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Availability sets

Handian Sudianto 4,511 Reputation points
2024-02-12T15:51:55.5666667+00:00

Hello, For build VM avaiability set we must create at least 2 VMs for each application, right? I just want to know if there are 2 VM identical for each app, will both VM replicated each other automatically by Azure? I mean if i do some changes on the app or the OS, should i do exact same changes on another VM?

Azure Virtual Machines
Azure Virtual Machines
An Azure service that is used to provision Windows and Linux virtual machines.
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  1. TP 83,971 Reputation points
    2024-02-12T15:58:48.51+00:00

    Hi,

    Yes, for more resilience to failure you would need at least 2 VMs for the workload/application when using Availability Sets.

    No, the VMs will not replicate changes to each other automatically. The apps/workloads running inside of the VMs need to be designed to replicate/sync/share data between each other, -OR- the apps/workloads need to be stateless.

    -TP

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  1. Andreas Baumgarten 104K Reputation points MVP
    2024-02-12T15:57:16.7233333+00:00

    Hi @Handian Sudianto ,

    ... will both VM replicated each other automatically by Azure?

    No, there is no automatically sync between the 2 VMs.

    ... should i do exact same changes on another VM?

    Yes, that's the best option. But you have to do this manually.

    (If the reply was helpful please don't forget to upvote and/or accept as answer, thank you)

    Regards

    Andreas Baumgarten

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