Coda File System

Re: coda with very large servers

From: Zachary Denison <>
Date: Thu, 11 Oct 2001 09:21:55 -0700 (PDT)
Yes I am using qmail and courier and everything is in
Maildir format.  The big problem now is the size of
the RVM.  If I broke down the monolithic servers into
smaller ones of 50gb each, and replicate each one of
those internationally I wonder if it would work.

--- wrote:
> On 11 Oct, Zachary Denison wrote:
> > 
> > 
> > In terms of the read any/ write all strategy thats
> > exactly what I want.  I do want it to deliver ail
> to
> > all the servers at once.  I want a system exactly
> as
> > yuo said, so that if one location completely loses
> > internet connectivity, users outside that location
> can
> > still access the email.  Coda seems to be theonly
> > system I know about that has read/write
> replication. 
> > Even AFS only supports read/only replication.
> (Excuse me butting in)
> There is a standard for mail systems called
> 'Maildirs' which
> would work with coda.  It was designed for mail kept
> on shared drives
> (aimed at NFS with its locking probs, IIRC).  A few
> mail servers use it
> (like Courier).
> Rather than using a spool file all messages are kept
> in files, one per
> message, with the meta-data in the filename.  Since
> the mail protocols
> don't support editing mail on the server, access to
> the files is only
> ever create or delete, so there shouldn't be any
> conflicts.
> However Jan still has the unbeatable point about the
> bandwidth you would
> need.
> -- 
> I/O, I/O,
> It's off to disk I go,
> A bit or byte to read or write,
> I/O, I/O, I/O...

> ATTACHMENT part 2 application/pgp-signature 

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Received on 2001-10-11 12:21:59