Inc. Program Optimizer Manual

Dolby
®
DP600 Program Optimizer Manual 43
Chapter 3
System Maintenance
ThischapterexplainshowtomaintaintheDolby
®
DP600.Thesectionsthatfollowshow
youhowtodiagnoseandrepairharddrivesandpowersupplies.
3.1 Maintaining the DP600 Hard Drives
TheDP600hasfivephysicalinternalharddrives.Drives1and2arearrangedinaRAID1
configurationtoprovideprotectionfortheoperatingsystemaswellaslocalstorage.The
remainingthreeharddrivesareconfiguredasseparatedrivestoprovidelocalstorage.This
configurationofoneRAIDpair
andthreeseparatedrivesrepresentsfourlogicaldrives.
TherearefourbicolorLEDsonthefrontpanel,labeled
1,2,3,and4.TheseLEDsindicate
thestatusoftheDP600’sfourlogicalinternalharddrives.ThedriveLEDsfunctionas
follows:
•Off(nonilluminated):Indicatesafunctionaldrivewithnocurrentdiskaccessactivity
•Green:Indicatesnormaldriveactivity
•Red:Indicatesadrivefailure.
LED
1 showsthestatusofthe two‐driveRAID1configuration.Theoperatingsystemis
installedonthesemirroreddrivestopreventaphysicaldrivefailure,resultinginan
inoperablesystem.Ifeitherofthemirroreddrivesfails,theotherRAIDdriveenablesthe
systemtooperatenormallyuntilthefaileddrive
isreplaced.
LEDs
2,3,and4indicatethestatusoftheotherthreephysicaldisks.Thesedisksare
configuredasseparatedrivesanddonothaveRAIDbackupcapability.Ifanyofthese
drivesfail,thefaileddrivesmustbe replaced,andany workordersinprogressduringthe
failuremustberestarted.
Ifoneofthe
driveLEDsturnsred,refertoTable 3‐1 todeterminewhichphysicaldrive
failed.Typically ,theDP600automaticallyrebuildstheRAIDarraywhenoneoftheRAID
driveshasaproblemorisreplaced(withthepoweron). DuringtheRAIDrebuild process,
LED1blinksinredinhalf‐
secondintervals.Whentherebuildprocessiscomplete,LED1
stopsblinking.
Insomeinstances,youmustinitiatetherebuildprocess manually(asdescribedin
RebuildingaDriveonpage 49).Forexample,ifyoureplaceanon‐RAIDdrive.
IfyoureplacebothRAIDdrives,youalsoneedtoreinstallthe
DP600software.Insucha
case,followtheinstructionsforacleaninstallationinUpgrading/InstallingtheDP600
Softwareonpage 55.Whenyoureinstallthesoftware,thesystemaut o matically 
synchronizesthetwoRAIDdrives,recreatingtheoriginalmirroredRAIDarray(manual
rebuildnotrequired).
Toreplaceadrive,followtheinstructionsin
ReplacingaDriveonpage 44.