Customer Review

76 of 80 people found the following review helpful
1.0 out of 5 stars Damaging Firmware on drive, 30 Sep 2010
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This review is from: Western Digital Caviar 2TB SATAII 64MB Cache 3.5-inch Green Internal Hard Drive OEM (Electronics)
I bought 2 of these together with a ReadyNAS Duo.

Bad Choice, my fault that I did not do enough research on the WD Green Drives.

In just 2 days I had a Load Cycle Count of almost 1000, ridiculously high!
LCC: the number of times the disk heads are parked and unparked. The more often the faster your drive will eventually fail. At 500 LCC/day this will be very very soon with a mean-time-to-failure of about 300,000 thus much sooner than even the warranty.

It turns out that the firmware that WD installs on the drives haan absurd error, it parks the heads after 8 seconds of inactivity ! Unusable in the real world.

There is no firmware update to rectify this and instead one is pointed to a WD utility -WDIDLE3- which is time consuming and impractical for the average computer user - need to open up another computer, connect to SATA drive, create a DOS boot disk, run utility etc. etc.

Why WD did not simply issue a firmware update is beyond me and why it still ships them with this firmware is inexcusable.

Two other issues specific to REadyNAS Duo:

1. WD seems to be shipping drives with 4K byte sectors instead of the old 512bytes. Not a problem but the firmware on the RERadyNAS duo does not handle these new expanded sectors well (unless you want to use a 4.1.7 BETA firmware - in the works for almost 6 months now!) which reduces write performance considerably.

2. The WD drives to not recognize some of the commands from the DUO and thus you end up with a lot of ATA errors when the Duo boots up. Supposedly not much of an issue but you never know since many people have complained about this as a potential performance impediment.

So overall I give this WD drive a 1* due to the unusable firmware and their inexcusable failure to issue a firmware update.

The ReadyNAS issue is only of concern if you use the Duo, the firmware for the other ReadyNAS drives handles 4K sectors - see the ReadyNAS website.

I returned these drives - no complaints about Amazon's Return Procedure - and bought some Hitachi drives.
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Showing 1-2 of 2 posts in this discussion
Initial post: 2 Feb 2011 11:29:27 GMT
i read your comments and looked at WD support site and saw WD utility -WDIDLE3- , but this isnt for this drive.

This utility is designed to upgrade the firmware of the following hard drives: WD1000FYPS-01ZKB0, WD7500AYPS-01ZKB0, WD7501AYPS-01ZKB0.

are the above comments for the (WD20EARS) ?

In reply to an earlier post on 7 Feb 2011 09:55:22 GMT
It says its not for that drive but it does indeed work. I have a friend who bought these drives for an identical NAS, my LLC is 16 and his was 1234. Not sure why WD implemented this, but a quick fix later and the problem goes away..
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