Hi,
>
> Write cacheing is automatically enabled if tagged queueing is enabled
> and supported by the disk, so I doubt you're seeing any improvement at
> all.
I must admit: My statements are based on experience with SCSI Tagged Queuing
and SCSI Write Cache. I hope I'm correct if I assume that th
> > So: I changed line 186 in sys/dev/ata/ata-disk.c from
> >
> > adp->num_tags = atadev->param->queuelen;
> >
> > to
> >
> > adp->num_tags = 0x10;
> >
> > which is roughly the half of the reported queuelenght (which is 0x1F).
> >
> > And, Terry, I can't avoid to disappoint you... there's abs
> [...]
> Since you have one of these beasts, could you maybe try changing
> the number of tagged command queue entries you permit to be used
> at one time?
Of course, I'll do it as soon as...
1) I'm at home again... ;-)
2) Someone tells me how to achive that. I looked at 'man 8 atacontrol'
a
