The IBM eServer BladeCenter JS20 - IBM Redbooks

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Attention: Power supply modules must always be installed in pairs. You can have either two power supply modules (in power bays 1 and 2) or four power supply modules (in power bays 1 through 4). Both power supply modules in a redundant pair should have the same capacity. When setting up the power requirements for the BladeCenter, remember the following criteria: ► Install the power modules in pairs in a domain. They must match each other in capacity (wattage, amperage, and so on). ► A power domain operating above the capacity of a single power module results in a nonredundant power condition. ► In a pair of power modules, a power module that is not connected to a 200–240 volt ac power source results in a nonredundant power condition. ► To provide true redundant power, connect BladeCenter power modules 1 and 3 to a different 200–240 volt ac power source than to power modules 2 and 4. ► Connect an installed power module to an ac power source. The module must not be used as a filler. Attention: To maintain proper system cooling, each unoccupied blade bay must contain a filler blade as well as each unoccupied I/O, management-module, or power-module bay. An installed power module must be powered, but must not be used as a filler. Table 2-1 shows the minimum power requirements for power domain A. Table 2-1 Power domain A minimum power requirements Sum of JS20 power units Minimum power module required Less than 7.4 1200 W (labeled 7.5A) 7.4 up to less than 9.0 1400 W (labeled 9A) 9.0 up to less than 10.0 1800 W (labeled 12A) 10.0 or greater 2000 W (labeled 13.5A) 12 The IBM Eserver BladeCenter JS20
Table 2-2 shows the minimum power requirements for power domain B. Table 2-2 Power domain B minimum power requirements Sum of JS20 power units Minimum power module required Less than 9.9 1200 W (labeled 7.5A) 9.9 up to less than 11.5 1400 W (labeled 9A) 11.5 up to less than 13.4 1800 W (labeled 12A) 13.4 or greater 2000 W (labeled 13.5A) Each BladeCenter JS20 (1.6 GHz/800 MHz 8842-21X) requires 1.5 power units for two installed microprocessors. For example, if you fully populate all six bays, the total power units is 9.0 (6 bays times 1.5). According to Table 2-1, you need a minimum of the 1800 W power module. For other configurations, refer to the latest version of IBM ^ BladeCenter Power Module Upgrade Guidelines Technical Update, found at: http://www.ibm.com/pc/support/site.wss/document.do?lndocid=MIGR-53353 Also, you can use the following steps to obtain the BladeCenter Planning and Installation Guide: 1. Go to: http://www.ibm.com/pc/support/ 2. In the Browse by product section, click Servers, and then select the brand Servers and the family BladeCenter. 3. Click Continue. 4. From the View by document type menu, click Online Publications. 2.1.3 Management Module Each BladeCenter chassis comes standard with a Management Module, as shown in Figure 2-4. You can also install a redundant Management Module by ordering the IBM KVM/Redundant Management Module Option (P/N 48P7055). When you have two Management Modules, only one is active. The other module is in standby mode until it is switched to become the active Management Module. Chapter 2. Hardware components 13
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When you perform network installati
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IBM Director Agent for the BladeCen
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Network considerations and summary
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68 The IBM Eserver BladeCenter JS20
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5.1 Management Module configuration
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PASSW0RD. The 0 in the password is
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When a new LAN Switch I/O Module is
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At this point, the LAN Switch I/O M
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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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