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• From 4 to 12 DDR4 (288p socket) DIMMs in 12 DIMM slots in each node canister, supported as base
memory and cumulative, sequential upgrades:
– 32 GB per node canister as 2 x 16 GB DIMMs (default base installation)
– 96 GB per node canister as 6 x 16 GB DIMMs (the first upgrade of 64 GB raises the cumulative total
to 96 GB total memory per canister)
– 288 GB per node canister as 6 x 16 GB DIMMs and 6 x 32 GB DIMMs (the second upgrade of 192 GB
raises the cumulative total to 288 GB total memory per canister)
Note: The control enclosure has two canisters. To reach the system total cache of 576 GB, multiply
the above figure of 288 GB by two.
For other differences, see the system overview in the Knowledge Center.
Verify environmental requirements
The environmental and electrical requirements for the physical site must be met to ensure that your
system works reliably.
Before you install a system, you must verify that adequate space in a suitable rack is available. You must
also ensure that the requirements for power and environmental conditions are met.
The quick installation guide assumes that you have completed the physical planning for the environment
of your system. If you have not done the environmental planning for your system, see the " physical
installation planning" topic in the IBM Knowledge Center for the product. Complete the planning tasks
and worksheets before you install and initialize your system.
If your system contains more than one control enclosure, configure a Fibre Channel switch for correct
zoning between control enclosures for best results. See the configuring topics in IBM Knowledge Center
that contain information about zoning rules and zoning details.
To verify that your environment can support 2077-424 , see Appendix C, "Control enclosure
requirements," on page 95.
To verify that your environment can support expansion enclosures for 2077-424 , see Appendix D, "SAS
expansion enclosure requirements," on page 101.
Review enclosure location guidelines
Installing a control enclosure only
If you are installing a control enclosure only, follow these guidelines.
• Position the enclosure in the rack so that you can easily view it and access it for servicing.
• Locate the enclosure low enough for the rack to remain stable.
A fully assembled enclosure, containing drives, node canisters, power supplies units, and all possible
features weighs approximately 45 kg (99 lb), requiring three people to lift. For installation by a single
person, reduce the system down to manageable components by removing the drives from the front of the
enclosure and node canisters and power supply units from the rear of the enclosure before you attempt
to move the enclosure.
Installing a control enclosure and one or more expansion enclosures
If you are installing a control enclosure plus one or more expansion enclosures, follow these guidelines.
Chapter 1. Before you begin the installation 9
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