On Sun, 6 May 2001, Gabriel Ambuehl wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
>
> Hello Charlie,
>
> Sunday, May 06, 2001, 1:53:20 AM, you wrote:
> >> IBM DLTA-307030 Ultra ATA drive (tags/no WC vs. no tags/WC). With
> neither
> >> option, it is terrible, of course.
> > I see the same behaviour on one of those disks, too. But - aren't
> IBM's
> > DTLA-series disks the only IDE drives that support TCQ?
> > [ It's a -very- SCSI-feeling feature, in my mind. ]
>
>
> It was about time this was implemented in IDE disk as this takes them
> nearer to the ridiculously overpriced SCSI stuff. While I've always
> been a lover of IBM drives, this feature is really cool.
>
> Is it on by default if you use DTLA disks or do I need to activate it
> specifically, BTW?
Of course, I should read all of my E-mail before responding. From other
messages on freebsd-stable today: TCQ also turns on a -form- of write
caching, it may not be quite the same as normal, but it still does, and
should probably be considered not-totally safe.
Bah. Sorry.
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