Wow, so much information but nobody to present it. Would one of you
"fountains of knowledge" be willing to give a quick overview at this
Saturday's meeting?

On Thu, 04 Dec 2003, jeffr at odeon.net wrote:

> 
> IIRC, Sistina was working on a project called GFS, and they eventually 
> changed it to a non-open source project.  A group is working from the last 
> open source release of GFS at http://opengfs.sourceforge.net/
> 
> Also, last time I looked (a couple of years ago) GFS/OpenGFS didn't
> support running samba or nfs on the gfs distributed file system.  You may
> want to check with Sistina to see if this has changed for their code base.  
> If it has, and you're looking for a turnkey product, then they may be your
> best option.
> 
> Something else that may be useful is NBD http://www.xss.co.at/linux/NBD/
> 
> The Network Block Device project would let you aggregate the disk space
> from several different systems over a network to a master system, and then
> export all of that storage space via nfs or samba or some other protocol
> to all of your other systems.
> 
> There's also AFS and Coda.
> 
> http://www.unc.edu/atn/dci/dci_components/afs/
> 
> http://www.coda.cs.cmu.edu/
> 
> I've played with nbd a little, but nothing in a production environment.  
> It doesn't provide any sort of data integretity checking like the others 
> do.  You could however do software raid across your nbd providing systems, 
> which would provide at least some redundancy.
> 
> In other words, you'd have for example 4 storage servers, each with some
> form of redundant storage (raid 5 probably, either hardware or software).
> Then, on your master server you build a software raid 5 out of the nbd
> storage servers, losing 1 server's worth of storage but protecting against 
> any one storage server failing.  Of course, your master server is still a 
> single point of failure, as is the network switch for your storage lan.  
> 
> I don't know how any of these solutions perform for day to day usage.
> 
> Jeff
> 
> 
> 
> On Thu, 4 Dec 2003, Brent Friedman wrote:
> 
> > I was asked to look into feasibility for setting up a Linux (or *bsd)
> > based SAN. I know there have been some kernel mods for this kind of
> > stuff, but I don't know their current status, and quick googles show
> > something called netMD at a conference in ottawa, but no website for it.  
> > I used to work at the Utech Center near campus, and I think the people
> > at Sistina were doing something like this.
> > 
> > Because of various development environments, I need the SAN to be
> > reachable from anything (meaning Windoze, AIX, Solaris or other Linux
> > boxen).  I am not very versant in vfs, lvm, etc., but I have the time to
> > deal with a manual.
> > 
> > Any comments on what will/won't work, or suggestions on sites/mailing
> > lists for linux SANs?
> > 
> > Thanks,
> > 
> > Brent Friedman
> > 
> > _______________________________________________
> > TCLUG Mailing List - Minneapolis/St. Paul, Minnesota
> > http://www.mn-linux.org tclug-list at mn-linux.org
> > https://mailman.real-time.com/mailman/listinfo/tclug-list
> > 
> 
> 
> _______________________________________________
> TCLUG Mailing List - Minneapolis/St. Paul, Minnesota
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-- 
Clay Fandre				email: clay at fandre.com
					PGP Key ID: 0x50DBBB60

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