Re: More tales of horror from the linux (HW) raid crypt

[Ming Zhang <mingz@ele.uri.edu>]

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On Wed, 2005-06-22 at 17:14 -0700, bdameron@pivotlink.com wrote:
> Quoting Ming Zhang <mingz@ele.uri.edu>:
> 
> > will this 24 port card itself will be a bottleneck?
> > 
> > ming
> 
> Since the card is PCI-X the only bottleneck on it might be the Processor since 
> it is shared with all 24 ports. But I do not know for sure without testing it. 
> I personally am going to stick with the new 16 port version. Which is a PCI-
> Express card and has twice the CPU power. Since there are so many spindles it 
> should be pretty darn fast. And remember that even tho the drives are 150MBps 
> they realistically only do about 25-30MBps. 

the problem here is taht each HD can stably deliver 25-30MBps while the
PCI-x will not arrive that high if have 16 or 24 ports. i do not have a
chance to try out though. those bus at most arrive 70-80% the claimed
peak # :P



> 
> Brad Dameron
> SeaTab Software
> www.seatab.com 
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