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configuration to create new or add to existing hardware partitions. See 4.5,
"Upgrading an x3850 M2 to an x3950 M2" on page 204
The ScaleXpander key is standard in x3950 M2 model numbers nSn.
See 1.2, "Model numbers and scalable upgrade options" on page 9.
The ScaleXpander key can be installed in an x3850 M2 with the
ScaleXpander Option Kit, part number 44E4249. An x3850 M2 with the
installed ScaleXpander Option Kit is considered equivalent to an x3950 M2.
All nodes within a multinode configuration must have the same processor
family, speed, and cache sizes.
Two or four processors are supported in each node.
A multinode complex can be formed using two, three, or four nodes.
A complex of eight nodes is not supported.
For two-node and three-node complexes, the necessary cables are included
with the x3950 M2 or with the ScaleXpander Option Kit.
For a four-node complex, additional cables are required; they are included in
the IBM XpandOnDemand Scalability Kit 2, part number 44E4250.
Table 4-1 lists part numbers for the components required when you set up a
multinode configuration.
Table 4-1 Supported and required scalability option part numbers
Option part number
44E4249
44E4250
Refer to 4.6, "Cabling of multinode configurations" on page 209.
The primary node must have at least 4 GB of RAM to form a multinode
complex.
202
Planning, Installing, and Managing the IBM System x3950 M2
Description
IBM ScaleXpander Option Kit, to upgrade an x3850 M2 to
an x3950 M2 to enable scalability features. Kit contains:
One ScaleXpander key
One 3.08m (9.8ft) scalability cable
One x3950 M2 front bezel
One Enterprise Cable Management Arm
IBM Scalability Upgrade Option 2 provides additional
cables to form a 4-node complex. It contains:
One 3.08m (9.8ft) scalability cable
One 3.26m (10.8ft) scalability cable
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