[Samba] Ideas for distributed Samba servers
ravi.channavajhala at dciera.com
Sun Apr 11 09:03:14 MDT 2010
WAFS (Wide Area File System) appliances can be very well deployed for this
sort of thing precisely. Unfortunately, I don't know of any opensource
project for WAFS. However, commercial solutions such as Riverbed, Expand
Networks, CISCO/WAFS, Juniper/Peribit do exist.
DCiEra (P) Ltd
From: samba-bounces at lists.samba.org [mailto:samba-bounces at lists.samba.org]
On Behalf Of Adam Tauno Williams
Sent: Sunday, April 11, 2010 8:15 PM
To: samba at lists.samba.org
Subject: Re: [Samba] Ideas for distributed Samba servers
On Sat, 2010-04-10 at 10:14 -0700, Eric Shubert wrote:
> Robert LeBlanc wrote:
> > I'm trying to think about how to setup a Samba system and would like to
> > the brains of some experts. We are looking up put a large amount of
> > ~75TB in a central data center. We have some remote (ok, not remote, but
> > across slower links, ok if you consider several hundred clients over 1Gb
> > be slow) locations that we would like to set up samba servers that
> > the file system and serve it up to the clients in the building and sync
> > the main data center storage.
a.) I don't think you can really do that with a 'file server'
b.) I believe what you describe is almost exactly how AFS works.
"OpenAFS is the world's foremost location independent file system."
c.) Most SAN vendors provide a block-level replication solution for
> The idea is have a couple of TB that are
> > located in the building that serve up the Samba share. When a client
> > requests a file, if it's in the local cache it is served up from there,
> > not then the Samba server grabs the file from the main data center and
> > serves it to the client. When a file is written, something like rsync is
> > used to transfer only difference back to the main data center. The
> > is that I'm not sure of a file system that does this. We are using
> > our HPC, but this won't do what we want.
With all the fun of file locking, concurrent access, etc... I think what
you describe just won't work, or at least will never work well. Why not
just you a groupware server that supports document check-out and
check-in; that seems like the correct solution to me. Or possibly
something like iFolder <http://ifolder.com/ifolder>
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