/// <summary>
/// Check if the drive has a seek penalty.
/// </summary>
/// <param name="physicalDriveName">A valid physicalDriveName.</param>
/// <returns><c> true </c> if the drive has a seek penalty otherwise, <c> false </c></returns>
/// <remarks>Administrative privilege is required!</remarks>
/// <exception cref="DetectionFailedException"></exception>
private static bool HasDriveSeekPenalty(string physicalDriveName)
{
var hDrive = CreateFileW(
physicalDriveName,
0, // No access to drive
FileShareRead | FileShareWrite,
IntPtr.Zero,
OpenExisting,
FileAttributeNormal,
IntPtr.Zero);
if (hDrive == null || hDrive.IsInvalid)
{
throw new DetectionFailedException(string.Format("Could not detect SeekPenalty of {0}",
physicalDriveName));
}
var ioctlStorageQueryProperty = CTL_CODE(
IoctlStorageBase, 0x500,
MethodBuffered, FileAnyAccess); // From winioctl.h
var querySeekPenalty =
new StoragePropertyQuery
{
PropertyId = StorageDeviceSeekPenaltyProperty,
QueryType = PropertyStandardQuery
};
var querySeekPenaltyDesc =
new DeviceSeekPenaltyDescriptor();
uint returnedQuerySeekPenaltySize;
var querySeekPenaltyResult = DeviceIoControl(
hDrive,
ioctlStorageQueryProperty,
ref querySeekPenalty,
(uint)Marshal.SizeOf(querySeekPenalty),
ref querySeekPenaltyDesc,
(uint)Marshal.SizeOf(querySeekPenaltyDesc),
out returnedQuerySeekPenaltySize,
IntPtr.Zero);
hDrive.Close();
if (querySeekPenaltyResult == false)
{
throw new DetectionFailedException(string.Format("Could not detect SeekPenalty of {0}",
physicalDriveName));
}
if (querySeekPenaltyDesc.IncursSeekPenalty == false)
{
//This drive has NO SEEK penalty
return(false);
}
//This drive has SEEK penalty
return(true);
}
private static extern bool DeviceIoControl(
SafeFileHandle hDevice,
uint dwIoControlCode,
ref StoragePropertyQuery lpInBuffer,
uint nInBufferSize,
ref DeviceSeekPenaltyDescriptor lpOutBuffer,
uint nOutBufferSize,
out uint lpBytesReturned,
IntPtr lpOverlapped);
/// <summary>
/// Check if the drive has a seek penalty.
/// </summary>
/// <param name="physicalDriveName">A valid physicalDriveName.</param>
/// <returns><c> true </c> if the drive has a seek penalty otherwise, <c> false </c></returns>
/// <remarks>Administrative privilege is required!</remarks>
/// <exception cref="DetectionFailedException"></exception>
private static bool HasDriveSeekPenalty(string physicalDriveName)
{
var hDrive = CreateFileW(
physicalDriveName,
0, // No access to drive
FileShareRead | FileShareWrite,
IntPtr.Zero,
OpenExisting,
FileAttributeNormal,
IntPtr.Zero);
if (hDrive == null || hDrive.IsInvalid)
{
throw new DetectionFailedException(string.Format("Could not detect SeekPenalty of {0}",
physicalDriveName));
}
var ioctlStorageQueryProperty = CTL_CODE(
IoctlStorageBase, 0x500,
MethodBuffered, FileAnyAccess); // From winioctl.h
var querySeekPenalty =
new StoragePropertyQuery
{
PropertyId = StorageDeviceSeekPenaltyProperty,
QueryType = PropertyStandardQuery
};
var querySeekPenaltyDesc =
new DeviceSeekPenaltyDescriptor();
uint returnedQuerySeekPenaltySize;
var querySeekPenaltyResult = DeviceIoControl(
hDrive,
ioctlStorageQueryProperty,
ref querySeekPenalty,
(uint) Marshal.SizeOf(querySeekPenalty),
ref querySeekPenaltyDesc,
(uint) Marshal.SizeOf(querySeekPenaltyDesc),
out returnedQuerySeekPenaltySize,
IntPtr.Zero);
hDrive.Close();
if (querySeekPenaltyResult == false)
{
throw new DetectionFailedException(string.Format("Could not detect SeekPenalty of {0}",
physicalDriveName));
}
if (querySeekPenaltyDesc.IncursSeekPenalty == false)
{
//This drive has NO SEEK penalty
return false;
}
//This drive has SEEK penalty
return true;
}
private static extern bool DeviceIoControl(
SafeFileHandle hDevice,
uint dwIoControlCode,
ref StoragePropertyQuery lpInBuffer,
uint nInBufferSize,
ref DeviceSeekPenaltyDescriptor lpOutBuffer,
uint nOutBufferSize,
out uint lpBytesReturned,
IntPtr lpOverlapped);
