HP StoreOnce 4430 HP StoreOnce Backup System Concepts and Configuration Guidel - Page 28

Network bonding modes, Network configuration in single-node StoreOnce Backup systems

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• For the HP B6200 Backup system, networking parameters are specified within the selected network template. • All StoreOnce Backup systems have two 1GbE ethernet ports. Most also have two additional 10GbE ports. Network bonding is supported on pairs of 1GbE and 10GbE ports, as described in the next section. Network bonding modes Each pair of network ports on the appliance can be configured either on separate subnets or in a bond with each other (1GbE and 10GbE ports cannot be bonded together). From software release 3.6.x onwards three bonding modes are supported: • Mode 1 (Active/Backup) This is the most simple bonding mode; it allows network traffic via one active port only and requires no specific extra switch configuration. It is recommended for simple network connections. • Mode 4 (IEEE 802.3ad Dynamic Link Aggregation) This bonding mode is also known as LACP and requires a special external switch configuration. It provides a link aggregation solution, increasing the bond physical bandwidth but can only work if all the ports in the bond are connected to one switch. It is recommended when : ◦ The customer wants to increase throughput to the StoreOnce appliance ◦ Trunks between switches on the customer network already use LACP mode The LACP protocol only works when it is configured on both ends of the physical connection. • Mode 6 (Active Load Balancing) This mode provides a load balance solution. It does not require specific external switch configuration, but does require the switch to allow ARP negotiation. It can be used in a 2-switch configuration. Network configuration in single-node StoreOnce Backup systems NOTE: Please refer to the HP StoreOnce 2700, 4500 and 4700 Backup system Installation and configuration guide or HP StoreOnce 2620, 4210/4220 and 4420/4430 Backup system Installation and configuration guide for detailed information about installing the StoreOnce Backup system and configuring it on a network. It contains information about the network wizard and network configuration files that is not included in this guide. This section explains network configurations for the following single-node Backup systems, which are installed and configured by the customer: • HP StoreOnce 2700 • HP StoreOnce 4500 • HP StoreOnce 4700 • HP StoreOnce 2620 • HP StoreOnce 4210/4220 • HP StoreOnce 4420/4430 The multi-node StoreOnce B6200 Backup system has additional networking considerations, which are described separately in the next section of this chapter. Installation and configuration of these systems is normally carried out by HP service specialists. 28 Networking considerations

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•
For the HP B6200 Backup system, networking parameters are specified within the selected
network template.
•
All StoreOnce Backup systems have two 1GbE ethernet ports. Most also have two additional
10GbE ports. Network bonding is supported on pairs of 1GbE and 10GbE ports, as described
in the next section.
Network bonding modes
Each pair of network ports on the appliance can be configured either on separate subnets or in a
bond with each other (1GbE and 10GbE ports cannot be bonded together).
From software release 3.6.x onwards three bonding modes are supported:
•
Mode 1 (Active/Backup)
This is the most simple bonding mode; it allows network traffic via one active port only and
requires no specific extra switch configuration. It is recommended for simple network
connections.
•
Mode 4 (IEEE 802.3ad Dynamic Link Aggregation)
This bonding mode is also known as LACP and requires a special external switch configuration.
It provides a link aggregation solution, increasing the bond physical bandwidth but can only
work if all the ports in the bond are connected to one switch. It is recommended when :
◦
The customer wants to increase throughput to the StoreOnce appliance
◦
Trunks between switches on the customer network already use LACP mode
The LACP protocol only works when it is configured on both ends of the physical connection.
•
Mode 6 (Active Load Balancing)
This mode provides a load balance solution. It does not require specific external switch
configuration, but does require the switch to allow ARP negotiation. It can be used in a 2–switch
configuration.
Network configuration in single-node StoreOnce Backup systems
NOTE:
Please refer to the
HP StoreOnce 2700, 4500 and 4700 Backup system Installation and
configuration guide
or
HP StoreOnce 2620, 4210/4220 and 4420/4430 Backup system
Installation and configuration guide
for detailed information about installing the StoreOnce Backup
system and configuring it on a network. It contains information about the network wizard and
network configuration files that is not included in this guide.
This section explains network configurations for the following single-node Backup systems, which
are installed and configured by the customer:
•
HP StoreOnce 2700
•
HP StoreOnce 4500
•
HP StoreOnce 4700
•
HP StoreOnce 2620
•
HP StoreOnce 4210/4220
•
HP StoreOnce 4420/4430
The multi-node StoreOnce B6200 Backup system has additional networking considerations, which
are described separately in the next section of this chapter. Installation and configuration of these
systems is normally carried out by HP service specialists.
28
Networking considerations