Issues with VM disk resize. SQL and Dynami disk

asked 2023-01-19T12:10:28.82+00:00
Grzegorz O 21 Reputation points


I tried to resize data disk (F:) attached to virtual machine. Disk contains sql data files. Unlike documentatnion after resizing instead of getting new space to allocate a have a new disk (disk1)

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If i try to extend disk F: i get the warning message:

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Screen from server manager:

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How to proceed to extend volume F: without data loss?

I will be super greatfull for help,



Azure Virtual Machines
Azure Virtual Machines
An Azure service that is used to provision Windows and Linux virtual machines.
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  1. answered 2023-01-19T16:25:00.0533333+00:00
    Andriy Bilous 7,801 Reputation points

    Hello @Grzegorz O

    This warning means that after converting the existing disk to dynamic disk you won't be able to start the operating system from any volume except the boot volume.
    Since you are working with a non boot secondary disk (disk2) , it should not affect the Boot disk (disk0).

    You can also use a 3rd party utility to extend F: and claim that unallocated space
    For example the Free version of AOMEI Partition Assistant is fully featured and very easy to use.

    Difference between Dynamic and Basic disks
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