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goog2k
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Deduplication

Post by goog2k » Aug 02, 2017 7:38 am

Hello,

How can i know how much veeam dedupe save me storage place?
on veeam report i can only see that was dedupe on 1.3*

Thanks

tdewin
Veeam Software
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Full Name: Timothy Dewin
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Re: Deduplication

Post by tdewin » Aug 02, 2017 8:36 am

Here is how you calculate the backup size from the data size (it's not exact because the dedup factor could be 4.8612125451222 for example)
Image

I guess if you want to calculate the savings, you take the datasize before deduplication and after deduplication and subtract them from each other

Code: Select all

$datasize = 127GB
$deduplication = 4.9
$compression = 1.8
$backupsize = $datasize/$deduplication/$compression
$backupsize/1GB

$dedupsavings = $datasize - ($datasize/$deduplication)
$dedupsavings
$dedupsavings/1GB

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