Hans
Gerard Roudier wrote:
>
> On Sun, 5 Jul 1998, Gerard Roudier wrote:
>
> > For your infos, I have noticed that recent SCSI hard disks with
> > fast firmware used on a low-latency SCSI subsystem and high
> > bandwitch BUS are able to deliver max read sustaint data
> > rate when actual IO chunks are 4KB.
>
> Sorry, but I did miscalculate something. 8KB seems to be a more
> accurate value. But the old Atlas II really needs only 4K IO
> chunk.
>
> Results looks like the following:
>
> Atlas II DDRS DGVS (sent to me by Marc SHAEFER)
> 4KB 9.5 MB/s 7.2 MB/s 9.0 MB/s
> 8KB 9.6 MB/s 12.2 MB/s ?? (about 17 MB/s sustaint)
>
> Sorry for the wrong infos.
>
> Gerard.
>
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