Re: OT: scsi vs ide: some data

[hanasaki <hanasaki@hanaden.com>]

How many drives can be exercised, at the same time on a SCSI channel, 
before it is saturated?

How many drives can be exercised, at the same time on a IDE channel, 
before it is saturated?

For example, copying files between drives on the same Channel.

Brian Nelson wrote:
> Matt Garman <garman@raw-sewage.net> writes:
>
> [snip]
>
> > These (completely un-rigorous) tests seem to suggest that the
> > performance margin between SCSI and IDE isn't as great as the price
> > margin.  Depending on the feedback I get, I might do some more
> > testing.  Does anyone have any ideas/suggestions/thoughts on how I can
> > achieve some more data?  E.g., other methods, other programs,
> > ...anything that doesn't involve buying stuff :)
>
> Although the IDE/SCSI performance margin has narrowed significantly in
> the past few years, SCSI still has other advantages, such as allowing up
> to 15 devices per channel.  My main workstation has 7 SCSI devices
> which, if they were IDE, would require 4(!) IDE channels.
>
> Performance isn't everything...


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= hanasaki@hanaden.com                                          =
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