RAID 5 solutions?

Jonathan Belson jon at
Mon Nov 25 15:30:47 GMT 2002

Pete French wrote:
> I've been using the Compaq controllers and consider them to be
> excellent. Started with SMART-2SL and have subsequently used
> 3200 and currently a 4200 all with extremely good results. The
> cards are suppoerted using the ida driver in FreeBSD. Performance

I don't seem to have a man page for ida, should I have?

> is good, (though I am getting some puzzling benchmark results
> currently - see -STABLE for details) and the controllers are
> readily available, plus all backwrd compatible.

Sounds cool.  Do you know any online retailers who carry this range?

> I'm biased - I think SCSI is always a better bet for all the usual
> reasons. In RAID-5 applications though, the bus bandwidth is a much
> bigger isssue than anywhere else, as you are potentially making
> four disc accesses for each write. Thus the faster speed of
> the SCSI bus is a significant advantage in this case.
> -bat. [does anyone make RAID-5 IDE controllers ?]

Sure. For some reviews look at


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