z/OS Common Information Model User's Guide
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IBMzOS_LogicalDisk

z/OS Common Information Model User's Guide
SC34-2671-00

IBMzOS_LogicalDisk

Purpose

This class provides basic information about disk devices known to the z/OS operating system based on the logical view.

Inheritance

  • CIM_ManagedElement
  • ← CIM_ManagedSystemElement
  • ← CIM_LogicalElement
  • ← CIM_EnabledLogicalElement
  • ← CIM_LogicalDevice
  • ← CIM_StorageExtent
  • ← CIM_LogicalDisk
  • ← IBMzOS_LogicalDisk

Module name

The module name of the CMPI provider that is registered for a CIM class which is used by the cimprovider command line tool for the administration of CMPI providers is

  • IBMzOS_LogicalDiskProviderModule

Provider library

The physical name of a CMPI provider’s shared object library as it is stored in the hierarchical file system is

  • libcmpiIBMzOS_LogicalDiskProvider.so

Used by the following CIM profiles

  • Host Discovered Resources profile

Properties

string Caption
Always returns z/OS Storage Volume.
string Description
Always returns Represents a storage volume as seen by z/OS®.
string ElementName
Volume Serial Number
string Name
Unique identifier for the extent in the form CC:SS:DDDD, where
CC
is the channel subsystem ID
SS
is the SubchannelSetID
DDDD
is the DeviceNumber
uint16 NameFormat
Returns
12
OS device name format
uint16 NameNamespace
Returns
8
OS device namespace
uint16 EnabledState
Mapped from the UCBONLI and UCBBOX values retrieved through UCBSCAN.

See Table 8 for mapping values of EnabledState to system data.

string CreationClassName
Always returns IBMzOS_LogicalDisk.
string DeviceID
Channel Device ID obtained from UCBCHAN through UCBSCAN.
string[] IdentifyingDescriptions
The first array element ([0]) returns Device Node Element Descriptor.
string[] OtherIdentifyingInfo
The first array element ([0]) returns

type.model.manufacturer.plant.sequenceNumber.tag

Example: 002107.900.IBM.75.0000000CF811.0B09

It is obtained from the NEDID field of the matching IHACDR control block.

string SystemCreationClassName
Always returns IBMzOS_ComputerSystem.
string SystemName
The systems fully qualified hostname (see IBMzOS_ComputerSystem:colon;Name). Obtained through the OSBase_Common.get_system_name() function.
uint16 OperationalStatus[]
Returns
0
Unknown
2
OK
9
Stopping
10
Stopped

The property enabledState is set based on the UCB control block information as shown in the following table:

Table 8. UCB control block information
UCBONLIUCBBOX
BoxedNot boxed
OnlineQuiesce (9)Enabled (2)
OfflineDisabled (3)Disabled (3)
Pending OfflineShutting down (4)

Associations

IBMzOS_SBInitiatorTargetLogicalUnitPath
Source
IBMzOS_LogicalDisk
Target
CIM_ProtocolEndpoint
see
Association IBMzOS_SBInitiatorTargetLogicalUnitPath
IBMzOS_LogicalDiskDevice
Source
IBMzOS_ComputerSystem
Target
IBMzOS_LogicalDisk

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