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VMware Cloud Foundation Stretched Cluster on Dell VxBlock 1000 Multi-Site
Executive summary Introduction Product overview Solution architecture Connectivity
Connectivity
Management network topology
Workload domain network topology
Stretched-cluster configuration in Cloud Foundation
Hardware components
Metro node distributed volumes (DR1)
PowerMax SRDF/Metro content
Testing and validation Conclusion References

PowerMax SRDF/Metro content

PowerMax SRDF/Metro content

  • The PowerMax SRDF/Metro feature enables an administrator to host applications in HA environments. When configured using SRDF/Metro, hosts, clusters, and applications can perform read/write operations on both source and target arrays. The feature functions like SRDF/S mode and maintains a real-time copy at arrays that are located within 200 KMs, depending on application workload, network latency, and block size.

    To create SRDF/Metro pairs:

    1. Create volumes on both source and target arrays as needed.
    1. Add the volumes to storage groups on each side.
    2. Create SRDF/Metro pairs between the source and target array.
    3. Wait until the synchronization completes and the arrays are in an active/active pair state.
    4. Perform storage provisioning tasks on the source and target arrays.

    Note: SRDF/Metro offers customers two types of witness deployment models: a physical array witness and a software witness. We configured this validated SRDF/Metro environment using the physical array witness.