linux-kernel - Re: Western Digital GreenPower drives and Linux

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Message-Id: <256077993@web.de>
Date:	Sun, 27 Apr 2008 19:45:07 +0200
From:	devzero@....de
To:	linux-kernel@...r.kernel.org
Cc:	jengelh@...putergmbh.de, lkml@....ca, tvrtko@...ulin.net
Subject: Re: Western Digital GreenPower drives and Linux

on a second system , my wd drive shows this values:

  9 Power_On_Hours          0x0032   099   099   000    Old_age   Always       -       853
193 Load_Cycle_Count        0x0032   170   170   000    Old_age   Always       -       90960

absolutely scary.....

meanwhile, i got wdidle3 from WD support and set it to 25secs (factory support seems to be at 8 secs) - but still waiting for an answer if this is a bug or not. 

i`m really wondering why support is so quiet here....
anybody got a response from support about this? 

will take a look how the drive behaves with windows......maybe things look different there.

List:       linux-kernel
Subject:    Re: Western Digital GreenPower drives and Linux
From:       "Tvrtko A. Ursulin" <tvrtko () ursulin ! net>
Date:       2008-04-16 19:46:33
Message-ID: 200804162046.33245.tvrtko () ursulin ! net
[Download message RAW]

On Wednesday 16 April 2008 12:40:14 Helge Hafting wrote:
> Tvrtko A. Ursulin wrote:
> > 9 Power_On_Hours       0x0032 100 100 000 Old_age Always  - 66
> > 193 Load_Cycle_Count 0x0032 197 197 000 Old_age  Always  - 10233
> >
> > At this rate the disk would reach it's design limit for load/unload
> > cycles in around 80 days. Not good - so I implemented a lame workaround
> > of keeping disk busy every couple of seconds - hopefully that won't kill
> > it sooner that unloads would..
>
> Yuck, how stupid!
> But the solution is simple. Make sure to get a warranty of much more
> than 80 days. Use RAID-1 (or backup often).
> Just let those disks destroy themselves (they _are_ faulty) and
> get new ones all the time.  As long as they make them this stupid, you
> won't have to buy new disks again. Free warranty replacements forever.

:) I am not so enthusiastic about fiddling with my NAS box every couple of 
months.

> To be a bit more constructive, tell them about this strategy. Perhaps
> they get
> busy fixing the firmware?

I have suggested exactly what you say - unfortunately the conversation has 
gone cold since. Maybe they are busy already. :)

Tvrtko

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