Appendix E: Replacement parts
Part replacement is essential for maintaining the high performance of the system.
Replacing system components is covered by the maintenance service contract.
Battery unit
Battery lifetime
The battery life time is aected by the battery temperature. The battery temperature
changes depending on the intake temperature and height of the storage system, the
conguration, operation of the controller boards and drives, charge-discharge count and
others. The battery lifetime will be three to ve years.
Treatment
Use the storage system in a place where the ambient temperature is 86°F (30°C) or less
on average.
Periodic parts replacement is required. For customers with maintenance service
contracts, parts are replaced periodically in keeping with the terms of the contract.
Note: The battery pr
otects the data in the cache memory in an emergency,
such as a sudden power failure. In these cases, follow the normal power
down procedure. If not, the battery might reach its lifespan earlier than
expected and become unusable within three years. When replacing the
battery, follow the given procedure for disposing a used battery.
Replacement period
The battery lifetime (intake temperature is 30 degrees C or less.) in the standard
environment is as shown below.
Appendix E: Replacement parts
Hitachi Virtual Storage Platform G200 Hardware Reference Guide 100
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