Windows Vista Forums

Hyper-V - shutdown VM - status shows "merge in Progress..."

  1. #1


    Bruce Sanderson Guest

    Hyper-V - shutdown VM - status shows "merge in Progress..."

    When some of the Virtual Machines on a 2008 Hyper-V server are shutdown, the
    status in the Hyper-V management console goes to "Merge in progress...".
    This is updated now and then with a %.

    This "merge" can take quite a few minutes.

    What is being "merged"?

    Is there some configuration for the Virtual Machine or on the Hyper-V host
    that can be made to either speed up or eliminate this "merge" operation?

    --
    Bruce Sanderson
    http://members.shaw.ca/bsanders/
    It's perfectly useless to know the right answer to the wrong question.




      My System SpecsSystem Spec

  2. #2


    Pablo Toapanta N. Guest

    Re: Hyper-V - shutdown VM - status shows "merge in Progress..."

    Hi Bruce,

    The merge process takes place when you have snapshots in a VM. When you take
    a snapshot Hyper-V creates two files: .avhd file (snapshot) and new .vhd
    file. So now, after a snapshot you have a parent vhd file, a avhd snapshot
    file, and child vhd file.

    The "merge" process take the parent and child vhd files and merge in just
    one vhd file. This merge process occurs just with dynamic vhd files.

    "Bruce Sanderson" <bsanders@newsgroup> escribió en el mensaje de
    noticias:uCOZMPLZKHA.2184@newsgroup

    > When some of the Virtual Machines on a 2008 Hyper-V server are shutdown,
    > the status in the Hyper-V management console goes to "Merge in
    > progress...". This is updated now and then with a %.
    >
    > This "merge" can take quite a few minutes.
    >
    > What is being "merged"?
    >
    > Is there some configuration for the Virtual Machine or on the Hyper-V host
    > that can be made to either speed up or eliminate this "merge" operation?
    >
    > --
    > Bruce Sanderson
    > http://members.shaw.ca/bsanders/
    > It's perfectly useless to know the right answer to the wrong question.
    >
    >
    >

      My System SpecsSystem Spec

Hyper-V - shutdown VM - status shows "merge in Progress..."

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