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Data Bases > Pgsql Admin > Re: Recommended...
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Re: Recommended RAID for Postgres

by michael.monnerie@[EMAIL PROTECTED] (Michael Monnerie) Jun 30, 2008 at 05:40 PM

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On Montag, 30. Juni 2008 Thomas Br=E4utigam wrote:
> Why avoid RAID5?

RAID5 has very poor WRITE performance compared to RAID10, while READ is=20
nearly the same speed.

If you do not have a "branded" server like HP or IBM, I can recommend=20
the Areca RAID controllers http://www.areca.com.tw/
their driver is=20
included in Linux kernel, and they are pretty damn fast. Change the=20
onboard RAM to 2GB, with the SAS 16 or 24 ****t controller this is the=20
way to have fun.

On their website is also benchmarks about different RAID levels, so you=20
can compare them.

mfg zmi
=2D-=20
// Michael Monnerie, Ing.BSc    -----      http://it-management.at
// Tel: 0660 / 415 65 31                      .network.your.ideas.
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| gpg --im****t"
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 6 Posts in Topic:
Recommended RAID for Postgres
thomas.braeutigam@[EMAIL   2008-06-30 14:30:23 
Re: Recommended RAID for Postgres
postgresql@[EMAIL PROTECT  2008-06-30 14:52:31 
Re: Recommended RAID for Postgres
thomas.braeutigam@[EMAIL   2008-06-30 15:15:34 
Re: Recommended RAID for Postgres
postgresql@[EMAIL PROTECT  2008-06-30 15:35:42 
Re: Recommended RAID for Postgres
michael.monnerie@[EMAIL P  2008-06-30 17:40:54 
Re: Recommended RAID for Postgres
mpartio@[EMAIL PROTECTED]  2008-07-07 11:28:28 

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tan12V112 Tue Oct 14 6:25:58 CDT 2008.