ZFS is indeed very useful, I posted some information about it 
with links to the best resources I could find, if case anyone is 
interested in some follow up reading:

http://e-records.chrisprom.com/?p=634

There was a bit of a legal cloud hanging over it at the time I 
wrote this up, and I am not sure if that has been resolved, or 
how the future of the product is affected by the takeover of Sun 
by Oracle.

Chris Prom

---- Original message ----
>Date: Fri, 5 Mar 2010 10:20:02 +0000
>From: Stephen Yearl <[log in to unmask]>  
>Subject: Re: Long term storage of digital records  
>To: [log in to unmask]
>
>On 2010-04-03 15:25, "Joyce Chapman" 
<[log in to unmask]> wrote:
>
>> 3. Checksums! Oh so very very very important.
>
>Indeed!
>
>Many of the standard algorithms have been compromised, 
however, and
>increasing key strength is not necessarily a guarantor of 
security/ arbiter
>of authenticity. As a good first step I'd recommend that you 
talk to your IT
>department about implementing a very robust, self-correcting 
filesystem.
>Sun's ZFS is a good place to start as many of the checks you 
mention are
>built into the file management system.
>
>Best,
>
>St.
> 
>Stephen Yearl
>Library Digital Projects Officer
>Boole Library
>University College Cork
>Ireland
>+353 (0)21 420-5107 (work)
>+353 (0)85 715-3952 (cell/mobile)
>[log in to unmask]@gmail.com
>    
>.

Christopher J. Prom
Assistant University Archivist
University of Illinois Archives
Room 19 Library (MC-522)
1408 W. Gregory Drive
Urbana, IL 61801

web:  	http://www.library.uiuc.edu/ahx/
e-mail: [log in to unmask]
phone:	217 333 0798
fax:	217 333 2868