7X20; 7X20 Cru Maintenance Procedures; Prerequisites; Safety Information - Oracle Sun ZFS Service Manual

Disk Shelf
The 7420 single and cluster controller configurations allow one to four chains of 1 to 6
Shelves. Any combination of disk-only and Logzilla-capable shelves may be combined within
the chain in any order. The cabling configurations are unchanged. Half-populated shelf
configurations are not supported.
See Disk Shelf Overview for component specifications and diagrams.

7x20

7x20 CRU Maintenance Procedures

This section provides instructions on how to replace customer replaceable components (CRUs)
in Oracle's Sun ZFS Storage 7120, 7320, and 7420 controllers.
Refer to

Prerequisites

Read the information in the overview section for your model to become familiar with the
replaceable parts of the system:
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Caution: Read and follow the instructions in the Safety Information and Required Tools and
Information sections.

Safety Information

This section contains safety information that you must follow when servicing the storage
system. For your protection, observe the following safety precautions when setting up your
equipment:
Do not remove the side panels, or run the storage system with the side panels removed.
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Hazardous voltage is present that could cause injury. The covers and panels must be in place
for proper air flow to prevent equipment damage.
Follow all cautions, warnings, and instructions marked on the equipment and described in
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Important Safety Information for Sun Hardware Systems.
Chapter 2 • Hardware Maintenance
Disk Shelf Details for replacing expansion storage shelf components.
7120 Overview
7320 Overview
7420 Overview
7x20
Sun Disk
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