----- Original Message ----
> From: Stuart Midgley <[EMAIL PROTECTED]>
> To: Beowulf List <[email protected]>
> Sent: Thursday, September 28, 2006 7:41:17 PM
> Subject: Re: [Beowulf] commercial clusters
>
> actually, their IO requirements are not that great. Certainly the
> systems that I run have far greater io capacity for a much smaller
> cpu count than the seismic machines.
>
I too work for one of those Houston companies and in our cluster
performance absolutely does count. The way it is structured here, we compete
with outside businesses for BU jobs, so we have to perform. I like to use
"bigger-faster-cheaper" as our slogan for production work. And among our
bottlenecks is network and nfs performance. We push nfs so hard we have to
tweak file systems to make it handle the work. Because right behind that job
are tons of more jobs with people waiting get their jobs done so their projects
can move forward.
Our next generation software will absolutely beat the snot out of our
existing storage (and I pride myself on performance). So with another 100TB
coming in the next few months we are always configuring and testing. I have
taken a left turn for a bit to explore how using grid technology to increase
our SLAs, but I will get back to exploring options to make our system more
efficient.
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