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June 2009

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Subject:
Re: Updates and long-running user processs
From:
Dr Andrew C Aitchison <[log in to unmask]>
Reply To:
Dr Andrew C Aitchison <[log in to unmask]>
Date:
Wed, 17 Jun 2009 06:30:36 +0100
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On Mon, 15 Jun 2009, Brandon Galbraith wrote:

> Or run your services/calculations in a VM on Xen that you can snapshot,
> upgrade the host, and then bring the VMs back up. There are some things you
> just can't get around (like reboots for core components).

That is worth considering, though managing the memory allocation between
VMs might cause more of a hassle than the gain, especially on the machine
for calculations which need lots of memory (currently 16GB).

Thanks,

-- 
Dr. Andrew C. Aitchison		Computer Officer, DPMMS, Cambridge
[log in to unmask]	http://www.dpmms.cam.ac.uk/~werdna

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