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WD20 EFRX: Claim To Fame?
I recently RMA'd one of the Western Digital 2-TB drives that had spent some time in my Ultra-6. Can't recall the model number, but I'm pretty sure it was one of the "Caviar Green" drives.
Instead of the original drive model, WD returned a "WD20EFRX", whose label seems to claim some sort of special suitability ("NAS Aware").
It's in the HCL, so just on GPs, I swapped it in for a Barracuda LP ST32000542AS - and the box is rebuilding it's array as I write this.
HCL says a property called "Rotational Vibration Safeguard" is present for the new WD and absent from the Barracuda.
I'm guessing that "Rotational Vibration Safeguard" is a good thing.... (?)
Tom's Hardware says they're something between "Desktop" quality and "Nearline" (whatever that is....) quality: http://tinyurl.com/bgbr2rf
Can anybody comment?
Instead of the original drive model, WD returned a "WD20EFRX", whose label seems to claim some sort of special suitability ("NAS Aware").
It's in the HCL, so just on GPs, I swapped it in for a Barracuda LP ST32000542AS - and the box is rebuilding it's array as I write this.
HCL says a property called "Rotational Vibration Safeguard" is present for the new WD and absent from the Barracuda.
I'm guessing that "Rotational Vibration Safeguard" is a good thing.... (?)
Tom's Hardware says they're something between "Desktop" quality and "Nearline" (whatever that is....) quality: http://tinyurl.com/bgbr2rf
Can anybody comment?
3 Replies
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- You received a WDC "RED" drive. I have several, so far all are working well.
They have longer warranty than green drives, and are tuned for NAS applications. No need for wdidle3, etc. They are also certified for ReadyNAS use by both Netgear and WDC, which eliminates some major support challenges.
Rotational Vibration Safeguard is a good thing - you can see a whitepaper here: http://www.hgst.com/tech/techlib.nsf/te ... 5March.pdf However, the HCL comment is incorrect. The RED drives don't have RVS, they do have a "3D Active Balance Plus" feature that WDC claims reduces vibration. RVS is usually only found in enterprise-class drives, which are quite a bit more money than the REDs.
Anyway, I think you got an ideal replacement drive, with the caveat that it is refurbished. StephenB wrote: Anyway, I think you got an ideal replacement drive, with the caveat that it is refurbished.
Do they somehow manage to reset the SMART data when they refurb a drive? This one's "Power On Hours" is only 18 - consistent with my swapping it in about 18 hours ago...- Manufacturers reset SMART stats as part of their refurbishing.
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