Microsoft Data Recovery Manager 2007 – Calculating Disk Allocation

microsoftdpm_logo.jpg   When you create a new Protection Group using the “Create Protection Group” wizard – DPM internally computes and allocates volumes for storing the replica and the shadow copies to enumerates the various formulae that we use internally to generate the default size

File system datasource

SC GBsize = (dataSourceGBSize * recoveryRangeInDays * 2) / 100 + 1 GB
Replica GBsize = (dataSourceGBSize * 3) / 2

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