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From: Scott Marlowe <smarlowe@g2switchworks.com>
To: Francisco Reyes <lists@stringsutils.com>
Cc: Michael Stone <mstone+postgres@mathom.us>
Cc: pgsql-performance@postgresql.org
Subject: Re: Inserts optimization?
Date: Fri, 14 Apr 2006 15:15:33 -0500
Message-ID: <1145045732.23538.86.camel@state.g2switchworks.com> (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>

On Fri, 2006-04-14 at 15:09, 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.

Spares are placed in service one at a time.  You don't need 2 spares for
RAID 10, trust me.




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