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Chapter 5
System Maintenance
5.1 Overview
5.1.1 About Subsystem Maintenance
Constant monitoring and maintenance of your SATA-based subsystems will
minimize the chance of system downtime and preserve the working integrity of the
system for a longer period of time. If any of the subsystem plug-in modules fails,
they must be replaced as soon as possible.
WARNING!
Do not remove a failed component from the subsystem until you have a
replacement on hand. If you remove a failed component without replacing it, the
internal airflow will be disrupted and the system will overheat causing damage to
the subsystem.
All of the following components can be replaced in case of failure:
1. Controller module – Section 5.2
2. Memory module – Section 5.3
3. BBU module – Section 5.4
4. PSU modules – Section 5.5
5. Cooling fan modules – Section 5.6
6. Hard drives – Section 5.7.2
5.1.2 General Notes on Component Replacement
• With the exception of the RAID controller module, all the components on the
subsystems, including the PSU modules, cooling fan modules, BBU, and drive
trays are hot-swappable and can be changed while the subsystem is still in
operation.
5-1