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Date: Fri, 13 Jun 2008 09:08:48 +0200 (CEST)
From: Wojciech Puchar <wojtek@wojtek.tensor.gdynia.pl>
To: FreeBSD Questions <questions@freebsd.org>
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Cc: freebsd-questions@freebsd.org
Subject: Re: Stripe sizes with gstripe
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>> Does gstripe read an entire stripe at a time?  If so, why do that instead 
>> of
>> just reading a few requested blocks?  If not, then is there any advantage
>> to large stripes?
>
> Apparently it won't read anything larger than your stripe size which defaults 
> to a miserable 4k.


depending from what's needed, but unless i need just huge linear transfer, 
i set stripe size to something huge, like 256MB.

then single read is rarely split on 2 disks, while multiple reads have 
good chances to touch different drives