Adaptec 1542B - AHA Storage Controller Fast SCSI 10 MBps Spezifikationen PDF herunterladen (Seite 27)

Interpreting Status LEDs

DPU LED States when Starting as Standalone or Backup DPU

While the DPU is being restarted, the State Led moves through various color

cycles as it goes to a Standalone state or Redundant Configuration state with

or without a working backup DPU. Use the following table for an

understanding of the state transitions.

DPU STATES Active DPU State / LED

(Key Switch in Run Position)

Inactive DPU State / LED

(Key Switch in Run Position)

Standalone DPUs State = SA

LED = Solid Green

State = ASA

LED = Solid Yellow

Standalone DPUs Commanded to Go

Redundant

State = FSB

LED = Blinks Green to Black

State = EDB

LED = Blinks Red to black

Backup DPUs with Backup Warming Up State = WSB

LED = Blinks Green to Red

State = SBWU

LED = Blinks Yellow to Red

Backup DPUs with Backup as Hot Standby State = HSB

LED = Blinks Green to Yellow

State = SBH

LED = Blinks Yellow to Black

Backup DPUs with Failed Standby State = FSB

LED = Blinks Green to Black

State = Dead / Indeterminate since

Failed

IOM Health – RED

CP Health LED = Frozen

Backup DPUs with Failed Active State = Dead / Indeterminate since

Failed

IOM Health – RED

CP Health LED = Frozen

State = Transitions from SBH to FSB

and becomes Active DPU

LED = Blinks Green to Black

Backup DPUs Commanded to Go

Standalone

State = SA

LED = Solid Green

State = SBH to ASA

LED = Blink Red to Black (EDB)

then to Solid Yellow (ASA)

Key to abbreviations

SA = Standalone

ASA = Alternate Standalone

WSB = Warming Stand By

SBWU = Stand By Warming Up

HSB = Hot Stand By

SBH = Stand By Hot

EDB = Emptying DB

FSB = Failed Stand By

LED Indications during Shut Down and Restart

If the DPU is shut down by either a soft reset or removal of the 24VDC input

power, it will attempt to save its database in non-volatile memory (flash).

The CP LED will turn yellow to indicate this. When the database save has

finished, the CP LED will turn red. After the database has been saved, the

DPU will restart if it still has 24VDC input power. Otherwise, it will shut off.

Metso Automation MAX Controls Inc. • 278590 •

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Adaptec 1542B - AHA Storage Controller Fast SCSI 10 MBps Spezifikationen Seite 27

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