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Re: selected debian questions: raid & performance tips





--- On Wed, 1/27/10, Johannes Wiedersich <johannes@physik.blm.tu-muenchen.de> wrote:

From: Johannes Wiedersich <johannes@physik.blm.tu-muenchen.de>
Subject: Re: selected debian questions: raid & performance tips
To: debian-user@lists.debian.org
Date: Wednesday, January 27, 2010, 11:59 PM

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Dino Vliet wrote:
> Questions
>
> 1) Can you show me the definitive debian lenny guide to create a
> software RAID-1 array from within the debian installer (I searched
> with google but wasn't that sucessfull and the manual is brief) The
> OS and data will be on the same disks as I don't have a spare OS
> disks only.

The "Debian GNU/Linux Installation Guide" [1] has always been sufficient
for my needs. You should get help from reading the section about
partitioning.

[1] http://www.debian.org/releases/stable/i386/ch06s03.html.en#di-partition

> 2) What OS tweaks do you advice, with my current setup plan (custom
> kernel, setting values, other filesystems like ext2)?

None. You should be essentially fine with ext3 and the debian kernel for
your demonstration purposes. You might get a better performance by
tweaking, but for a proof of concept, I'd think that is overkill. YMMV.

- --
Johannes

Three nations have not officially adopted the International System
of Units as their primary or sole system of measurement: Burma,
Liberia, and the United States.

http://en.wikipedia.org/wiki/Si_units
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Thanks!!
 
This was exactly what I need.
 
Are you sureb about ext3 though? I thought that ext2 would give better results on postgresql because I have raid and the database is ACID compliant.
 
Dino


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