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Change the Azure VM type for Cloud Volumes ONTAP

Contributors netapp-manini netapp-driley netapp-bcammett netapp-rlithman
PDFs

You can choose from several VM types when you launch Cloud Volumes ONTAP in Microsoft Azure. You can change the VM type at any time if you determine that it is undersized or oversized for your needs.

About this task

  • Automatic giveback must be enabled on a Cloud Volumes ONTAP HA pair (this is the default setting). If it isn't, then the operation will fail.

    ONTAP 9 Documentation: Commands for configuring automatic giveback

  • Changing the VM type can affect Microsoft Azure service charges.

  • The operation restarts Cloud Volumes ONTAP.

    For single node systems, I/O is interrupted.

    For HA pairs, the change is nondisruptive. HA pairs continue to serve data.

    Tip BlueXP changes one node at a time by initiating takeover and waiting for give back. NetApp's Quality Assurance team tested both writing and reading files during this process and didn't see any issues on the client side. As connections changed, some retries were observed on the I/O level, but the application layer overcame the rewiring of NFS/CIFS connections.
Steps

  1. On the Canvas page, select the working environment.

  2. On the Overview tab, click the Features panel and then click the pencil icon next to VM type.

    A screenshot that shows the VM type setting under the Features panel available in the top right of the Overview page when viewing a working environment.

If you are using a node-based pay-as-you-go (PAYGO) license, you can optionally choose a different license and VM type by clicking the pencil icon next to License type.

  1. Select a VM type, select the check box to confirm that you understand the implications of the change, and then click Change.

Result

Cloud Volumes ONTAP reboots with the new configuration.