Re: [Vserver] a bit off topic but good to know if there is a known problem

From: eyck <eyck_at_kuszelas.com>
Date: Tue 06 Mar 2007 - 21:22:39 GMT
Message-ID: <20070306212239.GM16524@ghost.anime.pl>

> note that the 'performance' in many cases is a myth,
> for several reasons, mainly because:
>
> - hardware raid has 2-256MB cache, software has 1-4GB
> - hardware raid has a single channel to the host,
> while proper setup soft raid can burst over N channels
> simultaniously (and will do so, e.g. for separate I/O
> threads)
> - elevator in the kernel, vs limited TCQ
 I believe you are talking about simple SATA controllers, not real
hardware raid setups?

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Received on Tue Mar 6 21:47:28 2007
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