current access to file systems

[Sandy Harris]

On 6/19/10, Peng Yu <pengyu.ut at gmail.com> wrote:

>  I'm seeking for a solution in ubuntu to address the concurrent disk
>  access problem that are described below. ...
>
>  I have one machine (8 CPUs and 40GB RAM) ...
> I run a speed test ... (8 process running simultaneously) ...

>  NOTE, in the future I may need to expand the system from just one
>  machine to multiples machines, which all access the same storage
>  space.

I would be looking at a hardware RAID controller. They are not cheap,
but not out of proportion relative to your CPU & RAM costs. Better
reliability which is probably important if many things depend on the
storage. Reduced CPU load, caching, ...