Network Port Create Bonded Port
Network bonding or teaming allows you to combine ports together to improve performance and fault tolerance. Note that most bonding policies are designed to spread the load across network ports when there are many network connections to the appliance. In this way they boost performance in aggregate for many servers accessing the system. That said, only the Round Robin bonding policy will actually boost performance for a single network connection. It is also important to note that for iSCSI you will get roughly 30% better performance by setting up each port on a separate network rather than using bonding/teaming.
The purpose of creating a bonded port in QuantaStor is to:
- Increase network bandwidth: By combining multiple physical network interfaces into a single logical interface, you can increase the available network bandwidth. This can be especially useful for storage systems that need to transfer large amounts of data over the network.
- Provide network redundancy: Bonded ports can provide network redundancy by allowing network traffic to be automatically rerouted to a backup physical interface in the event of a failure or outage. This helps ensure that your storage system remains accessible and reduces the risk of data loss.
- Load balancing: Bonded ports can also provide load balancing capabilities by distributing network traffic across multiple physical interfaces. This helps ensure that no single interface becomes overloaded with network traffic, which can lead to performance issues.
- Simplify network management: By aggregating multiple physical interfaces into a single logical interface, bonded ports can simplify network management by reducing the number of interfaces that need to be configured and managed.
Overall, the purpose of creating a bonded port in QuantaStor is to provide higher network bandwidth, redundancy, load balancing, and simplify network management, which can help optimize the performance, reliability, and manageability of your storage system.
For more detail please see IO Performance Tuning
Also Administrator Guide, Network Ports.
Bonding Modes:
- Round-Robin (balance-rr) : Transmits packets in sequential order across all bonded slaves. Provides load balancing and fault tolerance.
- Active-Backup (active-backup): Only one slave is active; the other takes over if the active link fails. Provides high redundancy without special switch configuration.
- Balance-XOR (balance-xor): Transmits based on a hash of source/destination MAC addresses, IP addresses, or ports. Balances load and provides fault tolerance.
- Adaptive Transmit Load Balancing (balance-tlb): Outgoing traffic is distributed based on current load, while incoming traffic is received by the current slave.
- Adaptive Load Balancing (balance-alb): Includes Balance-TLB plus receives load balancing (RLB) for IPV4 traffic by manipulating ARP replies, balancing both incoming and outgoing traffic.
- Link Aggregation Control Protocol (LACP) 802.3ad: Dynamic Link Aggregation Control Protocol. Creates aggregation groups with the same speed/duplex settings, requiring a switch that supports IEEE 802.3ad.
- LACP Layer 2 (MAC-based): Distributes traffic based on source and destination MAC addresses, ensuring frames between the same hosts follow the same physical link.
- LACP Layer 3+4 (IP/Port-based): Distributes traffic using source and destination IP addresses and TCP/UDP port numbers, providing finer load balancing across multiple sessions and flows.
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