Re: Use of WD20EARS with MDADM

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From: Richard Scobie
Date: Thursday, April 22, 2010 - 5:03 pm

Mark Knecht wrote:


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

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Messages in current thread:
Use of WD20EARS with MDADM, Andrew Dunn, (Thu Mar 25, 9:20 am)
Re: Use of WD20EARS with MDADM, Asdo, (Thu Mar 25, 10:01 am)
Re: Use of WD20EARS with MDADM, David Lethe, (Thu Mar 25, 10:10 am)
Re: Use of WD20EARS with MDADM, Asdo, (Thu Mar 25, 10:45 am)
Re: Use of WD20EARS with MDADM, Mark Knecht, (Thu Mar 25, 10:58 am)
Re: Use of WD20EARS with MDADM, John Robinson, (Thu Mar 25, 1:23 pm)
Re: Use of WD20EARS with MDADM, Asdo, (Fri Mar 26, 3:45 am)
Re: Use of WD20EARS with MDADM, Peter Kieser, (Fri Mar 26, 1:27 pm)
Re: Use of WD20EARS with MDADM, Mark Knecht, (Fri Mar 26, 1:59 pm)
Re: Use of WD20EARS with MDADM, Peter Kieser, (Fri Mar 26, 2:01 pm)
Re: Use of WD20EARS with MDADM, Mark Knecht, (Fri Mar 26, 2:06 pm)
Re: Use of WD20EARS with MDADM, Mark Knecht, (Fri Mar 26, 2:16 pm)
Re: Use of WD20EARS with MDADM, Richard Scobie, (Fri Mar 26, 2:19 pm)
Re: Use of WD20EARS with MDADM, Matt Garman, (Fri Mar 26, 2:45 pm)
Re: Use of WD20EARS with MDADM, Mark Knecht, (Fri Mar 26, 3:38 pm)
Re: Use of WD20EARS with MDADM, Peter Kieser, (Fri Mar 26, 3:47 pm)
Re: Use of WD20EARS with MDADM, Matt Garman, (Fri Mar 26, 3:50 pm)
Re: Use of WD20EARS with MDADM, Peter Kieser, (Fri Mar 26, 3:51 pm)
Re: Use of WD20EARS with MDADM, David Rees, (Fri Mar 26, 4:01 pm)
Re: Use of WD20EARS with MDADM, Mark Knecht, (Sat Mar 27, 4:31 pm)
Re: Use of WD20EARS with MDADM, Stefan *St0fF* Huebner, (Sun Mar 28, 9:19 am)
WD20EARS data, Stefan /*St0fF*/ Hübner, (Mon Mar 29, 9:59 am)
Re: WD20EARS data, Stefan /*St0fF*/ Hübner, (Mon Mar 29, 10:13 am)
Re: Use of WD20EARS with MDADM, Bill Davidsen, (Wed Apr 14, 12:53 pm)
Re: Use of WD20EARS with MDADM, Phillip Susi, (Mon Apr 19, 7:17 am)
Re: Use of WD20EARS with MDADM, Bill Davidsen, (Wed Apr 21, 6:20 am)
Re: Use of WD20EARS with MDADM, Tim Small, (Wed Apr 21, 6:45 am)
Re: Use of WD20EARS with MDADM, Mikael Abrahamsson, (Wed Apr 21, 7:32 am)
Re: Use of WD20EARS with MDADM, Phillip Susi, (Wed Apr 21, 8:14 am)
Re: Use of WD20EARS with MDADM, Simon Matthews, (Wed Apr 21, 8:52 am)
Re: Use of WD20EARS with MDADM, Bill Davidsen, (Wed Apr 21, 9:42 am)
Re: Use of WD20EARS with MDADM, Mark Knecht, (Wed Apr 21, 10:36 am)
Re: Use of WD20EARS with MDADM, Tim Small, (Wed Apr 21, 11:40 am)
Re: Use of WD20EARS with MDADM, Mark Knecht, (Wed Apr 21, 12:01 pm)
Re: Use of WD20EARS with MDADM, Richard Scobie, (Wed Apr 21, 12:24 pm)
Re: Use of WD20EARS with MDADM, Clinton Lee Taylor, (Wed Apr 21, 12:31 pm)
Re: Use of WD20EARS with MDADM, Phillip Susi, (Wed Apr 21, 12:33 pm)
Re: Use of WD20EARS with MDADM, Mark Knecht, (Wed Apr 21, 1:36 pm)
Re: Use of WD20EARS with MDADM, Berkey B Walker, (Wed Apr 21, 2:58 pm)
Re: Use of WD20EARS with MDADM, Steven Haigh, (Wed Apr 21, 5:51 pm)
wdidle3, Tim Small, (Thu Apr 22, 4:40 am)
Re: Use of WD20EARS with MDADM, Khelben Blackstaff, (Thu Apr 22, 9:13 am)
Re: Use of WD20EARS with MDADM, Simon Matthews, (Thu Apr 22, 11:16 am)
Re: Use of WD20EARS with MDADM, Phillip Susi, (Thu Apr 22, 12:44 pm)
Re: Use of WD20EARS with MDADM, Mark Knecht, (Thu Apr 22, 4:23 pm)
Re: Use of WD20EARS with MDADM, Richard Scobie, (Thu Apr 22, 5:03 pm)
Re: Use of WD20EARS with MDADM, Mark Knecht, (Thu Apr 22, 6:29 pm)
Re: Use of WD20EARS with MDADM, Phillip Susi, (Thu Apr 22, 8:44 pm)
Re: Use of WD20EARS with MDADM, Phillip Susi, (Thu Apr 22, 8:49 pm)
Re: Use of WD20EARS with MDADM, Bill Davidsen, (Sun May 2, 3:33 pm)
Re: Use of WD20EARS with MDADM, Berkey B Walker, (Sun May 2, 5:08 pm)
Re: Use of WD20EARS with MDADM, Tim Small, (Wed May 12, 6:06 am)