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Enclosure Power
One 180 W power supply adequately supports enclosure functions. A second power
supply provides redundancy. Using two 180 W power supplies in the enclosure eliminates
the power supply as a single point of failure.
Controller Sets
The enclosure accommodates up to two controller sets. Each controller set is composed of
an array controller, a cache module, and an ECB.
The following Compaq StorageWorks array controller types function properly within the
enclosure, using controller-compatible cache memory and a supported array controller
software (ACS) version:
Model 2100 enclosures — any supported 2-port array controller, such as the HSG60
Model 2200 enclosures — any supported 6-port array controller, such as the HSG80
Various cabling configurations can be used to connect an array controller to a host. Refer
to array controller documentation for cable configuration information.
Storage CRUs
The enclosure does not support the installation of storage devices within the enclosure.
CAUTION: Proper enclosure operation requires power supplies rated for at least
180 W.
CAUTION: Proper cache module operation requires an ECB module for each cache.
Refer to the array controller documentation for information about using controller sets
and ECBs.
Introducing the Controller Enclosure
1–5
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