On Thu, Apr 22, 2010 at 5:03 PM, Richard Scobie <richard@xxxxxxxxxxx> wrote: > Mark Knecht wrote: > >> Keep in mind that just because we possibly solve the load cycle count >> problem doesn't mean that the drive will work for RAID. WD has also >> stated that these drives don't have any TLER features. > > I completely agree and wonder if some have unrealistic expectations. > > The WD20EARS is listed as a desktop drive and is cheap - $/GB. > > The RE-GP, (if you need the green features, otherwise RE series), version > WD2002FYPS cost more and has the following extra features over the WD20EARS: > > RAFF - vibration handling > TLER - RAID optimised error handling > An MTBF spec and the comment > > "Each drive is put through extended burn-in testing with thermal cycling to > ensure reliable operation." > > Which presumably helps weed out infant mortality cases. It is also > interesting to note that while all the RE series drives have a spindle > support bearing at both ends, only the 2TB desktop drive does. > > In light of all the above, you get what you pay for and need to adjust > expectations accordingly. > > Regards, > > Richard <hehe!> If drives always worked there wouldn't be much reason for RAID1, would there? ;-) Cheers, Mark -- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
