avhdx files

Patel, Hitesh 1 Reputation point

I have Azure Site recovery setup and it creates all these avhdx files which my VM ends up running on .. usually when i reboot the server it will merge them but that seems to have stopped working.. how do i get these all to merge or stop these from being created its taking up alot of space..

i want to avoid manually merging them as that will take forever to do


Azure Site Recovery
Azure Site Recovery
An Azure native disaster recovery service. Previously known as Microsoft Azure Hyper-V Recovery Manager.
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  1. SadiqhAhmed-MSFT 40,986 Reputation points Microsoft Employee

    @PatelHitesh-9562 We create a avhdx file and merge it, usually during re-sync process, if it is not getting merged, there are two possibilities 1) There is a third party software that is running and triggering a checkpoint, thus avhdx files getting created 2) Could be an issue with the hyper-v host, which is preventing the merge

    Eliminate the first option and if issue persists, we need a support case to be created to troubleshoot the second one.

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