Dell PowerVault 775N Configuring Windows® Firewall to Work With Dell - Page 51

Applications and Exchange Tools Figure 4.2 Configuration 2: Backup/Restore on a Windows Storage Server Computer Configuration 3, shown in Figure 4.3, has the following components: An Exchange server A Windows Storage Server computer hosting the Exchange databases and transaction logs A stand-alone backup server Figure 4.3 Configuration 3: Stand-alone Backup Server Table 4.1 compares the number of network data transfers that are required for backup and restore operations under each of the three configurations. Table 4.1 Comparison of Network Data Transfers for Backup and Restore Operations Configuration Configuration 1 Backup/Restore on Exchange Server Configuration 2 Backup/Restore on Windows Storage Server Computer Network Data Transfers for Backup Network Data Transfers for Restore One data transfer: One data transfer: One data transfer from the Exchange One data transfer from the backup database on the Windows Storage device on the Exchange server to the Server computer to the backup device on Exchange database on the Windows the Exchange server. Storage Server computer. Two data transfers: No data transfers over the network. One data transfer from the Exchange database on the Windows Storage Server computer to the Exchange server. One data transfer from the Exchange server to the backup device on the Windows Storage Server computer. Data is restored from the backup device on the Windows Storage Server computer to the Exchange database on the same server. Configuration 3 Stand-alone Backup Server Two data transfers: One data transfer from the Exchange database on the Windows Storage Server computer to the Exchange server. One data transfer from the Exchange server to the separate backup server. One data transfer: One data transfer from the separate backup server to the Exchange database on the Windows Storage Server computer. Feature Pack Deployment Guide 51