Re: Lower HD transfer rate with NCQ enabled?

[Mark Lord]

Phillip Susi wrote:
> Mark Lord wrote:
> > This is mostly a problem with the WD Raptor drive, and some other WD 
> > drives.
> > I have not yet encountered/noticed the problem with other brands.
>
> Sounds like this is a serious bug in the WD firmware.

For personal systems, yes.  For servers, probably not a bug.

Disabling readahead means faster execution queued commands,
since it doesn't have to "linger" and do unwanted read-ahead.
So this bug is a "feature" for random access servers.
And a big nuisance for everything else.

Cheers
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