From: Bruno Wolff III <bruno@wolff.to>
To: Alvaro Nunes Melo <al_nunes@atua.com.br>
Cc: PostgreSQL - Performance <pgsql-performance@postgresql.org>
Subject: Re: RAID Configuration Sugestion
Date: Tue, 30 Aug 2005 07:58:08 -0500
Message-ID: <20050830125808.GD22545@wolff.to> (raw)
In-Reply-To: <431452FD.3090402@atua.com.br>
References: <431452FD.3090402@atua.com.br>
On Tue, Aug 30, 2005 at 09:37:17 -0300,
Alvaro Nunes Melo <al_nunes@atua.com.br> wrote:
>
> The server is a Dual Xeon 3.0 with 2 GB RAM and two SCSI disks. Our main
> doubt is what is the best configuration for the disks. We are thinking
> about use them in a RAID-0 array. Is this the best option? What do you
> suggest on partitioning? Separate partitions for the OS, data and pg_xlog?
You don't have a lot of options with just two disks. What are you trying
to accomplish with raid?
Raid 0 will possibly give you some speed up, while raid 1 will give you some
fault tolerance, some speed of of reads, but cost you half your disk space.
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To: pgsql-performance@postgresql.org
Cc: bruno@wolff.to, al_nunes@atua.com.br
Subject: Re: RAID Configuration Sugestion
In-Reply-To: <20050830125808.GD22545@wolff.to>
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