How to Replace a Faulty Disk Shelf Drive
Replacing the Disk Shelf Hardware
This section describes how to replace the disk shelf components.
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“How to Replace a Faulty Disk Shelf Drive” on page 249
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“How to Replace a Disk Shelf Power Supply” on page 253
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“How to Replace a Disk Shelf I/O Module” on page 258
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“How to Replace a Disk Shelf SIM Board” on page 260
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“How to Add a New Disk Shelf” on page 263
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“How to Add a Disk Shelf Cache Device” on page 264
To become familiar with the replaceable parts of the system, see “Disk Shelf Hardware
Overview” on page 234.
Be sure to read sections “Getting Started with Servicing the Hardware” on page 11 and
“Prerequisites for Servicing Hardware” on page 39.
Electrostatic Discharge Precautions
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Remove all plastic, vinyl, and foam material from the work area.
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Wear an antistatic wrist strap at all times when handling any CRU.
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Before handling any CRU, discharge any static electricity by touching a grounded surface.
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Do not remove a CRU from its antistatic protective bag until you are ready to install it.
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After removing a CRU from the chassis, immediately place it in an antistatic bag or
antistatic packaging.
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Handle any card that is part of a CRU by its edges only and avoid touching the components
or circuitry.
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Do not slide a CRU over any surface.
■
Limit body movement (which builds up static electricity) during the removal and
replacement of a CRU.
How to Replace a Faulty Disk Shelf Drive
Caution - Do not remove a component if you do not have an immediate replacement. The disk
shelf must not be operated without all components in place, including filler panels. Refer to
“Disk Shelf Hardware Overview” on page 234 for component locations.
Servicing the Hardware 249
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