The IBM eServer BladeCenter JS20 - IBM Redbooks

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Expansion cards You can install any one of the following expansion cards in the I/O expansion option connectors of the BladeCenter JS20: ► P/N 73P9030: Gigabit Ethernet Expansion Card ► P/N 13N2203: Fibre Channel Expansion Card ► P/N 73P6000: Myrinet Cluster Expansion Card We describe each of these expansion cards in the sections that follow. Fibre Channel Expansion Card You can use the Fibre Channel Expansion Card to connect the BladeCenter JS20 to SANs. The Fibre Channel Expansion Card provides two 2 Gbps Fibre Channel interfaces that are connected to I/O module bays 3 and 4. You must install either a SAN switch I/O module or the Optical Pass-Thru I/O Module in one or both of these I/O module bays to connect the blade server Fibre Channel interfaces to an external SAN. Note: There have been two different versions of the Fibre Channel Expansion Card. Both versions are functionally equivalent. The earlier version (P/N 48P7061) is now withdrawn from marketing. However, you may still find it in existing BladeCenter installations. Gigabit Ethernet Expansion Card You can use the Gigabit Ethernet Expansion Card to increase the number of Gigabit Ethernet network interfaces on the BladeCenter JS20 from two to four. The Gigabit Ethernet Expansion Card provides two Gigabit Ethernet interfaces that are connected to I/O module bays 3 and 4. You must install either a LAN Switch I/O Module or the Optical Pass-Thru I/O Module in one or both of these I/O module bays to connect the Gigabit Ethernet interfaces on the expansion card to an external LAN. Myrinet Cluster Expansion Card You can use the Myrinet Cluster Expansion Card to connect the BladeCenter JS20 to a Myrinet network. Myrinet was developed by Myricom Inc., and conforms to an ANSI standard (ANSI/VITA 26-1998). Myrinet networks are typically used to support certain types of high performance computing applications that distribute computation across a cluster of multiple servers. Such applications are said to exploit distributed memory parallelism. Distributed memory parallel applications often require the servers in the cluster to exchange messages with each other through some form of interconnection 28 The IBM Eserver BladeCenter JS20
network. The performance of such applications often depends on how quickly these messages can be exchanged. The highest performance is usually obtained by using a high-bandwidth, low-latency interconnection network. Myrinet provides a high-bandwidth, low-latency interconnection network that can be used to optimize the performance of distributed memory parallel applications. Consider using Myrinet if your application requires higher performance than is achievable using Gigabit Ethernet technology. You can learn more about Myrinet technology at the Myrinet Web site at: http://www.myri.com Note: The Myrinet Cluster Expansion Card is a repackaging of the Myricom M3F-PCIXD-2 PCI-X adapter to fit the special form factor required for blade server expansion cards. When you install a Myrinet Cluster Expansion Card on a blade server, you must install an Optical Pass-thru Module in I/O module bay 4 of the BladeCenter chassis. You must also connect the external interfaces of the Optical Pass-thru Module to an external Myrinet switch via appropriate optical fiber cables. We elaborate on the planning implications associated with using the Myrinet Cluster Expansion Card in 4.1.2, “High-performance, low-latency network requirements” on page 58. You can order Myrinet switches from IBM as a component of the IBM ^ Cluster 1350 product. You can learn more about Cluster 1350 at: http://www.ibm.com/eserver/cluster 2.3 PowerPC 970 and PowerPC 970FX Microprocessors This section provides more detailed information about the IBM PowerPC 970 Microprocessor and IBM PowerPC 970FX RISC Microprocessor that are used for the main processors on the BladeCenter JS20. This section reviews the POWER and PowerPC Architecture upon which the PowerPC 970 and PowerPC 970FX microprocessors are based. It also introduces the Vector/SIMD Multimedia eXtension (VMX) to the PowerPC Architecture. And it describes the major features of the PowerPC 970 and PowerPC 970FX microprocessors. Chapter 2. Hardware components 29
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5.3.2 Setting the boot sequence Set
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Figure 5-7 Viewing firmware levels
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4. After you download all the PKT f
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5.4.3 BladeCenter JS20 firmware (BI
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1. Download the firmware update pac
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LAN Switch Module in I/O Module Bay
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e. Leave the values for User Define
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connections. This is sufficient to
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minutes, you are disconnected. You
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6. As soon as you type 8, the Open
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5. Select the JS20 blade that you a
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6.1 Installing Linux Both Red Hat E
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SuSE sources SuSE installations are
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3. In the next panel as shown in Fi
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To build your own zImage.initrd, fo
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6.2.1 BOOTP DHCP is an extension to
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6.3.1 Red Hat Kickstart Red Hat pro
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6.3.2 SuSE AutoYaST SLES provides a
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► System Set the general system i
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The syntax for mkzimage_cmdline is
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3. We select the install option and
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7.1 Minimal NIM installation Follow
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4. In the next window (Figure 7-4),
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3. In the Configure NIM Environment
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7.3 Adding machine information With
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3. In the next window (Figure 7-12)
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7.4 Preparing the NIM master With a
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1. On the first panel, select the d
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4. As illustrated in Figure 7-19, w
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8.1 IBM Director IBM Director is a
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8.1.1 Setting up an IBM Director Se
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8. Enter the database connection in
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2. With the sources copied to the h
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As CSM was being developed, the Ext
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This is the interface that will be
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version packaged with CSM. And you
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You can verify what user IDs you co
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► PowerMethod: Should always be b
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The csmsetupyast command uses an XM
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RHEL Red Hat Enterprise Linux RISC
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Online resources ► CSM for Linux:
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How to get IBM Redbooks Help from I
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eth0 62 eth1 62 F Fibre Channel Exp
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T translation lookaside buffer (TLB
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The IBM Eserver BladeCenter JS20 Le
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