Drive used to be part of a storage pool Cannot Delete A Storage Pool Because It Is Read Only
with PowerShell. Get the name of the Storage Pool, also known as the friendly name – for example Pool1. Then run: Get-StoragePool –FriendlyName “Pool1” | Set-StoragePool –IsReadOnly $false Then if you are sure, you can delete the storage pool, thus cleaning the disks for reuse: Get-StoragePool –FriendlyName “Pool1” | Remove-StoragePool