Skip site navigation (1) Skip section navigation (2)

Re: Hardware/OS recommendations for large databases (

From: William Yu <wyu(at)talisys(dot)com>
To: pgsql-performance(at)postgresql(dot)org
Subject: Re: Hardware/OS recommendations for large databases (
Date: 2005-11-16 14:37:48
Message-ID: dlfg7t$1r3u$1@news.hub.org (view raw or flat)
Thread:
Lists: pgsql-performance
Alex Stapleton wrote:
> Your going to have to factor in the increased failure rate in your  cost 
> measurements, including any downtime or performance degradation  whilst 
> rebuilding parts of your RAID array. It depends on how long  your 
> planning for this system to be operational as well of course.

If we go 32xRAID10, rebuild time should be the same as rebuild time in a 
4xRAID10 system. Only the hard drive that was replaced needs rebuild -- 
not the entire array.

And yes, definitely need a bunch of drives lying around as spares.

In response to

pgsql-performance by date

Next:From: Steve WamplerDate: 2005-11-16 14:38:52
Subject: Re: Hardware/OS recommendations for large databases (
Previous:From: David BorehamDate: 2005-11-16 14:35:23
Subject: Re: Hardware/OS recommendations for large databases (

Privacy Policy | About PostgreSQL
Copyright © 1996-2014 The PostgreSQL Global Development Group