[PVE-User] backup takes so long to finish

Michael Rasmussen mir at miras.org
Wed Aug 27 20:49:56 CEST 2014


On Wed, 27 Aug 2014 15:36:19 -0300
Gilberto Nunes <gilberto.nunes32 at gmail.com> wrote:

> Just a idea...I am really lost here...Trying find a reason to explain all
> the lost of performance...
> I took all necessary cares about cables, switches, storage and now a simple
> backup task takes so long to finish... I am stunned!...
> 
How about alignment. Is the LVM volume properly aligned to the iSCSI
disk?
Is the file system in the guest aware of the alignment in LVM?
Since LVM defaults to 4k alignment you could try experimenting with
advanced format of your Windows disk ->
http://blogs.technet.com/b/filecab/archive/2011/04/26/using-4k-sector-and-advanced-format-drives-in-windows-hotfix-and-support-info-for-windows-server-2008-r2-and-windows-7.aspx

-- 
Hilsen/Regards
Michael Rasmussen

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--------------------------------------------------------------
/usr/games/fortune -es says:
Death has been proven to be 99% fatal in laboratory rats.
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