MPIO_DISK_HEALTH_INFO - NtDoc

Native API online documentation, based on the System Informer (formerly Process Hacker) phnt headers 
// mpiowmi.h

typedef struct _MPIO_DISK_HEALTH_INFO {
  ULONG                  NumberDiskPackets;
  ULONG                  Reserved;
  MPIO_DISK_HEALTH_CLASS DiskHealthPackets[1];
} MPIO_DISK_HEALTH_INFO, *PMPIO_DISK_HEALTH_INFO;
View the official Windows Driver Kit DDI reference

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Windows Driver Kit DDI reference (ns-mpiowmi-_mpio_disk_health_info)

_MPIO_DISK_HEALTH_INFO structure

Description

The MPIO_DISK_HEALTH_INFO structure is used to query the available health information for every multi-path disk in the system.

Members

NumberDiskPackets

An unsigned 32-bitfield that returns the number of available health packets that correspond to the number of multi-path disks under MPIO control.

Reserved

Should be zero.

DiskHealthPackets

An array of health information packets for all the available multi-path disks under MPIO control. The number of elements in the array is given by NumberDiskPackets, and each element of the array is an instance of an MPIO_DISK_HEALTH_CLASS structure.

View the official Windows Driver Kit DDI reference

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