Losing mail?  That's the point of tar'ing up /var/spool/mail.

And the easiest addition to that is to stop the mail daemon on the old 
system before tar'ing up the directory.

On Sun, 26 Jan 2003, Kent Borg wrote:

> On Sun, Jan 26, 2003 at 11:46:39AM -0500, Mike Burger wrote:
> > Copy the /etc/passwd, /etc/shadow and /etc/group files to tne new system.
> > 
> > tar up /home and /var/spool/mail on the old system and untar them on the 
> > new system...voila!
> > 
> > On Sun, 26 Jan 2003, Michael Ketani wrote:
> > 
> > > The users are all mail server users only. The do not have shell access
> > > (/bin/false) although we give them home directories (which they do not
> > > get to use anyway). It would be nice if I didn't lose anyone's mail in
> > > the process, but if this is unavoidable then I can leave with it.
> 
> Hmmm.  I'd look at a way to not lose e-mail.  
> 
> Copying over the user files is a good start, but I would consider
> running the new machine in parallel for a test.  Can you get the old
> machine to send copies of all incoming e-mail to the new machine, and
> make sure it will accept them properly?  That would test that the UIDs
> and all survived the tarring and still make sense on the new machine.
> 
> If that works, then take what you know and learned to make the new
> machine compatible with the old one, then cleanly take down the old
> machine off line as you currently do for maintenance, rsync any new
> changes to spool, shadow, etc., on the old machine over the the new,
> then quick switch identities (IP address, host name) to the new machine
> and bring it up.
> 
> Or something like that,
> 
> 
> -kb, the Kent who is interested in hearing correction to and comments
> on the above.
> 
> 
> 
> 

-- 
Mike Burger
http://www.bubbanfriends.org

Visit the Dog Pound II BBS
telnet://dogpound2.citadel.org or http://dogpound2.citadel.org:2000



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