HP StoreOnce 4430 HP StoreOnce Backup System Concepts and Configuration Guidel - Page 31

Dual port configurations

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Dual port configurations This example describes configuring multiple subnets in separate IP address ranges for each pair of network ports. A maximum of 4 separate subnets can be configured on a StoreOnce 4420 or 4430 appliance (2 x 1GbE and 2 x 10GbE). Use this mode: • If servers to be backed up are split across two physical networks which need independent access to the appliance. In this case, virtual libraries and shares and Catalyst stores will be available on both network ports; the host configuration defines which port is used. • If separate data ("Network SAN") and management LANs are being used, i.e. each server has a port for business network traffic and another for data backup. In this case, one port on the appliance can be used solely for access to the StoreOnce Management Interface with the other used for data transfer. Figure 11 Network configuration, dual port mode In the case of a separate network SAN being used, configuration of CIFS backup shares with Active Directory authentication requires careful consideration, see Network Configurations for CIFS AD for more information. Network configuration in single-node StoreOnce Backup systems 31

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Dual port configurations
This example describes configuring multiple subnets in separate IP address ranges for each pair
of network ports. A maximum of 4 separate subnets can be configured on a StoreOnce 4420 or
4430 appliance (2 x 1GbE and 2 x 10GbE).
Use this mode:
•
If servers to be backed up are split across two physical networks which need independent
access to the appliance. In this case, virtual libraries and shares and Catalyst stores will be
available on both network ports; the host configuration defines which port is used.
•
If separate data (“Network SAN”) and management LANs are being used, i.e. each server
has a port for business network traffic and another for data backup. In this case, one port on
the appliance can be used solely for access to the StoreOnce Management Interface with the
other used for data transfer.
Figure 11 Network configuration, dualport mode
In the case of a separate network SAN being used, configuration of CIFS backup shares with
Active Directory authentication requires careful consideration, see Network Configurations for CIFS
AD for more information.
Network configuration in single-node StoreOnce Backup systems
31