QLogic OFED+ Host Software User Guide, Rev. B

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8–gPXE HTTP Boot Setup This is the kernel that will boot. This file can be copied from any machine that has RHEL5.3 installed. 2. Start httpd Steps on the gPXE Client 1. Ensure that the Host Channel Adapter is listed as the first bootable device in the BIOS. 2. Reboot the test node(s) and enter the BIOS boot setup. This is highly dependent on the BIOS for the system but you should see a menu for boot options and a submenu for boot devices. Select gPXE IB as the first boot device. When you power on the system or press the reset button, the system will execute the boot code on the Host Channel Adapter that will query the DHCP server for the IP address and boot image to download. Once the boot image is downloaded, the BIOS/Host Channel Adapter is finished and the boot image is ready. 3. Verify system boots off of the kernel image on the boot server. The best way to do this is to boot into a different kernel from the one installed on the hard drive on the client, or to un-plug the hard drive on the client and verify that on boot up, a kernel and file system exist. HTTP Boot Setup gPXE supports booting diskless machines. To enable using an IB driver, the (remote) kernel or initrd image must include and be configured to load that driver. This can be achieved either by compiling the Host Channel Adapter driver into the kernel, or by adding the device driver module into the initrd image and loading it. 1. Make a new directory mdir /vault/images/uniboot 2. Change directories cd /vault/images/uniboot 3. Create a initrd.img file using the information and example in Step 4 of Boot Server Setup. 4. Create a uniboot.php file using the example in Step 5 of Boot Server Setup. 8-14 D000046-005 B
8–gPXE HTTP Boot Setup 5. Create an images.conf file and a kernels.conf file using the examples in Step 2 of Boot Server Setup and place them in the /etc/httpd/conf.d directory. 6. Edit /etc/dhcpd.conf file to boot the clients using HTTP filename "http://172.26.32.9/images/uniboot/uniboot.php"; 7. Restart the DHCP server 8. Start HTTP if it is not already running: /etc/init.d/httpd start D000046-005 B 8-15
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QLogic OFED+ Host Software User Gui
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Table of Contents 1 Introduction Ho
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Preface The QLogic OFED+ Host Softw
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Preface Technical Support Technical
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1 Introduction How this Guide is Or
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1-Introduction Interoperability QLo
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2 Step-by-Step Cluster Setup and MP
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3 TrueScale Cluster Setup and Admin
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3-TrueScale Cluster Setup and Admin
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4 Running QLogic MPI on QLogic Adap
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4-Running QLogic MPI on QLogic Adap
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Page 77 and 78: 4-Running QLogic MPI on QLogic Adap
Page 91 and 92: 5 Using Other MPIs Introduction Thi
Page 93 and 94: 5-Using Other MPIs Open MPI Open MP
Page 95 and 96: 5-Using Other MPIs MVAPICH Further
Page 97 and 98: 5-Using Other MPIs Managing Open MP
Page 99 and 100: 5-Using Other MPIs Platform (Scali)
Page 101 and 102: 5-Using Other MPIs Intel MPI Intel
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Page 105 and 106: 5-Using Other MPIs Improving Perfor
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Page 111 and 112: 7 Dispersive Routing Infiniband use
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Page 115 and 116: 8 gPXE gPXE Setup gPXE is an open s
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Page 131 and 132: A mpirun Options Summary This secti
Page 133 and 134: A-mpirun Options Summary Quiescence
Page 135 and 136: A-mpirun Options Summary Tuning Opt
Page 137 and 138: A-mpirun Options Summary Format Opt
Page 139 and 140: B Benchmark Programs Several MPI pe
Page 141 and 142: B-Benchmark Programs Benchmark 2: M
Page 143 and 144: B-Benchmark Programs Benchmark 4: M
Page 145 and 146: C VirtualNIC Interface Configuratio
Page 147 and 148: C-VirtualNIC Interface Configuratio
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D-SRP Configuration QLogic SRP Conf
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D-SRP Configuration OFED SRP Config
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E Integration with a Batch Queuing
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E-Integration with a Batch Queuing
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E-Integration with a Batch Queuing
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F Troubleshooting This appendix des
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F-Troubleshooting Kernel and Initia
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F-Troubleshooting Kernel and Initia
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F-Troubleshooting OpenFabrics and I
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F-Troubleshooting Performance Issue
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F-Troubleshooting QLogic MPI Troubl
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G ULP Troubleshooting Troubleshooti
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G-ULP Troubleshooting Troubleshooti
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H Write Combining Introduction Writ
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H-Write Combining MTRR Mapping and
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I Useful Programs and Files The mos
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I-Useful Programs and Files Summary
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I-Useful Programs and Files Common
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J Recommended Reading Reference mat
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Corporate Headquarters QLogic Corpo
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