unison is working great here

just make it's list smaller

I use something like:

for i in 'ls' do; unison $i;done

And I'm mirroring about 300GB of Maildirs every 2 hours.


regards

g.




On Sat, 2004-08-07 at 11:14 -0700, Entelin wrote:
> Hmm.. It seems like the most efficent method would be to have imap /
> pop3 make its changes to both at once. Like have the other mounted over
> nfs and so you would have two maildir's availible and it would make the
> changes to both? smtp can deliver to both places I am pretty sure.
> 
> On Sat, 2004-08-07 at 05:23, Thomas Mangin wrote:
> > Entelin wrote:
> > 
> > >I have two servers and I need each to have an identical copy of
> > >everyones Maildir. What is the best way to accomplish this? both servers
> > >will receive mail so they essentially need to merge with
> > >each other. some rsync method? coda? unison? something else? not really
> > >an area which I know much about...
> > >  
> > >
> > Unison may do what you want but when I looked at it a year ago it was 
> > not stable enough. I had a big NFS server with several 10's of GB of 
> > mail which caused the program to crash trying to perform the 
> > synchronisation but the situation may have changed.
> > 
> > Otherwise I am not aware of any easy way to achieve cheap replication 
> > across multiple servers, AFAIK most distributed file system do not 
> > include "RAID through networks capacity" but If you are interrested in 
> > networked file system with replication, you could have a look at 
> > http://www.lustre.org/ and http://www.pvfs.org/pvfs2/
> > 
> > You may be able to simulate RAID0 with lustre through the setup of ODB, 
> > but I never looked into it seriously.
> > 
> > Regards,
> > 
> > Thomas

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