PowerShell Disks and Partitions Management

PowerShell Disks and Partitions Management. There are about 166 (Windows 1903) PowerShell cmdlets in the Storage module in Windows 10. To display all available commands related to disk management.

Get-Command -Module Storage

List Local Disks and Partitions

Display the list of local disks available in your system at the logical level.

Get-Disk | ft -AutoSize

Select only the system disk on which Windows is installed.

Get-Disk | Where-Object IsSystem -eq $True | fl

You can display Offline disks only.

Get-Disk | Where-Object IsOffline –Eq $True| ft –AutoSize

If you need information about physical disks (the characteristics and status of physical disks on a computer), use Get-PhysicalDisk.

You can display the list of partitions on all disks.

Get-Partition

Or partitions on the specified disks only.

Get-Partition –DiskNumber 1,2

Disk Initialization in PowerShell

1. Get the disk Online;

Get-Disk | Where-Object IsOffline –Eq $True | Set-Disk –IsOffline $False

2. Initialize it;

Initialize-Disk -Number 1

By default, a GPT (GUID) partition table is created on a disk, but if you need an MBR one.

Initialize-Disk 1 –PartitionStyle MBR

NOTE: If there are some data on the disk, you can change the partition table from MBR to GPT without removing the data using the mbr2gpt.exe tool.

How to Create Partitions on a Disk?

To create a new partition on a disk, the New-Partition cmdlet is used.

New-Partition –DiskNumber 1 -Size 100gb -DriveLetter G

If you want the partition to occupy all available disk space, use the UseMaximumSize attribute. To assign a letter automatically, the AssignDriveLetter parameter is used.

New-Partition –DiskNumber 1 -AssignDriveLetter –UseMaximumSize

You can change the assigned letter.

Set-Partition –DriveLetter L -NewDriveLetter U

If you want to make a partition active.

Set-Partition -DriveLetter U -IsActive $true

Formatting a partition with PowerShell

Format the new partition in the NTFS and set the Data volume label.

Format-Volume -DriveLetter G -FileSystem NTFS -NewFileSystemLabel Data -Confirm:$false

How to Remove Partitions from a Disk?

Remove all partitions on disks 1 and 2 without confirmation.

Get-Partition –DiskNumber 1,2 | Remove-Partition -Confirm:$false

To delete all partitions from disks and completely clear data.

Clear-Disk -Number 1 -RemoveData -Confirm:$false