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Power failure of node in a Hyper-V failover cluster

Milan 41 Reputation points
2021-02-04T08:32:20.213+00:00

We have set up a failover cluster with multiple Hyper-V's running on it. When one node is down due to power problem, it takes several minutes for the hosted Hyper-V to reboot on another healthy node and restart all the services. Is is supposed to take this long? I have already shortened the resiliency period but it does not help much. I was expecting when a node is down, it will simply go through a live migration instead of a system reboot, which will be much quicker to resume the service. Is my assumption incorrect?

Hyper-V
Hyper-V
A Windows technology providing a hypervisor-based virtualization solution enabling customers to consolidate workloads onto a single server.
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Windows Server Clustering
Windows Server Clustering
Windows Server: A family of Microsoft server operating systems that support enterprise-level management, data storage, applications, and communications.Clustering: The grouping of multiple servers in a way that allows them to appear to be a single unit to client computers on a network. Clustering is a means of increasing network capacity, providing live backup in case one of the servers fails, and improving data security.
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  1. Mico Mi 1,921 Reputation points
    2021-02-05T01:59:16.55+00:00

    Hi,
    Based on my understanding, Windows cluster failover is not for instant recovery but for recovery where you can afford to be down for a few minutes.
    It’s worth checking Leon and Tim’s post in the following thread, I hope it could help at your side:
    cluster failover question

    Thanks for your time!
    Best Regards,
    Mico Mi

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