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WD20EARS Safe To Use in RAID?

Sinsear

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Joined
Mar 10, 2010
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Some background info: Western Digital released these new Green hard drives using the 4kb drive sector, dubbed "Advanced Format". All drives up until this point were using a legacy 512 byte hard drive sector. See: http://it.anandtech.com/show/2888

This is relatively unimportant, as my question is pertaining to RAID. Older WD desktop drives (Velociraptor excluded) could not be safely used in RAID because TLER was turned off. A tool called WDTLER, that runs in a DOS PE, enables you to switch on TLER on their desktop drives, enabling you to use them in RAID safely. Their Enterprise RE drives had TLER turned on by default. However, starting about October 2009 to December 2009, WD updated their firmware on all of their desktop drives so that TLER could no longer be enabled.

So, the question is, has anyone had experience with enabling TLER on the new WD20EARS? This drive debuted in January 2010, so presumably, TLER is disabled based on previous trends. However, several reviews on Newegg mentioned that they were using these in RAID arrays, but were they just overlooking the TLER issue or did they actually find a fix?
 
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