Controller chassis

Virtual Storage Platform E590 and E790 Hardware Reference Guide

Version
93-06-8x
Audience
anonymous
Part Number
MK-97HM85050-05

The controller chassis contains the following components:

  • Controller boards (CTLs, also called DKCs.)
  • Front-end modules (FEMs), also called channel boards (CHBs)
  • Power supply (PS)
    Note: The PSUT power supply has a Titanium efficiency rating.
  • Backup fan module (BKMF)

The CTLs contain the cache memory (CM) and cache flash memory (CFM) for the storage system. The VSP E590 and VSP E790 support up to 768 GiB of cache memory.

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 Use to lock and unlock 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.

Note: When system option mode (SOM) 1097 is set to ON, the WARNING LED does not blink, even if the following failure service information messages (SIMs) are issued: 452xxx, 462xxx, 3077xx, 4100xx, and 410100.

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: https://support.hitachivantara.com/en_us/contact-us.html.

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 Disk drives
Number Item Description
1 Power supply unit Supplies electric power to the controller components.
2 Controllers Controller 1 (bottom) and Controller 2 (Top)
Number Item Description
1 RDY LED On: Normal Operation
2 MAINT LED On: Power supply unit can be replaced.