IBM Support

F2 Diagnostics unavailable in multi-node configurations - Servers

Troubleshooting


Problem

When booting into a multi-node configuration, F2 diagnostics are not available during POST. If booting the server into stand-alone mode, then F2 diagnostics are available.

Resolving The Problem

Source

RETAIN tip: H193421

Issue

When booting into a multi-node configuration F2 diagnostics are not available during POST.

If booting the server into stand-alone mode, then F2 diagnostics are available.

Affected configurations

The system may be any of the following IBM servers:

  • System x3950 E, type 8874, any model
  • System x3950 E, type 8879, any model
  • System x3950, type 8872, any model
  • System x3950, type 8878, any model
  • xSeries 460, type 8872, any model
  • xSeries MXE-460, type 8874, any model

This tip is not option specific.

This tip is not software specific.

Additional information

Boot the server into stand-alone mode by pressing the ESC key during POST.

This is working as designed.

F2 diagnostics is based on DOS and does not have enough resource capability to run in a multi-node configuration.

To run F2 diagnostics, each server in a multi-node configuration must be booted into stand-alone mode.

Document Location

Worldwide

Operating System

System x:Operating system independent / None

Older System x:Operating system independent / None

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Document Information

Modified date:
29 January 2019

UID

ibm1MIGR-5076165

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