Configuring a QPI multi-node system
This topic provides information about configuring a QPI multi-node system.
About this task
A multi-node configuration interconnects multiple servers or multiple partitions.
This configuration requires 8 microprocessors and 16 memory cards (4
microprocessors and 8 memory cards per node). See the documentation that came
with your QPI cables to set up your QPI multi-node configuration.
Note: Do not use the IMM Scalable Partition Web Interface to configure a QPI
multi-node system.
Before you create scalable partitions, make sure that all the nodes in the
multi-node configuration contain the following software and hardware:
v The current level of UEFI code, SAS UEFI code, IMM firmware, and FPGA
firmware
Note: To check for the latest firmware levels and to download firmware
updates, go to http://www.ibm.com/supportportal/.
v Microprocessor that are the same cache size and type, and the same clock speed
Note: The nodes can vary in the number of microprocessors and the amount of
memory each contains, above the minimum.
226 IBM System x3850 X5 and x3950 X5 Types 7145, 7146, 7143, and 7191: Problem Determination and Service Guide
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