[K12OSN] OT: Off-site data replication

[Huck]

Lunch time hours are usually good for this sort of thing..and all 
off-line hours...and utilizing the BackupPC that Les plugs, is a lovely 
little application that just plain rocks for doing this sort of thing.

--Huck

Les Mikesell wrote:
> On Wed, 2005-04-06 at 13:19, Mike Lichtenwalner wrote:
> 
> 
>>What are some alternatives in replicating data in a relatively-live 
>>manner? A SAN is an option, but is something that extensive required? 
>>Would doing an rsync every 15 minutes bring the box to its knees?
> 
> 
> There is a lot of overhead in the directory-scan part of an rsync.  If
> you can confine the frequent runs to smaller subdirectories at a time
> it will not have much impact.  Since maildir type mailboxes can have
> a huge number of files, you might go so far as to script a loop over
> individual home directories to rsync one at a time.
> 
> And since I haven't mentioned it for at least a week, I'll point out
> that backuppc (http://backuppc.sourceforge.net/) does a good job of
> normal backups and can run from a remote location if you have the
> bandwidth. I don't think I'd run it every 15 minutes, though.
>