Re: RAID Configuration Sugestion

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От Bruno Wolff III
Тема Re: RAID Configuration Sugestion
Дата
Msg-id 20050830125808.GD22545@wolff.to
обсуждение исходный текст
Ответ на RAID Configuration Sugestion  (Alvaro Nunes Melo <al_nunes@atua.com.br>)
Список pgsql-performance
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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