Contents v 7
- Trademarks 10
- Become a published author 13
- Comments welcome 13
- IBM BladeCenter products and 15
- 1.1 BladeCenter chassis 16
- 1.2 Blade servers 19
- 4X InfiniBand networking only 27
- InfiniBand products for 29
- BladeCenter 29
- OK (Green) and Fault (Yellow) 38
- 2.6.2 InfiniBand DDR HCAs 39
- InfiniBand technology 45
- 3.1.1 Upper layer protocols 46
- 3.1.2 Transport layer 46
- 3.1.3 Network layer 47
- 3.1.4 Data link layer 47
- 3.1.5 Physical layer 48
- 12X Link 49
- 3.2.3 Storage RDMA Protocol 50
- 3.3 Hardware 52
- 3.4 Management 52
- 3.5 Common markets 53
- 3.5.1 Application clustering 54
- 3.5.3 Storage area networks 54
- Configuring InfiniBand with 55
- QLogic bridges 55
- 4.1.1 Installing the drivers 56
- 4.1.5 Hints and tips 74
- Figure 4-66 Active SRP Map 89
- Figure 4-67 Add Direct Map 90
- Figure 4-70 93
- 5.2.3 Configuring IPoIB 105
- Cisco 3012 InfiniBand to FC 109
- 6.2 Blade booting from a SAN 110
- Installing hardware 111
- Figure 6-6 Define SRP host 114
- 6.2.5 Configuring storage 118
- 6.2.6 Discovering storage 119
- 6.2.8 Port masking 120
- Loading SCSI driver 128
- Loading ts_srp_host driver 128
- Configuring the Cisco 3012 131
- 7.2 Client information 136
- 7.3.1 The design 137
- EGW = Ethernet Gateway Module 147
- BG1 = Bridge Group 1 147
- Blue = InfiniBand 147
- Green = Ethernet 147
- Int Po5 153
- Figure 7-25 164
- 7.7 Useful CLI commands 169
- 7.7.2 For the 4948 170
- Abbreviations and acronyms 171
- Related publications 173
- Online resources 174
- Help from IBM 174
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