File system datasource

SC size = (dataSourceSize * recoveryRangeInDays * 2) / 100 + 1 GB;

Replica size = (dataSourceSize * 3) / 2;

SQL DB

Replica size = dataSourceSize * (1 + LogChange) / (AlertThreshold - .05);

SC size = 2.5 * recoveryRangeInDays * LogChange * dataSourceSize + 1 GB

Exchange SG

replicasize = dataSourceSize * (1 + LogChange) / (AlertThreshold - .05);

SCSize = 4.0 * recoveryRangeInDays * LogChange * dataSourceSize + 1GB

where

Log change = 0.06

Alertthreshold = 0.9