On Wed, Aug 18, 2010 at 7:51 AM, Peter Tribble <peter.trib...@gmail.com> wrote:
> I tried this with NetBackup, and decided against it pretty rapidly.
> Basically, we
> got hardly any dedup at all. (Something like 3%; compression gave us
> much better results.) Tiny changes in block alignment completely ruin the
> possibility of significant benefit.
We are using Netbackup with ZFS Disk Stage under Solaris 10U8,
no dedupe but are getting 1.9x compression ratio :-)
> Using ZFS dedup is logically the wrong place to do this; you want a decent
> backup system that doesn't generate significant amounts of duplicate data
> in the first place.
The latest release of NBU (7.0) supports both client side and
server side dedupe (at additional cost ;-). We are using it in test
for backing up remote servers across slow WAN links with very good
results.
--
{--------1---------2---------3---------4---------5---------6---------7---------}
Paul Kraus
-> Senior Systems Architect, Garnet River ( http://www.garnetriver.com/ )
-> Sound Coordinator, Schenectady Light Opera Company (
http://www.sloctheater.org/ )
-> Technical Advisor, RPI Players
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