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Unable to bring up interfaces ib2 or ib3 when using two InfiniBand HCAs - IBM BladeCenter

Troubleshooting


Problem

Unable to bring up interfaces ib2 or ib3 when using two Infiniband HCAs in blade.

Resolving The Problem

Source

RETAIN tip: H183931

Symptom

Unable to bring up interfaces ib2 or ib3 when using two InfiniBand HCAs in blade.

Affected configurations

The system may be any of the following IBM BladeCenter:

  • IBM BladeCenter, type 8677, any model
  • IBM BladeCenter HS20, type 8678, any model
  • IBM BladeCenter HS20, type 8832, any model
  • IBM BladeCenter T, type 8730, any model
  • IBM BladeCenter T, type 8720, any model

The system is configured with the following option(s):

  • Topspin InfiniBand Expansion Card for IBM BladeCenter Option part number (p/n) 26K6457, Field Replacement Unit (FRU) 26K6458

The following operating systems are affected:

  • Red Hat Enterprise Linux, version 3 and 4
  • SUSE LINUX Enterprise Server 8 and 9

Workaround

Add the following to the /etc/modules.conf file:

  alias ib2 ts_ipoib
alias ib3 ts_ipoib

Additional information

An error in the install script does not insert the required information into the modules.conf file.

 

Document Location

Worldwide

Operating System

System x Hardware Options:Red Hat Linux

System x Hardware Options:SUSE Linux

BladeCenter:Red Hat Enterprise Linux 3

BladeCenter:Red Hat Enterprise Linux 4

BladeCenter:SUSE Linux Enterprise Server 8

BladeCenter:SUSE Linux Enterprise Server 9

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Document Information

Modified date:
29 January 2019

UID

ibm1MIGR-59607

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