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Electrostatic Discharge Precautions
Always follow electrostatic discharge (ESD) precautions to avoid injury and damage to Storage Center equipment.
Electrostatic discharge (ESD) is generated by two objects with different electrical charges coming into contact with each other. The
resulting electrical discharge can damage electronic components and printed circuit boards. Follow these guidelines to protect your
equipment from ESD:
•
Dell recommends that you always use a static mat and static strap while working on components in the interior of the chassis.
•
Observe all conventional ESD precautions when handling plug-in modules and components.
•
Use a suitable ESD wrist or ankle strap.
•
Avoid contact with backplane components and module connectors.
•
Keep all components and printed circuit boards (PCBs) in their antistatic bags until ready for use.
General Safety Precautions
Always follow general safety precautions to avoid injury and damage to Storage Center equipment.
•
Keep the area around the storage system chassis clean and free of clutter.
•
Place any system components that have been removed away from the storage system chassis or on a table so that they are not
in the way of other people.
•
While working on the storage system chassis, do not wear loose clothing such as neckties and unbuttoned shirt sleeves. These
items can come into contact with electrical circuits or be pulled into a cooling fan.
•
Remove any jewelry or metal objects from your body. These items are excellent metal conductors that can create short circuits
and harm you if they come into contact with printed circuit boards or areas where power is present.
•
Do not lift the storage system chassis by the handles of the power supply units (PSUs). They are not designed to hold the
weight of the entire chassis, and the chassis cover could become bent.
•
Before moving the storage system chassis, remove the PSUs to minimize weight.
•
Do not remove drives until you are ready to replace them.
NOTE: To ensure proper storage system cooling, hard drive blanks must be installed in any hard drive slot that is not
occupied.
Pre-Replacement Procedures
Send Diagnostic Data Using Dell SupportAssist
Before replacing components, use Dell SupportAssist to send diagnostic data to Dell Technical Support.
1.
Use Dell Storage Manager to connect to the Storage Center.
2.
In the Summary tab, click Send SupportAssist Information Now, which is located under SupportAssist Actions in the Status
pane.
The Send SupportAssist Information Now dialog box opens.
3.
Select Storage Center Configuration and Detailed Logs.
4.
Click OK.
Change the Operation Mode of the Storage Center to Maintenance
Change the operation mode of the Storage Center to Maintenance before replacing components.
1.
Use Dell Storage Manager to connect to the Storage Center.
2.
In the Summary tab, click Edit Settings. The Edit Storage Center Settings dialog box opens.
3.
Click the General tab.
4.
In the Operation Mode field select Maintenance. Selecting Maintenance isolates alerts from those that would occur during
normal operation.
12
Replacing SCv3000 and SCv3020 Storage System Components
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