QLogic OFED+ Host Software User Guide, Rev. B

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G–ULP Troubleshooting Troubleshooting VirtualNIC and VIO Hardware Issues Another reason why the host might not be able to see the necessary IOCs is that the subnet manager has gone down. Issue an iba_saquery command to make certain that the response shows all of the nodes in the fabric. If an error is returned and the adapter is physically connected to the fabric, then the subnet manager has gone down, and this situation needs to be corrected. Checking the interface definitions on the host If it is not possible to ping from an InfiniBand host to the Ethernet host, and the ViPort State of the interface is VIPORT_CONNECTED, then issue an ifconfig command. The interfaces defined in the configuration files listed in /etc/sysconfig/network directory for SLES hosts or the /etc/sysconfig/network-scripts for Red Hat hosts should be displayed in the list of interfaces in the ifconfig output. For example, the ifconfig file should show an interface for each EIOC configuration file in the following list: # ls /etc/sysconfig/network-scripts ifcfg-eioc1 ifcfg-eioc2 ifcfg-eioc3 ifcfg-eioc4 ifcfg-eioc5 ifcfg-eioc6 Interface does not show up in output of 'ifconfig' If an interface is not displayed in the output of an ifconfig command, there is most likely a problem in the definition of that interface in the /etc/sysconfig/network-scripts/ifcfg- (for RedHat systems) or /etc/sysconfig/network/ifcfg- (for SuSE systems) file, where is the name of the virtual interface (e.g., eioc1). NOTE: For the remainder of this section, ifcfg directory refers to /etc/sysconfig/network-scripts/ on RedHat systems, and /etc/sysconfig/network on SuSE systems. Issue an ifup command. If the interface is displayed when issuing an ifconfig command, there may be a problem with the way the interface startup is defined in the ifcfg directory'/ifcfg- file that is preventing the interface from coming up automatically. If the interface does not come up, check the interface definitions in the ifcfg directory. Make certain that there are no misspellings in the ifcfg- file. G-6 D000046-005 B
G–ULP Troubleshooting Troubleshooting VirtualNIC and VIO Hardware Issues Example of ifcfg-eiocx setup for RedHat systems: DEVICE=eioc1 BOOTPROTO=static IPADDR=172.26.48.132 BROADCAST=172.26.63.130 NETMASK=255.255.240.0 NETWORK=172.26.48.0 ONBOOT=yes TYPE=Ethernet Example of ifcfg-eiocx setup for SuSE and SLES systems: BOOTPROTO='static' IPADDR='172.26.48.130' BROADCAST='172.26.63.255' NETMASK='255.255.240.0' NETWORK='172.26.48.0' STARTMODE='hotplug' TYPE='Ethernet' Verify the physical connection between the VIO hardware and the Ethernet network If the interface is displayed in an ifconfig and a ping between the InfiniBand host and the Ethernet host is still unsuccessful, verify that the VIO hardware Ethernet ports are physically connected to the correct Ethernet network. Verify that the Ethernet port corresponding to the IOCGUID for the interface to be used is connected to the expected Ethernet network. There are up to 6 IOC GUIDs on each VIO hardware module (6 for the IB/Ethernet Bridge Module, 2 for the EVIC), one for each Ethernet port. If a VIO hardware module can be seen from a host, the ib_qlgc_vnic_query -s file displays information similar to: EVIC in Chassis 0x00066a000300012a, Slot 19, Ioc 1 EVIC in Chassis 0x00066a000300012a, Slot 19, Ioc 2 EVIC in Chassis 0x00066a000300012a, Slot 8, Ioc 1 EVIC in Chassis 0x00066a000300012a, Slot 8, Ioc 2 EVIC in Chassis 0x00066a00da000100, Slot 2, Ioc 1 EVIC in Chassis 0x00066a00da000100, Slot 2, Ioc 2 D000046-005 B G-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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5 Using Other MPIs Introduction Thi
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5-Using Other MPIs Open MPI Open MP
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5-Using Other MPIs MVAPICH Further
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5-Using Other MPIs Managing Open MP
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5-Using Other MPIs Platform (Scali)
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5-Using Other MPIs Intel MPI Intel
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5-Using Other MPIs Intel MPI When u
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5-Using Other MPIs Improving Perfor
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6 Performance Scaled Messaging Intr
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6-Performance Scaled Messaging Usin
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7 Dispersive Routing Infiniband use
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7-Dispersive Routing • Static_Des
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8 gPXE gPXE Setup gPXE is an open s
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8-gPXE Preparing the DHCP Server in
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8-gPXE Netbooting Over InfiniBand P
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8-gPXE Netbooting Over InfiniBand W
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8-gPXE Netbooting Over InfiniBand #
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8-gPXE Netbooting Over InfiniBand #
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8-gPXE Netbooting Over InfiniBand T
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8-gPXE HTTP Boot Setup 5. Create an
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A mpirun Options Summary This secti
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A-mpirun Options Summary Quiescence
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A-mpirun Options Summary Tuning Opt
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A-mpirun Options Summary Format Opt
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B Benchmark Programs Several MPI pe
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B-Benchmark Programs Benchmark 2: M
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B-Benchmark Programs Benchmark 4: M
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C VirtualNIC Interface Configuratio
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C-VirtualNIC Interface Configuratio
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D SRP Configuration SRP Configurati
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D-SRP Configuration QLogic SRP Conf
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Page 179 and 180: D-SRP Configuration QLogic SRP Conf
Page 185 and 186: D-SRP Configuration OFED SRP Config
Page 187 and 188: E Integration with a Batch Queuing
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Page 193 and 194: F Troubleshooting This appendix des
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Page 199 and 200: F-Troubleshooting OpenFabrics and I
Page 201 and 202: F-Troubleshooting Performance Issue
Page 203 and 204: F-Troubleshooting QLogic MPI Troubl
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Page 241 and 242: H Write Combining Introduction Writ
Page 243 and 244: H-Write Combining MTRR Mapping and
Page 245 and 246: I Useful Programs and Files The mos
Page 247 and 248: I-Useful Programs and Files Summary
Page 261 and 262: I-Useful Programs and Files Common
Page 269 and 270: J Recommended Reading Reference mat
Page 272: Corporate Headquarters QLogic Corpo
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