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Planning Guide—Dell VxRail vCenter Server
Introduction VxRail and vSphere/vCenter release alignment vCenter Server 7.x architecture vCenter Server 6.0.x through 6.7.x Architecture VxRail VxRail vCenter Server options vCenter feature comparison VxRail and vCenter Version Comparison
Overview
Multicluster management
vCenter hosting
vCenter mode conversion
Enhanced Link Mode (ELM)
VxRail cluster types vCenter licensing vCenter Deployment Details Conclusion

Enhanced Link Mode (ELM)

Enhanced Link Mode (ELM)

    • ELM is supported in VxRail 7.x clusters only. ELM is not supported in earlier releases of VxRail.
    • ELM is not supported between a customer-supplied vCenter and a VxRail-supplied vCenter. ELM is only supported between VxRail-supplied vCenters.
    • Up to 15 VxRail-supplied vCenter instances can be linked.
    • VxRail clusters running v7.0.100 or later can enable ELM during the VxRail initial build process.
    • VxRail clusters running v7.0.200 or later can enable ELM between VxRail-managed vCenter Servers as a Day 2 operation after VxRail initial build is completed.
    • See the vCenter Enhanced Linked Mode Prerequisites section of the VMware vCenter Installation Guide for more detailed information.

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    Figure 6.   VxRail-supplied vCenters connected in ELM

    Data encryption

    • vSAN encryption is a vSphere feature to encrypt ‘data at rest’ on the vSAN datastore.
    • VxRail-supplied vCenter does not support vSAN encryption in versions earlier than 4.5.200.

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    Figure 7.   vSAN encryption on a VxRail cluster

    • vSphere also supports encryption at the virtual machine layer as an option to vSAN encryption.
    • Starting with VxRail 7.0.200, the native key provider that is embedded with vCenter can be used for encryption purposes.

    DiagramDescription automatically generated with medium confidence

    Figure 8.   Virtual machine encryption on a VxRail cluster