16–2 General maintenance and best practices
Hitachi Unified Storage Hardware Service Guide
Periodic maintenance procedures
Table 16-1 describes periodic maintenance tasks for the storage system.
Inspect and clean the storage system regularly, as dictated by your
environment.
Inspecting the fans
A Fan Unit is only installed in the CBL. The fan for the CBXSS/CBXSL/CBSS/
CBSL is built into the Power Unit. Inspect the fans when the storage system
power is turned on.
Cleaning the storage system
To clean the storage system, check whether the air vents are clogged by
dust. If they are clogged, remove the dust with a vacuum cleaner or wipe
the dust with a dry cloth.
Keep the internal and external sides of the front bezel (you may need to
remove the front bezel as described in Removing and replacing the front
bezel on page 3-10) and keep the rear panel clean. Otherwise, the
ventilation passing through the storage system can be affected, causing the
storage system temperature to rise and result in a failure or possibly a fire.
Do not move the storage system during cleaning.
Table 16-1: Periodic maintenance procedures
Task Interval Approximate time required
Inspect fans on Fan Unit
Y1 5 minutes
Inspect fans on Power Unit
Clean the front bezel Y1 5 minutes
Clean the rack Y1 5 minutes
WARNING! The storage system fans rotate at high speed. Exercise
extreme caution to avoid getting anything caught in the rotation of the fans.
WARNING: Do not touch a live part on the storage system. Otherwise, you
can receive an electric shock.
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