Windows查看硬盘总字节数

Get-PhysicalDisk | Select-Object DeviceID, MediaType, Model, Size

Get-WmiObject -Query "SELECT * FROM Win32_DiskDrive"
Get-WmiObject -Class Win32_DiskDrive | Select-Object DeviceID,Size
(Get-WmiObject -Class Win32_DiskDrive | Where-Object { $_.DeviceID -eq '\\.\PHYSICALDRIVE0' }).Size

#ps1 
#compatible within：win7-win11、server2008r2-2025
Add-Type -TypeDefinition @"
using System;
using System.Runtime.InteropServices;

public class NativeMethods_new
{
    public const uint GENERIC_READ = (0x80000000);
    public const uint OPEN_EXISTING = 3;
    public const uint IOCTL_DISK_GET_DRIVE_GEOMETRY_EX = 0x000700A0;
    public static readonly IntPtr INVALID_HANDLE_VALUE = new IntPtr(-1);


    [DllImport("kernel32.dll", SetLastError = true)]
    public static extern IntPtr CreateFile(
        string lpFileName,
        uint dwDesiredAccess,
        uint dwShareMode,
        IntPtr lpSecurityAttributes,
        uint dwCreationDisposition,
        uint dwFlagsAndAttributes,
        IntPtr hTemplateFile);

    [DllImport("kernel32.dll", SetLastError = true)]
    [return: MarshalAs(UnmanagedType.Bool)]
    public static extern bool DeviceIoControl(
        IntPtr hDevice,
        uint dwIoControlCode,
        IntPtr lpInBuffer,
        uint nInBufferSize,
        IntPtr lpOutBuffer,
        uint nOutBufferSize,
        ref uint lpBytesReturned,
        IntPtr lpOverlapped);

    [DllImport("kernel32.dll", SetLastError = true)]
    [return: MarshalAs(UnmanagedType.Bool)]
    public static extern bool CloseHandle(IntPtr hObject);

    [StructLayout(LayoutKind.Sequential)]
    public struct DiskGeometry
    {
        public long Cylinders;
        public int MediaType;
        public int TracksPerCylinder;
        public int SectorsPerTrack;
        public int BytesPerSector;
        // Possibly more fields depending on the exact definition of DISK_GEOMETRY
    }

    [StructLayout(LayoutKind.Sequential)]
    internal struct DiskGeometryEx
    {
        public DiskGeometry Geometry;
        public long DiskSize;
        public byte Data;
        // For simplicity, assuming 'Data' is a placeholder for additional data.
        // The actual structure may include a fixed buffer or other fields.
    }
}

public class DriveSizeFetcher_new
{
    public long GetDriveSize(string drivePath)
    {
        IntPtr diskHandle = NativeMethods_new.CreateFile(drivePath, 0, 7, IntPtr.Zero, NativeMethods_new.OPEN_EXISTING, 0, IntPtr.Zero);
        if (diskHandle == NativeMethods_new.INVALID_HANDLE_VALUE || diskHandle == IntPtr.Zero)
        {
            throw new System.ComponentModel.Win32Exception(Marshal.GetLastWin32Error());
        }

        try
        {
            long size = -1;
            uint numBytesRead = 0;
            int geometrySize = Marshal.SizeOf(typeof(NativeMethods_new.DiskGeometryEx));
            IntPtr geometryBlob = Marshal.AllocHGlobal(geometrySize);

            try
            {
                bool success = NativeMethods_new.DeviceIoControl(diskHandle, NativeMethods_new.IOCTL_DISK_GET_DRIVE_GEOMETRY_EX, IntPtr.Zero, 0, geometryBlob, (uint)geometrySize, ref numBytesRead, IntPtr.Zero);

                if (success)
                {
                    NativeMethods_new.DiskGeometryEx geometry = (NativeMethods_new.DiskGeometryEx)Marshal.PtrToStructure(geometryBlob, typeof(NativeMethods_new.DiskGeometryEx));
                    size = geometry.DiskSize;
                }
                else
                {
                    throw new System.ComponentModel.Win32Exception(Marshal.GetLastWin32Error());
                }
            }
            finally
            {
                Marshal.FreeHGlobal(geometryBlob);
            }

            return size;
        }
        finally
        {
            NativeMethods_new.CloseHandle(diskHandle);
        }
    }
}
"@ -Language CSharp

# Instantiate the DriveSizeFetcher_new class
$DriveSizeFetcher_new = New-Object DriveSizeFetcher_new

# Get all physical disks using WMI query and sort them by Index
$disks = Get-WmiObject -Query "SELECT * FROM Win32_DiskDrive" | Sort-Object Index

foreach ($disk in $disks)
{
    try {
        # Get the drive size in bytes
        Write-Host "`n$disk"
        Write-Host $disk.Index
        $size = $DriveSizeFetcher_new.GetDriveSize("\\.\PHYSICALDRIVE" + $disk.Index)

        Write-Host "`nDrive $($disk.Index) size: $size bytes" 2>$null
        $sizeInGB = $size / 1GB
        Write-Host "$size/1024/1024/1024 = $sizeInGB GB`n" 2>$null
    } catch {
        Write-Error "Failed to get drive size: $_" 2>$null
    }
}

Get-Process | Where-Object {$_.company -notlike '*Microsoft*' }|select Name,Description,Company

虽然卸载了这4个软件了执行脚本不再报错了，但是我在新、老机器把卸载的那几个软件装回去却复现不了问题。
确实就是卸载了这4个软件后重启机器才好的，印象中卸载"Tencent Virtio Driver"的时候报错了，我忽略了，
想不起报的啥了，卸载其他3个converter时没报错。

这4个软件共同点是都有引入内核驱动，可参考https://cloud.tencent.com/developer/article/1957099

get-service *vmware*, *starwind*, *XenConvert*, *w32time*