Status of ATA tagging in Stable

[RMH]

Not all IBM DTLA drives are bad; actually, they are not bad at all
(because all bad are already dead :)

DTLA-5 drives (5400rpm) do not support tagged queueing, unlike
DTLA-7 (7200rpm). They offer good performance considering spindle
speed and 512K of cache (in fact, 380K; firmware takes the rest).

About "new drive" and "its slowness", what did you expect from
2-year old drive featuring 20Gb per plate?

---
Regards,
 Rhett

Dag-Erling Smørgrav wrote:
> 
> "Kevin Oberman" <oberman at es.net> writes:
> > I have a P3 system running STABLE built on March 7. I installed a new
> > IBM DTLA disk drive and was distressed at its slowness, so I tried
> > turning on tagging to see if that would help. It seemed to, until...
> 
> The DTLA series is known bad.  Take it back to the dealer and harass
> him into replacing it with a DTTA or newer.
> 
> DES
> --
> Dag-Erling Smørgrav - des at ofug.org
>

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