Cache-FS sounds interesting.  I'll have to check it out.  

 --- 
Wayne Johnson,                         | There are two kinds of people: Those 
3943 Penn Ave. N.          | who say to God, "Thy will be done," 
Minneapolis, MN 55412-1908 | and those to whom God says, "All right, 
(612) 522-7003                         | then,  have it your way." --C.S. Lewis





________________________________
From: Florin Iucha <florin at iucha.net>
To: TCLUG Mailing List <tclug-list at mn-linux.org>
Sent: Fri, March 12, 2010 11:56:49 AM
Subject: Re: [tclug-list] GFS over a WAN

On Fri, Mar 12, 2010 at 08:29:18AM -0800, Wayne Johnson wrote:
> I was wondering if there was a way to create a common file system between both sites (here in MN and TX).  GFS sounds like it might work, but I have not found anyone who claims to have done this on Google.  I remember there use to be AFS which worked in a similar fashion.
> 
> Guess I'm hoping to set something up where files will exist on both networks.  When a file is opened, the network compares the local and remote file systems and the newest version is used.  If the remote is the newest, it's transferred to the local as it is used so the local cache is updated and the next use will be entirely local.  Am I dreaming?

Another thing to try is Cache-FS as a front-end to NFS.  A guy from
RedHat did most of the work and they finally got it in mainline a few
releases ago, but it should be in Centos/RedHat already as they were
claiming the customers wanted it.

So, you just dedicate a large partition on the remote site as a cache
and then mount NFS through it.  I'm not sure what kind of latency
you'll get, but the speed of light is what it is.

Cheers,
florin

-- 
Bruce Schneier expects the Spanish Inquisition.
      http://geekz.co.uk/schneierfacts/fact/163


__________________________________________________
Do You Yahoo!?
Tired of spam?  Yahoo! Mail has the best spam protection around 
http://mail.yahoo.com 
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://mailman.mn-linux.org/pipermail/tclug-list/attachments/20100312/1a27e63b/attachment.htm