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xaero's avatar
xaero
Guide
Nov 01, 2011

ReadyNAS Ultra 4 with WD10EARX, Clicking noice when idle

Hello!

I recently bought the ReadyNAS Ultra 4 and loaded it up with 4x1TB Western Digital WD10EARX Green. I run the disks in X-raid2 (Raid 5 on 4 disks) and the performance is great.

Now, the “problem” I have encountered is the same as many others have with the Western Digital Green-series. The drives make a clicking sound when they are idle which apparently is caused by the power saving feature Intellipark. (See link)

http://community.wdc.com/t5/Desktop/WD10EARS-makes-quot-clicking-quot-noise-when-idle/td-p/172162

Now, there is a solution, which is to either disable Intellipark or extend the time period before it is activated. Default value is at an aggressive 8 seconds (!).

http://www.ngohq.com/news/19805-critical-design-flaw-found-in-wd-caviar-green-hdds.html

My question now though is how I apply this fix to the disks without tearing down the raid array? Have anyone managed to solve this with the disks still in the ReadyNAS?

Thank you kindly!

2 Replies

  • I just want to clarify that it is indeed the WD10EARX (X, not S) that I am asking for help with.
  • I have now solved this problem with wdidle3.exe disabling the intellipark timer completley. I did however do it the hard way by removing the disks from the NAS, mounting them one at the time in a computer, booting DOS and run wdidle3.exe /D

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