[K12OSN] OT: Off-site data replication
Mike Lichtenwalner
mll at mtwp.net
Thu Apr 7 20:17:15 UTC 2005
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.
Thanks to those of you who suggested rsync - I'll give it a try. I think
I will NFS mount the volumes I want to rsync from another box, and then
run the rsync between the NFS mounted volume and a local volume. I'm
hoping that will cut the load on the original server.
Thanks, again!
Mike
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