QLogic OFED+ Host Software User Guide, Rev. B

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8–gPXE Netbooting Over InfiniBand The following is an example of the images.conf file Alias /images /vault/images AllowOverride All Options Indexes FollowSymLinks Order allow,deny Allow from all The following is an example of the kernels.conf file Alias /kernels /boot AllowOverride None Order allow,deny Allow from all 3. Make a uniboot directory: mkdir -p /vault/images/uniboot 4. Create a initrd.img file Prerequisites • “gPXE Setup” on page 8-1 has been completed. • “Preparing the DHCP Server in Linux” on page 8-2 has been completed To add an InfiniBand driver into the initrd file, The InfiniBand modules need to be copied to the diskless image. The host machine needs to be pre-installed with the QLogic OFED+ Host Software that is appropriate for the kernel version the diskless image will run. The QLogic OFED+ Host Software is available for download from http://driverdownloads.qlogic.com/QLogicDriverDownloads_UI/default.aspx NOTE: The remainder of this section assumes that QLogic OFED+ has been installed on the Host machine. 8-6 D000046-005 B
8–gPXE Netbooting Over InfiniBand WARNING!! The following procedure modifies critical files used in the boot procedure. It must be executed by users with expertise in the boot process. Improper application of this procedure may prevent the diskless machine from booting. a. If /vault/images/initrd.img file is already present on the server machine, back it up. For example: cp -a /vault/images/initrd.img /vault/images/ initrd.img.bak D000046-005 B 8-7
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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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4-Running QLogic MPI on QLogic Adap
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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 109 and 110: 6-Performance Scaled Messaging Usin
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 129 and 130: 8-gPXE HTTP Boot Setup 5. Create an
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
Page 161 and 162: D SRP Configuration SRP Configurati
Page 163 and 164: D-SRP Configuration QLogic SRP Conf
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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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