Hitachi Virtual Storage Platform F800, Hardware Reference Manual

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Virtual Storage Platform F800 controller
The Virtual Storage Platform F800 model equipped with dual controllers for
communicating with a data host.
Each controller contains its own processor, dual in-line cache memory
modules (DIMMs), cache flash memory (CFM), battery, and fans. The
controller has an Ethernet connection for out-of-band management using
Hitachi Device Manager - Storage Navigator. If the data path through one
controller fails, all drives remain available to data hosts using a redundant
data path through the other controller. The controller is equipped with LED
indicators for monitoring its operating conditions and notifying possible
component replacement.
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CBLH controller
Virtual Storage Platform F800 controller 19
Hitachi Virtual Storage Platform F800 Hardware Reference Guide