Re: Optimizing disk throughput on quad Opteron

From: Ben Suffolk <ben(at)vanilla(dot)net>
To: John Philips <johnphilips42(at)yahoo(dot)com>
Cc: pgsql-performance(at)postgresql(dot)org
Subject: Re: Optimizing disk throughput on quad Opteron
Date: 2006-10-21 18:17:37
Message-ID: 01E6C1DE-CC0B-4437-93A5-76796BB96483@vanilla.net
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> You can find a diagram of my initial
> spec here:
> http://img266.imageshack.us/img266/9171/dbserverdiagramuc3.jpg
>
> Can you guys see any glaring bottlenecks in my layout?
> Any other suggestions to offer (throw in more
> controllers, different RAID layout, etc.)? Our budget
> limit is $50k.

The thing I would ask is would you not be better with SAS drives?

Since the comments on Dell, and the highlighted issues I have been
looking at HP and the the Smart Array P600 controller with 512 BBWC.
Although I am looking to stick with the 8 internal disks, rather than
use external ones.

The HP Smart Array 50 is the external array for SAS drives. Not
really looked into it much though.

Regards

Ben

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