Controller chassis

Virtual Storage Platform One Block 20 Hardware Guide

Version
A3-03-2x
Audience
anonymous
Part Number
MK-23VSP1B007-04

The controller chassis (or DKC) contains the following components:

  • Controller boards (or CTLs)

    The controller boards contain the cache memory (CM) and cache flash memory (CFM) for the storage system.

  • Front-end modules (or CHBs)
  • Back-end modules (or DKBs)
  • Power supply units (PSs)
    Note: The power supply units are certificated 80 PLUS TITANIUM.
  • Battery backup modules (BKMs)
  • Drives

The following figures show the front and back of the controller chassis.

Controller chassis front with bezel



Number Item Description
1 LED (POWER, READY, WARNING, ALARM) Status LEDs for the controller chassis.
2 POWER ON/OFF (main switch) Switch that controls power to the storage system.
3 Lock Locks and unlocks the front bezel.
Number Item Description
1 POWER LED Green: Storage system is powered on.

Amber: Storage system is receiving power.

2 READY LED Green: Normal operation.
3 WARNING LED Off: Normal operation.

Amber: Component requires maintenance.

Blink: Failure requires maintenance.

LED might turn off during user maintenance.

4 ALARM LED Off: Normal operation.

Red: Processor failure (system might be down). For assistance, contact customer support.

Controller chassis front without bezel

Number Item Description
1 LED (POWER, READY, WARNING, ALARM) Status LEDs for the controller chassis.
2 ALM LED Red: Drives can be replaced.
3 ACT LED Green: Normal operation.

Green Blinking: The drive is being accessed.

4 Drives Data drives

Controller chassis rear



Number Item Description
1 Power supply units Supply power to the controller components.
2 Controllers Controller 1 (bottom) and controller 2 (top)

Controller chassis power supply

Number Item Description
1 RDY LED On: Normal Operation
2 MAINT LED On: Power supply unit can be replaced.