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Validation Guide—SAP HANA on Dell EMC PowerEdge for VMware vSAN Hyperconverged Infrastructure
Introduction Technology overview
Introduction
System components
Sizing
CPU and memory
Supported memory configurations
PowerEdge for vSAN Ready Nodes per cluster
SAP HANA VMs per node and per socket
Disks
Network
Configuring SAP HANA virtual machines Solution health monitoring and support References

Network

Home > Integrated Products > vSAN Ready Nodes > Guides > Validation Guide—SAP HANA on Dell EMC PowerEdge for VMware vSAN Hyperconverged Infrastructure > Network

Network

  • Dell EMC recommends the following vSAN Ready Node configuration to support the SAP HANA bandwidth requirements:

    • Two 25 GbE SFP28 network daughter cards (NDCs)
    • Two additional 25 GbE SFP28 connectivity cards for SAP HANA-specific application network traffic—the SAP HANA internode

    Although 10 GbE network configurations are also supported, they provide limited network and storage performance, which might result in longer SAP HANA database restart times and a smaller number of SAP HANA VMs that can be supported in the cluster.

    In addition to the system networks required for vSphere and vSAN software, configure the following networks for SAP HANA when the corresponding function (SAP HANA system replication) is used:

    • Application server
    • Clients
    • System replication
    • Internode
    • Backup

    We recommend creating a new vSphere Distributed Switch (VDS) for the networks that are required for SAP HANA and assigning the additional two 25 GbE (or two 10 GbE) network cards as uplinks to the new VDS. To meet the performance requirements of the SAP HANA internode network communication, set an MTU size of 9,000 on this VDS and in the operating system network settings of the SAP HANA VM for the internode network. Follow VMware and SAP HANA requirements and best practices when configuring networks on the VDS.

    For information about planning logical and physical networks, see SAP HANA on Hyperconverged Infrastructure (HCI) Solutions Powered by VMware vSAN.