The IBM eServer BladeCenter JS20 - IBM Redbooks

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To build your own zImage.initrd, follow these steps: 1. Obtain the necessary kernel sources and development utilities for your distribution as appropriate. If the necessary packages are not installed, you may experience some errors, which cause your compilation to fail. Consult your distribution’s documentation to determine the names of these packages. 2. With the packages installed, start by cleaning the source tree. This is a good procedure to ensure that there are no remnants of an old compile left hanging around. Here is an example of how to do this. # make mrproper 3. With the source tree clean, configure your kernel as required. The preferred method to do this is to use either make menuconfig (text based) or make xconfig (graphical; requires an X server). Both Red Hat and SuSE have their default kernel options selected when menuconfig / xconfig is launched after having done a make mrproper. From either interface, select the desired options. 4. After you configure the kernel, perform the compilation. Since RHEL 3 is based on the 2.4 kernel and SLES 9 is based on 2.6, the next steps are slightly different. Refer to Example 6-3 and Example 6-4 for each distribution. Example 6-3 Compiling a kernel in Red Hat # make dep # make clean # make zImage # make modules # make modules_install # make install Example 6-4 Compiling a kernel in SuSE # make # make modules_install # make install 108 The IBM Eserver BladeCenter JS20
5. After you compile the kernel, create the initial RAM disk. Both Red Hat and SuSE ship with a command called mkinitrd for this purpose. However, the syntax for each is slightly different, as shown in Example 6-5 and Example 6-6. Example 6-5 mkinitrd for Red Hat # cd arch/ppc64/boot # mkinitrd -f ramdisk.image 2.4.21-15.ELcustom # gzip ramdisk.image # cd /usr/src/linux-2.4 # make zImage.initrd Example 6-6 mkinitrd for SuSE # make install # mkinitrd # cd arch/ppc64/boot/ # cp /boot/initrd-2.6.5-7.39-pseries64 ramdisk.image # gzip ramdisk.image # cd /usr/src/linux # make zImage.initrd Attention: The file names referred to are all relative to the kernel version strings within the Makefile for the kernel. The files on your system may be different. After you complete these steps, you should have a bootable zImage.initrd file in /boot/ppc64/. 6.2 Configuring BOOTP and TFTP There are three steps to network booting a POWER/PowerPC-based server. 1. Perform a Power On Self Test (POST) and then receive BOOTP information from BOOTP server, including the IP, Trivial File Transfer Protocol (TFTP) server IP, and zImage.initrd file name. 2. TFTP server sends the zImage.initrd file. 3. The server boots using the zImage.initrd file. Both RHEL and SLES ship with Dynamic Host Configuration Protocol (DHCP) and TFTP packages. Ensure that you have installed the appropriate RPMs. Chapter 6. Installing Linux 109
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The IBM Eserver BladeCenter JS20 Le
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Note: Before using this information
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Chapter 4. Planning considerations
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vi The IBM Eserver BladeCenter JS20
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6-8 Language selection . . . . . .
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x The IBM Eserver BladeCenter JS20
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Trademarks The following terms are
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worked actively with Linux adoption
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xvi The IBM Eserver BladeCenter JS2
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2 The IBM Eserver BladeCenter JS20
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for e-commerce and On Demand Busine
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2.1 Overview of the BladeCenter inf
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Attention: Nonredundant power is no
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Attention: Power supply modules mus
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Figure 2-4 KVM Management Module Th
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2.1.4 I/O modules You use the keybo
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Note: The IBM 4-Port Gb Ethernet Sw
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The Brocade Enterprise SAN Module c
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2.2 BladeCenter JS20 The BladeCente
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2.2.1 Base features There are two m
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You can learn more about the availa
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Expansion cards You can install any
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2.3.1 Review of POWER and PowerPC A
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In 1993, IBM announced the POWER2 p
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These components all interact with
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IBM processors implementing PowerPC
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PowerPC 970 and PowerPC 970FX proce
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capabilities were usually referred
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For additional information about th
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The major features of the PowerPC 9
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the bus interface is slightly lower
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3.1 Operating system support 3.1.1
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3.2.2 IBM Director management, the
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4.1 Network planning Successful ins
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Hardware management subnet We recom
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Page 88 and 89: 5.1 Management Module configuration
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Page 92 and 93: When a new LAN Switch I/O Module is
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Page 96 and 97: 5.3.2 Setting the boot sequence Set
Page 98 and 99: Figure 5-7 Viewing firmware levels
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Page 102 and 103: 5.4.3 BladeCenter JS20 firmware (BI
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Page 114 and 115: 6. As soon as you type 8, the Open
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Page 120 and 121: 6.1 Installing Linux Both Red Hat E
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Page 158 and 159: 8.1 IBM Director IBM Director is a
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Page 166 and 167: As CSM was being developed, the Ext
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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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