[mythtv-users] WD15EARS WD Green drives

David Liana dliana.mythtv at gmail.com
Tue May 24 13:37:38 UTC 2011


On Tue, May 24, 2011 at 9:29 AM, Andre <mythtv-list at dinkum.org.uk> wrote:

>
> On 24 May 2011, at 14:20, Jean-Yves Avenard wrote:
>
> > On 24 May 2011 21:34, Andre <mythtv-list at dinkum.org.uk> wrote:
> >>
> >> Did you do anything about head reloads?
> >
> > No..
> >
> > What's that?
>
> WDXXEARS & other "Green" drives aggressively park their heads to conserve
> power, many believe that this quickly exceeds the head reload design life.
>
> http://forums.anandtech.com/showthread.php?t=2085685
>
> Mine are already showing more reloads than drives I have had for several
> years, I plan to address this next week.
>
> >
> > Only symptoms is that the console got filled with stuff like:
> >
> > [ 2490.288981] ata6.00: status: { DRDY DF ERR }
> > [ 2490.288982] ata6.00: error: { ABRT }
> > [ 2490.292515] ata6.00: failed to enable AA(error_mask=0x1)
> > [ 2490.297067] ata6.00: failed to enable AA(error_mask=0x1)
> > [ 2490.297090] ata6.00: configured for UDMA/133 (device error ignored)
> > [ 2490.297107] ata6: EH complete
> > [ 2490.297400] ata6.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
> > [ 2490.297405] ata6.00: irq_stat 0x40000001
> > [ 2490.297408] ata6.00: failed command: READ DMA
> > [ 2490.297414] ata6.00: cmd c8/00:08:18:00:00/00:00:00:00:00/e0 tag 0
> > dma 4096 in
> > [ 2490.297415]          res 61/04:08:18:00:00/00:00:00:00:00/e0 Emask
> > 0x1 (device error)
> > [ 2490.297418] ata6.00: status: { DRDY DF ERR }
> >
> >
> > And the drive gets removed from my RAID array.
>
> There are a lot of discussions about these drives being unsuitable for use
> in raid arrays due to long timeouts waiting for deep data recovery, TLER
> etc.
>

Isn't this more of an issue on hardware RAID's than software based RAID's?

(Sorry if I haven't been paying attention to OP's set up)
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://www.mythtv.org/pipermail/mythtv-users/attachments/20110524/c59ee11d/attachment.html 


More information about the mythtv-users mailing list