[Beowulf] Acceptable rad limits for cluster rooms?

Vincent Diepeveen diep at xs4all.nl
Mon Jun 19 07:48:12 PDT 2006


Impact of radiation is not so easy to test.
Especially not at the sysadmins working there.

The standards that governments use, are basically based upon
an amount that cause a 'clearly measurable biological damage'.

In reality you want to keep factors far away from those limits.

Vincent

----- Original Message ----- 
From: "Greg Lindahl" <greg.lindahl at qlogic.com>
To: <beowulf at beowulf.org>
Sent: Monday, June 19, 2006 3:58 AM
Subject: Re: [Beowulf] Acceptable rad limits for cluster rooms?


> On Fri, Jun 16, 2006 at 03:21:56PM -0600, Brian Oborn wrote:
>
>> The cluster for our Physics department is next to a room that, at the
>> time of installation, was an empty accelerator hall.
>
> I'd test it. If you can find the count of single-bit upsets, even one
> machine for a week or two will give you plenty of confidence in
> the number of 2-bit errors for a cluster.
>
> -- greg
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