HP Store Once Backup System 4900 Installation and Configuration Guide

P1 eth0 - 1 Gig
P2 eth1 - 1 Gig
P3 eth2 - 1 Gig
P4 eth3 - 1 Gig
P5 eth4 - 10 Gig
P6 eth5 - 10 Gig
P7 eth6 - 10 Gig
P8 eth7 - 10 Gig
Bonding Modes Supported
1: Active Passive Bonding
4: Link Aggregate Control Protocol (LACP) Bonding
6: Active Load Balance Bonding
Command Successful
Network bonding modes
Each set 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).
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, if the active network link fails then traffic moves to the backup port.
• 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 only
works if all the ports in the bond are connected to one switch or switches joined by an
interswitch link. 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 the network switch and StoreOnce
end of the connection. Please refer to your switch documentation for information on LACP
configuration.
• 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.
This configuration is generally recommended for backup data performance and also for
resiliency of both data and management network connectivity. However, in some environments
ARP packet negotiation may be disabled within the network infrastructure, so this mode may
not be appropriate.
NOTE: When using bonded ports the full performance of bonded links are only realized if multiple
host servers are providing data, otherwise data will still use only one network path from the single
server.
Physical ports and IP addresses
Before using the wizard to configure the network, you should determine which subnets you wish
to configure and how they will use available ports on the StoreOnce Backup system.
Network bonding modes 41