Designing systems for continuous availability - multi-node with block storage

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    I was wondering why exactly I need CSV for failover-clustering. Would be happy if it was possible (with SCVMM for example) to have a cheap-man's-failover without shared storage:
    - (Continually doing) asynchronous Hyper-V replication between servers
    - Live migration (planned failovers)
    - Failover to the replication target (unplanned failovers)
    - Orchestrated by the SCVMM server

    That'd be good enough for most shops and be way cheaper and easier to manage than a cluster with proper, reliable shared storage. An alternative would be a useable, integrated software-based storage replication solution.

    Will that ever come?

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