Re: Use of WD20EARS with MDADM

[Mark Knecht <markknecht@gmail.com>]

On Thu, Mar 25, 2010 at 10:01 AM, Asdo <asdo@shiftmail.org> wrote:
> Andrew Dunn wrote:
>>
>> Recently Dell is selling their WD20EARS (2TB) for 90$
>>
>> This being one of the best PPG (Price Per Gigabyte) snatches I have
>> seen, I was considering buying 8 of them for an mdadm array.
>>
>> Has anyone had experience with these drives?
>>
>> Note, they have 4K sectors.
>>
>> Thank you for your kind responses.
>> --
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>
> Might not have ERC / TLER settable, see the other WD drive (WD360GD) here:
> http://forums.storagereview.com/index.php/topic/28333-tler-cctl/
> however only 1 WD drive is listed (WD360GD), no info is there specifically
> on WD20EARS
>
> Good luck
>
> Update that list if you buy it :-)

I'm wondering where the guy in the link you provided got the command:

smartctl -l scterc d:

Assuming a Linux shift to

smartctl -l scterc /dev/sda

I get an error message:

gandalf ~ # smartctl -l scterc /dev/sda
smartctl 5.39.1 2010-01-28 r3054 [x86_64-pc-linux-gnu] (local build)
Copyright (C) 2002-10 by Bruce Allen, http://smartmontools.sourceforge.net

=======> INVALID ARGUMENT TO -l: scterc
=======> VALID ARGUMENTS ARE: error, selftest, selective,
directory[,g|s], background, scttemp[sts|hist], sasphy[,reset],
sataphy[,reset], gplog,N[,RANGE], smartlog,N[,RANGE],
xerror[,N][,error], xselftest[,N][,selftest] <=======

Use smartctl -h to get a usage summary

gandalf ~ #

Google has a few more links of folks using that command, but less than 1 page.


I have 6 WD10EARS drives that I'm going to try out, possibly this
weekend, for the first time. We'll see how it goes. I'm a newbie with
RAID and LVM. My requirements are, for the most part, very modest in
terms of speed and lifetime. The RAID is just for basic backup
protection of other stuff.

Cheers,
Mark
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