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Date:      Sat, 29 May 1999 21:35:39 +0300
From:      Vallo Kallaste <vallo@matti.ee>
To:        Ludwig Pummer <ludwigp@bigfoot.com>
Cc:        FreeBSD Mailing List <questions@FreeBSD.ORG>
Subject:   Re: vimum striping vs concatenating.
Message-ID:  <19990529213539.A20306@myhakas.matti.ee>
In-Reply-To: <3750135A.2FF4226A@bigfoot.com>; from Ludwig Pummer on Sat, May 29, 1999 at 09:18:34AM -0700
References:  <000901bea9e8$50fcbc80$0200000a@shithead.weeble.dyndns.org> <3750135A.2FF4226A@bigfoot.com>

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On Sat, May 29, 1999 at 09:18:34AM -0700, Ludwig Pummer <ludwigp@bigfoot.com> wrote:

> > Does this make sense?  Is it even worth the bother, or would I be better
> > off just concatenating the 3 drives and have one huge /usr or /usr/local?
> 
> Well, unless speed is really critical, concatenating the drives should
> give you enough of a speed boost. The ffs file system (man 5 fs) tries
> to spread files around on a disk anyways, in order to improve speed and
> decrease FAT file system-style fragmentation. If you combine your disks
> using concatenation, FreeBSD will probably distribute files among the 3
> disks pretty evenly.

You seem to know this topic well, so I have question how this spreading 
is done. I haven't not quite got the point yet what to mean about 
cylinder groups and so on.
-- 

Vallo Kallaste
vallo@matti.ee


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