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  • 1.  Expanding a datastore in vCenter with VMS running

    Posted Aug 06, 2014 02:10 PM

    We have expanded our Volume and LUN on our NetApp SATA VMStore from 2TB to 4TB, we now want to expand within vCenter, am I ok to do this inside of office hours whilst vms are running on the datastore?

    Going in via configuration - storage - etc etc..



  • 2.  RE: Expanding a datastore in vCenter with VMS running

    Posted Aug 06, 2014 05:12 PM

    You can do this with VMs running without problems, but if LUN experiences high I/O you can schedule this operation to non-business hours and with low I/O.

    Check this KB article for more detailed information: VMware KB: Growing or expanding a VMFS volume or datastore



  • 3.  RE: Expanding a datastore in vCenter with VMS running
    Best Answer

    Posted Aug 06, 2014 05:48 PM

    It should be fine. Off hours is better, as you have to perform rescans etc.

    This will not affect the VM's running in it.

    Unless there is a specific requirement, why not go with 2TB LUNs? I mean add another LUN of 2TB instead of adding an extent?