G10 Hardware Maintenance Guide 7.13.2 74
Storage Subsystem
SAS STORAGE ARRAYS
All G10 systems support disk arrays to provide disk space for applications requiring extensive
data storage. The storage subsystem consists of controller enclosures and expansion
enclosures for expandable storage configurations. The controller enclosure manages the
physical disk drives and provides communication between the expansion enclosures and the
G10 probe. Expansion enclosures are JBOD (Just a Bunch of Disks) and contain no controller
mechanism. Expansion enclosures allow you to add twenty-four more drives of capacity to the
existing disk array configuration.
The disk arrays contain the following built-in re
du
ndancy configurations to improve system
reliability and availability:
Redundant, hot swappable fans and AC and DC power units
Dual, hot-swappable IO modules or controller modules
Hot-swappable disk drives
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