HP LeftHand P4000 Virtual SAN Appliance Software - Manual (Page 64)

Table 24 Example Adaptive Load Balancing failover scenario and corresponding NIC status
NIC status Example failover scenario
1. Adaptive Load Balancing bond0 is created.
Motherboard:Port1 and Motherboard:Port2 are both active. •
Bond0 is the master logical interface.
•
Motherboard:Port1 is Active.
•
Motherboard:Port2 is Active.
2. Motherboard:Port1 interface fails. Because Adaptive
Load Balancing is configured, Motherboard:Port2 continues
operating. •
Motherboard:Port1 status becomes Passive (Failed).
• Motherboard:Port2 status remains Active.
3. Motherboard:Port1 link failure is repaired. •
Motherboard:Port1 resumes Active status.
• Motherboard:Port2 remains Active.
Summary of NIC states during failover
Table 25 (page 64) shows the states of Motherboard:Port1 and Motherboard:Port2 when configured
for Adaptive Load Balancing.
Table 25 NIC status during failover with Adaptive Load Balancing
Status of Motherboard:Port2 Status of Motherboard:Port1 Failover status
Preferred: No Preferred: No Normal Operation
Status: Active Status: Active
Data Transfer: Yes Data Transfer: Yes
Preferred: No Preferred: No Motherboard:Port1 Fails, Data
Transfer Fails Over to
Motherboard:Port2
Status: Active
Data Transfer: Yes
Status: Passive (Failed)
Data Transfer: No
Preferred: No Preferred: No Motherboard:Port1 Restored
Status: Active Status: Active
Data Transfer: Yes Data Transfer: Yes
Example network cabling topologies with Adaptive Load Balancing
A simple network configuration using Adaptive Load Balancing in a high availability environment
is illustrated in
Figure 29 (page 65) .
64 Managing the network