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MPIO_DEVINSTANCE_HEALTH_INFO structure (mpiodisk.h)

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The MPIO_DEVINSTANCE_HEALTH_INFO structure is used to query the available health information for every instance of a multi-path disk on each of the paths through which it is exposed.

Syntax

typedef struct _MPIO_DEVINSTANCE_HEALTH_INFO {
  ULONG                         NumberDevInstancePackets;
  ULONG                         Reserved;
  MPIO_DEVINSTANCE_HEALTH_CLASS DevInstanceHealthPackets[1];
} MPIO_DEVINSTANCE_HEALTH_INFO, *PMPIO_DEVINSTANCE_HEALTH_INFO;

Members

NumberDevInstancePackets

An unsigned 32-bitfield that returns the number of health packets that are available and that correspond to the number of available path instances associated with all multi-path disks.

Reserved

Should be zero.

DevInstanceHealthPackets[1]

A field that returns an array with health information about all the available instances of multi-path disks. The number of elements of the array is given by NbrDevInfoPkts and each element of the array is an instance of the MPIO_DEVINSTANCE_HEALTH_CLASS structure.

Requirements

Requirement Value
Header mpiodisk.h (include Mpiowmi.h)