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Date:      Sat, 24 Apr 1999 02:03:25 +0100
From:      Mark Ovens <markov@globalnet.co.uk>
To:        Greg Lehey <grog@lemis.com>
Cc:        rdkeys@unity.ncsu.edu, "Marcel R. Wingate" <MWingate@cbm-wa.com>, questions@freebsd.org
Subject:   Re: Harddrives & Filesystems
Message-ID:  <19990424020324.B271@marder-1>
In-Reply-To: <19990424101403.C97757@freebie.lemis.com>; from Greg Lehey on Sat, Apr 24, 1999 at 10:14:03AM %2B0930
References:  <B704930A444AD111944F00600892E8A812AF0E@CBM-NT1> <199904222037.QAA19535@cc03du.unity.ncsu.edu> <19990423104344.H91260@freebie.lemis.com> <19990423151014.B253@marder-1> <19990424101403.C97757@freebie.lemis.com>

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On Sat, Apr 24, 1999 at 10:14:03AM +0930, Greg Lehey wrote:
> On Friday, 23 April 1999 at 15:10:14 +0100, Mark Ovens wrote:
> > On Fri, Apr 23, 1999 at 10:43:44AM +0930, Greg Lehey wrote:
> >> On Thursday, 22 April 1999 at 16:37:50 -0400, rdkeys@unity.ncsu.edu wrote:
> >>>>
> >>>> I have 2 Harddrives in my system and would like some input as to how to
> >>>> allocate the file systems (/, /usr, /var, swap, etc)
> >>>>
> >>>> I have a 500Mb IDE Harddrive and a 2GB SCSI harddrive
> >>>> The system is a P90, 32Mb RAM (plan to go to 64Mb soon, so I want to have
> >>>> enough swap).
> >>>
> >>> Usually 1-2x is sufficient for swap, so use 128mb for swap.
> >>
> >> I'd recommend about 256 MB for swap.  In view of the small first disk,
> >> I'd put about 64 MB on the first disk and 192 MB on the second disk.
> >> The ratio of main memory to swap is not so important, but you should
> >> have at least one swap partition slightly larger than main memory so
> >> that you can take crash dumps.
> >
> > What is the benefit of splitting swap between the 2 disks? Why not
> > have one swap slice on one disk?
> 
> Performance.
> 

Can you elaborate.

A while ago I asked your opinion on my proposed setup over 2 disks,
which I've now done: 64MB /, 32MB /var, 256MB swap on the first
disk and the whole 4.5GB of the second disk as /usr, but you didn't
suggest splitting the swap across the 2 disks.

> Greg
> --
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-- 
      FreeBSD - The Power To Serve http://www.freebsd.org
      My Webpage http://www.users.globalnet.co.uk/~markov
_______________________________________________________________
Mark Ovens, CNC Apps Engineer, Radan Computational Ltd. Bath UK
CAD/CAM solutions for Sheetmetal Working Industry
mailto:marko@uk.radan.com                  http://www.radan.com



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