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8
Hot-plug/hot-swap Components
This chapter describes how to handle hot plug or hot swap components and/or
how to modify your server hardware.
The hot swap procedure increases the availability of the system operation and
guarantees a high degree of data integrity and fail-safe performance.
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Upgrades or replacements of permanently installed components are
described in the Service Manual and may only be performed by Service
staff.
8.1
Hot-swap Power Supply Units
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A redundant power supply can be created by installing a second hot-
swap wide range power supply unit. If one power supply unit fails, the
other unit ensures operation can continue uninterrupted. The defective
power supply unit can be replaced online.
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CAUTION!
Please observe the safety information in chapter "Important Notes" on
page 13.
8.1.1
Adding a hot-swap Power Supply Unit
The mounting location for the second hot-swap power supply unit contains a
dummy module. This dummy module must be removed before installing a
second power supply unit.
Ê Open the two fixing screws and remove the dummy module from the second
power supply unit mounting location.
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CAUTION!
Keep the dummy module for future use. If the power supply unit is
removed and not replaced with a new unit, the dummy must be
reinstalled due to cooling, to comply with applicable EMC regulations
(regulations on electromagnetic compatibility) and to protect against
fire.
Ê Open the transport lock of the second power supply unit, insert and lock it in
the free location (see section "Replacing a Hot-swap Power Supply Unit" on
page 80) and connect it to the line voltage (see section "Connecting the
Server to the Line Voltage" on page 51).
A26361-K881-Z102-4-7619
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