Replacing An Assistant Cooling Unit (For 6800 V5/6800F V5) - Huawei OceanStor V5 Series Parts Replacement

OceanStor V5 Series
Parts Replacement
3.
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Follow-up Procedure
After the controller is replaced, label it to facilitate subsequent operations.
7.5 Replacing an Assistant Cooling Unit (for 6800
V5/6800F V5)
This section describes how to replace an assistant cooling unit.
Impact on the System
During the replacement of an assistant cooling unit, system performance and
reliability are compromised. Therefore, you are advised to replace an assistant
cooling unit during off-peak hours.
Prerequisite
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Precaution
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Issue 15 (2019-12-30)
After the preceding procedure is complete, check services on the host for
storage-related errors.
A spare part is on hand.
The assistant cooling unit that you want to replace has been located.
You can locate a component in either of the following ways:
● Locating a component based on alarms in DeviceManager: On the Alarms and Events
page of DeviceManager, view the help information and determine the ID of the
component to be replaced. Then locate the component at your site based on its ID.
● Locating a component based on the status of its Running/Alarm indicator: For details
about the indicators on different components, see Indicator Introduction of each
Product Description specific to your product model and version.
component in the
Each assistant cooling unit is equipped with three fan modules. Before
replacing an assistant cooling unit, ensure that the fan modules of the other
assistant cooling unit work properly.
Remove and insert an assistant cooling unit with even force. Excessive force
may damage the appearance or connectors of the assistant cooling unit.
Remove only one assistant cooling unit at a time.
An assistant cooling unit must be replaced within five minutes. Otherwise, the
system heat dissipation is compromised.
A controller enclosure's controller and assistant cooling unit (ACU) have the
same appearance, but can be distinguished according to the silkscreen in the
lower left corner of the front panel. CTM refers to a controller and ACU refers
to an assistant cooling unit.
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