Chapter 2: Virtual Storage Platform N400, N600
controller
The Virtual Storage Platform N400, N600 models are equipped with dual controllers for
communicating with a data host.
Each controller includes the following internal components such as a 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.
CBLM controller
The CBLM controller includes specific functional LEDs located on the front and rear of
controller and power supplies to provide its operating status.
CBLM with front panel bezel
The following table describes the definitions of the CBLM controller front panel bezel LEDs.
Number
Item
Description
1
POWER LED
Green: Storage system is
powered on.
Amber: Storage system is
receiving power.
Chapter 2: Virtual Storage Platform N400, N600 controller
VSP N400, N600 Hardware Reference Guide
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