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Two CSV disks for one VM

    Question

  • Hello,

    Can I add two CSV disks to one VM? I have created two CSV disks but if I try to add second CSV disk to VM received this error: "There are no available disks in the cluster.".

    Thank you, Petr.

    vendredi 16 mars 2012 18:54

Réponses

  • The entire VM should be stored on one volume by default.

    If your VM has VHDs on both CSV volumes then you would see an association to both.

    If you have modified your VM to have resources that are stored on both CSV volumes and it does not show in Cluster Manager, then you need to refresh the VM in Cluster Manager.  (it is an action on the VM).

    VMs are not spread actoss CSVs.  In essence it is a special LUN or volume that you can store VMs on.

    The VM stays on its CSV when it fails over from one node to the other, it is not moved or migrated.

    Did I get close?


    Brian Ehlert (hopefully you have found this useful)
    http://ITProctology.blogspot.com
    Learn. Apply. Repeat.
    Disclaimer: Attempting change is of your own free will.

    • Marqué comme réponse PetrSSS vendredi 16 mars 2012 22:58
    vendredi 16 mars 2012 20:21
    Modérateur

Toutes les réponses

  • I guess that I don't understand.

    Why are you adding a CSV disk to a VM?  The CSV is only for the entities that are clustered (Hyper-V only prior to Win8).

    So on the CSV should be the VHDs of the VM.  You don't present a CSV as a passthrough volume, it is not supported, things will break / corrupt.


    Brian Ehlert (hopefully you have found this useful)
    http://ITProctology.blogspot.com
    Learn. Apply. Repeat.
    Disclaimer: Attempting change is of your own free will.

    vendredi 16 mars 2012 19:52
    Modérateur
  • Ok, my bad. Stupid question.

    What I want is:

    I have two CSV disks:

    But on VM i see only one and I cannot add second one:

    Is it correct?

    vendredi 16 mars 2012 20:10
  • The entire VM should be stored on one volume by default.

    If your VM has VHDs on both CSV volumes then you would see an association to both.

    If you have modified your VM to have resources that are stored on both CSV volumes and it does not show in Cluster Manager, then you need to refresh the VM in Cluster Manager.  (it is an action on the VM).

    VMs are not spread actoss CSVs.  In essence it is a special LUN or volume that you can store VMs on.

    The VM stays on its CSV when it fails over from one node to the other, it is not moved or migrated.

    Did I get close?


    Brian Ehlert (hopefully you have found this useful)
    http://ITProctology.blogspot.com
    Learn. Apply. Repeat.
    Disclaimer: Attempting change is of your own free will.

    • Marqué comme réponse PetrSSS vendredi 16 mars 2012 22:58
    vendredi 16 mars 2012 20:21
    Modérateur
  • Thank you very much!
    vendredi 16 mars 2012 22:58