Hyper-V Server shared VHDX

In Windows Server R2, you can share virtual disk files (only. VHDX-formatted disk files) between multiple virtual machines. Administrators can use these. vhdx files as shared storage for a virtual machine failover cluster or guest cluster. For example, create a shared. vhdx file for the data disk and the witness disk (but you should not use the shared. vhdx file as the operating system virtual disk file).

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This change simplifies the deployment of guest cluster configurations. Shared. vhdx file configurations are easier to deploy than virtual Fibre Channel or ISCSI. When you configure a virtual machine to use a shared. vhdx file, you do not need to change the storage configuration, such as zone and LUN masking, and the underlying storage infrastructure is not exposed to virtual machine users.

Shared virtual disks are ideal for SQL server database files, file server services running inside virtual machines, and database files located on shared disks.

The guest failover cluster must use a shared virtual disk in the. vhdx format. Although the shared virtual disk must use the. vhdx file format for the data drive, the virtual machine's operating system disk can use the. vhd or. vhdx file format.

There are two main ways to deploy a Hyper-V guest failover cluster that uses shared virtual disks. Shared virtual disks for guest failover clusters can be deployed to:

1) block storage of cluster shared volumes (CSV) (including storage space for the cluster).

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2) SMB 3.0 file-based storage in scale-out file servers.

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Hyper-V guest failover clustering can be configured and deployed using Hyper-V Manager, failover Cluster Manager, and Windows PowerShell.

To deploy a guest cluster using a shared VHDX, the following conditions are true:

1) Two Windows server R2 or Hyper-V Server R2 cluster nodes with Hyper-V.

2) The server must be part of the same Active Directory domain.

3) configured shared storage resources with availability-for example, block storage of CSV (for example, cluster storage space) or SMB 3.0 scale-out File server cluster (running Windows Server R2) file-based storage.

4) The failover cluster has sufficient memory, disk, and processor capacity to support multiple virtual machines required by the guest failover cluster.

This experiment demonstrates how to designate a virtual hard disk (. vhdx file) as shared storage for multiple virtual machines that have been configured as guest failover clusters.

1. First, refer to the preceding configuration for Hyper-V failover clustering, and use cluster Shared volumes (CSV) on block-level storage, if the administrator wants to store all virtual machine files on a scale-out file server, you do not need shared block-level storage on the Hyper-V cluster.

2. Open failover Cluster Manager, right-click Role, select New virtual machine

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3. Select the Hyper-V Failover cluster node to create two or more virtual machines

4. Specify a name and storage location for the virtual machine, select CSV here and click Next

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5. Specify the virtual machine algebra, select the second generation virtual machine, click Next

6. Assign the virtual machine to run memory and click Next

7. Specify the virtual machine network and click Next

8. On the Connect virtual hard disk page, create a virtual hard disk or use an existing virtual hard disk that resides on the shared storage. (If you are using an existing virtual hard disk, the guest operating system must be Windows Server 2012 or Windows Server R2.) In the Location box, specify the CSV path or SMB file share path.

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9. Summary page, confirm that all settings are correct, click Finish, wait for virtual machine to be created

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10. Wait for the virtual machine to configure high availability completion

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11. Click View Report to confirm that there are no errors, click Finish

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12. Return to failover Cluster Manager, view the virtual machines that were created, and join the two virtual machines to the same domain

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13. Right-click the created virtual machine, select settings

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14. Virtual Machine Settings page, click on SCSI controller, click "Add" Disk controller

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15. Tap the "new" virtual hard disk to open the virtual hard disk to create a

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16. Disk Type page, select fixed size or dynamic expansion. Shared virtual hard disk does not support differencing disks

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17. Specify the name and location of the virtual hard disk file, the shared virtual hard disk does not support the. vhd format of the virtual hard disk

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18. Create a blank virtual disk

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19. Click Done to create a blank virtual hard disk

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20. Do not click Apply because the current virtual machine is running. If you clicked apply on a running virtual machine, you need to stop the virtual machine or delete and add the virtual hard disk without clicking apply.

21. Expand the created virtual hard disk, click Advanced Features, tick "Enable virtual disk sharing". If the check box appears dimmed, then:

1) Delete the virtual hard disk, and then add it back to the running virtual machine. If you do this, make sure that you do not click Apply when the new Virtual Hard Disk wizard finishes, but that you should configure the share in advanced features immediately.

2) Stop the virtual machine, and then select the Enable virtual hard disk sharing check box.

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22. Click Apply, click OK

23. Set up another virtual machine, click on the SCSI controller, click "Add" Disk drive

24. Click Browse to select the shared virtual disk file created

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25. Click Advanced Features, select "Enable virtual hard disk sharing"

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26. Log in to the virtual machine "bj-server-02" and "bj-server-03", open Disk Manager, select Online, initialize, and create a new volume

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27. You can now create guest clusters with shared virtual disks to implement virtual machines and high availability of applications on top of them. About creating a failover cluster, which is no longer described here.

This article is from "Xu Ting Blog-Microsoft technology Sharing" blog, please be sure to keep this source http://ericxuting.blog.51cto.com/8995534/1602647

Hyper-V Server shared VHDX