How to expand a virtual disk in a storage pool on Windows server

sivi1 nesivi1 0 Reputation points
2024-04-23T20:40:50.9066667+00:00

I initialy created a storage pool (named VMsData) of 1.63 TB with two raid disks of 838 GB each.

In this pool I created a virtual disk (VMsDisk1) using the full capcity of the pool.

Later to get more disk space, I added a third raid disk of 838 GB and added it to the existing storage pool VMsData, expanding it's capaciti to 2.45 TB.

My problem is: I don't know how to expand the virtual disk VMsDisk1 with the existing free space in the storage pool.

This screenshot shows the state of my storage, and my goal is to have VMsDisk1 allocated 2.45 TB.

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I hope somebody can help.

Windows Server 2019
Windows Server 2019
A Microsoft server operating system that supports enterprise-level management updated to data storage.
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Windows Server Storage
Windows Server Storage
Windows Server: A family of Microsoft server operating systems that support enterprise-level management, data storage, applications, and communications.Storage: The hardware and software system used to retain data for subsequent retrieval.
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  1. Ian Xue (Shanghai Wicresoft Co., Ltd.) 33,301 Reputation points Microsoft Vendor
    2024-04-25T04:20:20.2933333+00:00

    Hi sivi1 nesivi1,

    Hope you're doing well.

    Please open PowerShell as an administrator and input the following command to check NumberOfColumns:

    **get-virtualdisk -friendlyname diskname | fl ***

    If we use two physical disks to create the "StoragePool", the "NumberOfColumns" of the "StoragePool" will be 2. If we want to extend the "Storage Pool" or "Virtual Disk", we must add 2 or a multiple of 2 the same size disks.

    Please note that we must ensure there is data backup in place.

    Best Regards,

    Ian Xue


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