Re: [OFF-TOPIC] - Known maximum size of the - Mailing list pgsql-performance

From Gaetano Mendola
Subject Re: [OFF-TOPIC] - Known maximum size of the
Date
Msg-id 409C1D50.4010602@bigfoot.com
Whole thread Raw
In response to Re: [OFF-TOPIC] - Known maximum size of the  (Don Vaillancourt <donv@webimpact.com>)
List pgsql-performance
Don Vaillancourt wrote:

>
> Here's a question a little off-topic.
>
> What would a 32TB database hardware configuration look like.  I'm
> assuming 200GB hard-drives which would total 160 of them.  Double that
> if you mirror them.
>
> Am I correct?

Why do you have to mirror them ? Usually a SAN make data redundancy
using a RAID 4 or 5, this depend if you need read performances or
write performances, in the case of Red Sherif I guess that guys are
using RAID 50 ( 0 + 5 ) sets so what you "waste" is a disk for each
set.



Regards
Gaetano Mendola





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