linux-kernel - Re: Hardware vs. Software Raid Speed

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Message-ID: <ecib2i$1ip$2@sea.gmane.org>
Date:	Wed, 23 Aug 2006 21:42:10 +0200
From:	Mario 'BitKoenig' Holbe <Mario.Holbe@...Ilmenau.DE>
To:	linux-kernel@...r.kernel.org
Subject:  Re: Hardware vs. Software Raid Speed

Tejun Heo <htejun@...il.com> wrote:
> And, yeah, they're all software RAID.  Also, there isn't much to be 
> gained from making RAID0/1 hardware.  The software overhead isn't that 

The CPU cycles in fact don't usually matter. The I/O overhead (on the
PCI bus) due to multiple transfers of the (more or less) same data is
typically more interesting.

regards
   Mario
-- 
The secret that the NSA could read the Iranian secrets was more
important than any specific Iranian secrets that the NSA could
read.                           -- Bruce Schneier

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