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List:       zfs-discuss
Subject:    Re: [zfs-discuss] ZFS deduplication ratio on Server 2008 backup VHD
From:       Roy Sigurd Karlsbakk <roy () karlsbakk ! net>
Date:       2010-04-27 12:42:44
Message-ID: 24913588.110.1272372164685.JavaMail.root () zimbra
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----- "Tim.Kreis" <tim.kreis@gmx.de> skrev:

> The problem is that the windows server backup seems to choose dynamic
> 
> vhd (which would make sense in most cases) and I dont know if there is
> a 
> way to change that. Using ISCSI-volumes wont help in my case since 
> servers are running on physical hardware.

It should work well anyway, if you (a) fill up the server with memory and (b) reduce \
block size to 8k or even less. But do (a) before (b). Dedup is very memory hungry

roy
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