Messages in this thread | | | Date | Wed, 27 Mar 2002 16:11:13 -0800 (PST) | From | Andre Hedrick <> | Subject | Re: IDE and hot-swap disk caddies |
| |
On Thu, 28 Mar 2002, Itai Nahshon wrote:
> 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?
Very easy if several issues are fixed, and that is the stumbling point. I would require strict compliance to the standards, faking all the missing parts of each transport layer, and abstraction of the all capabilties to a comman caller/interface.
Oh and make every transport protocol support their own error recovery.
Cheers,
Andre Hedrick LAD Storage Consulting Group
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |