MSFT_StorageNodeToPhysicalDisk class
Association between a MSFT_StorageNode and a MSFT_PhysicalDisk.
The following syntax is simplified from MOF code and includes all inherited properties.
Syntax
[Association]
class MSFT_StorageNodeToPhysicalDisk
{
MSFT_StorageNode REF StorageNode;
MSFT_PhysicalDisk REF PhysicalDisk;
UInt16 OperationalStatus[];
UInt16 HealthStatus;
UInt32 DiskNumber;
Boolean IsMpioEnabled;
UInt16 LoadBalancePolicy;
String PathId[];
UInt16 PathState[];
};
Members
The MSFT_StorageNodeToPhysicalDisk class has these types of members:
Properties
The MSFT_StorageNodeToPhysicalDisk class has these properties.
DiskNumber
Data type: UInt32
Access type: Read-only
The operating system's number for the disk on this storage node. Disk 0 is typically the boot device. Disk numbers may not necessarily remain the same across reboot, and are not necessarily the same on different nodes.
HealthStatus
Data type: UInt16
Access type: Read-only
Qualifiers: Required
Denotes the health status of the physical disk on this storage node.
Healthy (0)
Warning (1)
Unhealthy (2)
Unknown (5)
IsMpioEnabled
Data type: Boolean
Access type: Read-only
Indicates whether the physical disk uses MPIO.
LoadBalancePolicy
Data type: UInt16
Access type: Read-only
The MPIO load balance policy being used by the disk.
Unknown (0)
Fail Over (1)
Round Robin (2)
Round Robin with Subset (3)
Least Queue Depth (4)
Weighted Paths (5)
Least Blocks (6)
Vendor Specific (7)
OperationalStatus
Data type: UInt16 array
Access type: Read-only
Starting in Windows 10: Denotes the operational status of the physical disk:
Unknown (0)
Other (1)
OK (2)
Degraded (3)
Stressed (4)
Predictive Failure (5)
Error (6)
Non-Recoverable Error (7)
Starting (8)
Stopping (9)
Stopped (10)
In Service (11)
No Contact (12)
Lost Communication (13)
Aborted (14)
Dormant (15)
Supporting Entity in Error (16)
Completed (17)
Power Mode (18)
Relocating (19)
Microsoft Reserved (..)
Failed Media (0xD004)
Split (0xD005)
Stale Metadata (0xD006)
IO Error (0xD007)
Unrecognized Metadata (0xD008)
Microsoft Reserved (0xD009..)
PathId
Data type: String array
Access type: Read-only
Collection of MPIO path IDs, reported by the MPIO DSM, when applicable.
PathState
Data type: UInt16 array
Access type: Read-only
The current state of MPIO paths between the node and physical disk.
Unavailable (0)
Active/Unoptimized (1)
Standby (2)
Active/Optimized (3)
PhysicalDisk
Data type: MSFT_PhysicalDisk
Access type: Read-only
Qualifiers: Key
StorageNode
Data type: MSFT_StorageNode
Access type: Read-only
Qualifiers: Key
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Windows 8.1 [desktop apps only] |
| Minimum supported server | Windows Server 2012 R2 [desktop apps only] |
| Namespace | Root\Microsoft\Windows\Storage |
| MOF | Storagewmi.mof |