On Sep 30, 2008, at 19:09, Tim wrote:

> SAS has far greater performance, and if your workload is extremely  
> random,
> will have a longer MTBF.  SATA drives suffer badly on random  
> workloads.

Well, if you can probably afford more SATA drives for the purchase  
price, you can put them in a striped-mirror set up, and that may help  
things. If your disks are cheap you can afford to buy more of them  
(space, heat, and power not withstanding).

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