Re: IDE and hot-swap disk caddies

Itai Nahshon
2002-03-28T00:02:14Z

On Thursday 28 March 2002 00:51 am, Alan Cox wrote:
> > I have seen USB mass storage devices with ide connector on them, so it
> > is certainly possible to translate between scsi and ide. If it makes
> > sense from performance standpoint.... I don't know.

I have one of these. The performance that I get is really poor and there
are some quirks but it is still useful. I will be _very happy_ when I will be
able to use it for system installation/upgrade (which did not happen yet).

>
> SCSI->IDE command translation isnt too hard providing you stick to simple
> stuff and blindly ignore things like ATAPI, SMART, and all the control
> stuff. The moment you get into the complex stuff its deeply unfunny.
>

What are the prospects of seeing SCSI and IDE code (and internal
programming interface) unified? How much can be unified until
performace considerations and code complexity mandates a separation?

-- Itai