Re: scsi vs ide performance on fsync's

Jens Axboe
2001-03-09T11:52:42Z

On Fri, Mar 09 2001, Matthias Urlichs wrote:
> Matthias Urlichs:
> > On Wed, Mar 07 2001, Stephen C. Tweedie wrote:
> > > SCSI certainly lets us do both of these operations independently. IDE
> > > has the sync/flush command afaik, but I'm not sure whether the IDE
> > > tagged command stuff has the equivalent of SCSI's ordered tag bits.
> > > Andre?
> >
> > IDE has no concept of ordered tags...
> >
> But most disks these days support IDE-SCSI, and SCSI does have ordered
> tags, so...

Any proof to back this up? To my knowledge, only some WDC ATA disks
can be ATAPI driven.

--
Jens Axboe