If you have not done the environmental planning for your system, see the Storwize
V7000 Unified physical installation planning topic in the Storwize V7000 Unified
Information Center.
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Step 4. Reviewing enclosure location guidelines
Create a plan that identifies appropriate rack locations for your system.
Control enclosure:
Follow these guidelines to create a plan that identifies an appropriate location in
the rack for the enclosure and file modules that you are installing now or will be
installing later.
Note: These guidelines assume that you are installing a new enclosure or
enclosures. If you are adding enclosures to an existing rack, you must consider the
amount of space available and the length of cables to the enclosure.
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. This action helps the rack to remain stable and provides a way for two
or more people to install and remove the enclosure.
If you are installing a control enclosure plus one or more expansion enclosures,
follow these guidelines:
If you have one or more expansion enclosures, position the control enclosure in the
middle of the expansion enclosures. Balance the expansion enclosures above and
below the control enclosure. Refer to Figure 10 on page 10.
For example, position the control enclosure in the middle of the enclosures for ease
of cabling.
v You can have no more than five expansion enclosures attached to SAS port 1 of
the control enclosure.
v You can have no more than four expansion enclosures attached to SAS port 2 of
the control enclosure.
v Position the enclosures together; avoid adding other equipment between
enclosures.
v When you add the first expansion enclosure to a control enclosure, it is
preferable to add the enclosure directly below the control enclosure.
v When you add a second expansion enclosure, it is preferable to add the
enclosure directly above the control enclosure. For each additional expansion
enclosure that you add, alternately add it below or above the control enclosure.
v Position the enclosures in the rack so that you can easily view them and access
them for servicing. This action helps the rack to remain stable and provides a
way for two or more people to install and remove the enclosures.
Chapter 1. Before you begin the installation 9
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