Re: x86_64 aacraid help

From: Tim Schmielau
Date: Mon Oct 20 2003 - 20:26:58 EST


> It's an Adaptec 2200S, with 5 U320 drives connected (seperate channels
> 3/2). Each drive seems to read ~70MB/s on it's own, both through the
> aacraid driver and through the onboard fusion mpt controller. Using
> hardware raid 10 with aacraid reads ~100MB/s, it seems to go no faster -
> regardless of raid levels. However with software raid, I can nearly
> double that (half on aacraid, half onboard) I am not able to test it with
> all drives using the onboard controller with software raid due to lack of
> cables and not wanting to destroy the boot drive.
>
> I am wondering if there is a magical go faster button that I'm missing?

Maybe you just max out PCI Bandwith?

Tim
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