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From: Gábriel Ákos <akos.gabriel@i-logic.hu>
To: Francisco Reyes <lists@stringsutils.com>
Cc: Michael Stone <mstone+postgres@mathom.us>
Cc: pgsql-performance@postgresql.org
Subject: Re: Inserts optimization?
Date: Sat, 15 Apr 2006 10:35:41 +0200
Message-ID: <4440B05D.8070002@i-logic.hu> (raw)
In-Reply-To: <cone.1145045358.517551.283.5001@35st-server.simplicato.com>
References: <cone.1144888738.434948.92126.5001@35st-server.simplicato.com>
	<443DA715.4060606@gmail.com>
	<9549.1144903344@sss.pgh.pa.us>
	<cone.1144954763.735087.95544.5001@35st-server.simplicato.com>
	<20060414055923.GX49405@pervasive.com>
	<cone.1145014225.784898.23930.1000@zoraida.natserv.net>
	<20060414114911.GG32678@mathom.us>
	<cone.1145037716.354055.283.5001@35st-server.simplicato.com>
	<20060414190620.GH32678@mathom.us>
	<cone.1145045358.517551.283.5001@35st-server.simplicato.com>

Francisco Reyes wrote:
> Michael Stone writes:
> 
>> I still don't follow that. Why would the RAID level matter? IOW, are 
>> you actually wanting 2 spares, or are you just stick with that because 
>> you need a factor of two disks for your mirrors?
> 
> RAID 10 needs pairs.. so we can either have no spares or 2 spares.

hm, interesting. I have recently set up a HP machine with smartarray 6i 
controller, and it is able to handle 4 disks in raid10 plus 1 as spare.
with some scripting you can even use linux software raid in the same setup.

-- 
Üdvözlettel,
Gábriel Ákos
-=E-Mail :akos.gabriel@i-logic.hu|Web:  http://www.i-logic.hu=-
-=Tel/fax:+3612367353            |Mobil:+36209278894            =-

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