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WD Green HDD's in RAID going to sleep?

post #1 of 5
Thread Starter 
Is there a way to prevent my WD Green drives from going to sleep? It takes them about 8-10 seconds to initialize before I can read from them. They are in RAID 0.
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post #2 of 5
Yes its under Control panel - power options - advanced power settings

set hard disk to turn off Never
post #3 of 5
Use the wdidle3 utility in a dos environment to disable head parking on green drives.
http://support.wdc.com/product/download.asp?groupid=609&sid=113&lang=en

If I remembered correctly, the command should be "wdidle3.exe /d"

more info here:
http://community.wdc.com/t5/Desktop/Green-Caviar-High-Load-Cycle-Cout-after-short-operation-time/td-p/15731/page/4
geoff
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geoff
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post #4 of 5
Thread Starter 
OK thanks for the info, my only question now is will I have to break down my RAID array in order to change these settings? I'm afraid I will lose my data.
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New i7 950 build
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i7-950 @ 4.2ghz MSI Big Bang x58  Crossfire Sapphire 7970 OC  6gb HyperX 1600 
Hard DriveHard DriveCoolingOS
C300 64gb , Agility2 90gb, 2x WD greens Raid 0 Samsung 830 series 64gb H100 Windows 7 64bit 
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Crossover 1440p OCZ ZX850W Lian li Pc-x2000f 
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post #5 of 5
i cant see why disabling the power saving mode would delete your data. after all your only changing a basic setting in the HDD controller and not replacing and rebuilding the array smile.gif
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Going to be chaep
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Wife's Rig
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CPUMotherboardGraphicsRAM
i7-3770k Gigabyte GA-Z77X-UP5 TH MSI GTX460 G.Skill TridentX 2400 2 x 4GB 
Hard DriveHard DriveOptical DriveCooling
Plextor M5p 128GB 2 x WD 500GB Blues LG Prolimatech Megahalems Rev C 
CoolingOSMonitorPower
Arctic F12 CO PWM x 2 Push/Pull Windows 7 64 bit Ultimate LG IPS235V Corsair AX850 
Case
Coolermaster HAF 912 advanced (Asia version) 
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I5-3570K Gigabyte Z68X-UD3H-B3 Inno3D Ichill GTX660 8GB G.Skill RipjawsX 1600 
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Samsung 830 128GB WD black 500GB Liteon Coolermaster Hyper 212+ EVO 
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Win 7 ultimate Samsung Syncmaster 932gwe+ OCZ ZT series 550W Coolermaster 410 
CPUMotherboardRAMHard Drive
1.67Ghz Atom stock 1GB DDR2 2 x 500GB Western Digital Cavier Blacks [RAID 1] 
CoolingOSPowerCase
stock DSM3.2 [built on linux] stock stock 
OtherOther
Synology DX510 Expansion unit 5 x 1TB WD Cavier Blacks in a RAID 6 
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