Key |
CreationClassName
|
string
|
|
CreationClassName indicates the name of the class or the subclass used in the creation of an instance. When used with the other key properties of this class, this property allows all instances of this class and its subclasses to be uniquely identified. |
DeviceID
|
string
|
|
The ID of the StorageVolume. A numerical value which is unique for intances of the StorageVolume class only. |
SystemCreationClassName
|
string
|
|
The scoping System's CreationClassName. |
SystemName
|
string
|
|
The scoping System's Name Property |
Read Only |
Access
|
uint16
|
Unknown | 0 |
Readable | 1 |
Writeable | 2 |
Read/Write Supported | 3 |
Write Once | 4 |
|
Access describes whether the media is readable (value=1), writeable (value=2), or both (value=3)."Unknown"(0) and"Write Once"(4) can also be defined. |
AccessGranted
|
boolean
|
|
This property provides a quick interface for finding Devices with no AuthorizationSubject association to an AccessControlInformation instance; either directly, or via a Controller. True indicates that the Device has granted access to some consumer. False indicates that no access has been granted. |
BackendVolumeID
|
string
|
|
The ID of the underlying BackendVolume. Only valid if Type="Image" |
BackendVolumeName
|
string
|
|
The name of the underlying BackendVolume. Only valid if Type="Image" |
BlockSize
|
uint64
|
|
Size in bytes of the blocks which form this StorageExtent. If variable block size, then the maximum block size in bytes should be specified. If the block size is unknown or if a block concept is not valid (for example, for AggregateExtents, Memory or LogicalDisks), enter a 1. |
CacheMode
|
uint16
|
|
The volume's cache mode. Can be either0 ("None"), or1 ("Read Write").Not available for SVC Clusters running pre v3.1.0 Firmware. |
CacheState
|
uint16
|
{Emtpy | 0 |
Not empty | 1 |
Corrupt} | 2 |
|
The volume's cache state. Can be either0 ("Empty"),1 ("Not empty") or2 ("Corrupt") |
Cluster
|
string
|
|
The identifying information of the cluster on which the storage volume resides. |
ConsumableBlocks
|
uint64
|
|
The maximum number of blocks, of size BlockSize, which are available for consumption when layering StorageExtents using the BasedOn association. This property only has meaning when this StorageExtent is an Antecedent reference in a BasedOn relationship. For example, a StorageExtent could be composed of 120 blocks. However, the Extent itself may use 20 blocks for redundancy data. If another StorageExtent is BasedOn this Extent, only 100 blocks would be available to it. This information ('100 blocks is available for consumption') is indicated in the ConsumableBlocks property. |
Controlled
|
boolean
|
|
This property provides a quick interface for finding Devices with no ControlledBy associations to Controllers. True indicates that the Device is connected to one or more Ports (via Controllers). False indicates that the Device exists but is not connected to a port. |
CopyCount
|
uint32
|
|
The number of copies of this vdisk.Each vdisk must have at least one copy. If it is mirrored it will have two copies. |
DataOrganization
|
uint16
|
Other | 0 |
Unknown | 1 |
Fixed Block | 2 |
Variable Block | 3 |
Count Key Data | 4 |
|
Type of data organization used. |
DataRedundancy
|
uint16
|
|
Number of complete copies of data currently maintained. |
DeltaReservation
|
uint8
|
|
Current value for Delta reservation. This is a percentage that specifies the amount of space that should be reserved in a replica for caching changes. |
Description
|
string
|
|
The Description property provides a textual description of the object. |
EnabledDefault
|
uint16
|
Enabled | 2 |
Disabled | 3 |
Not Applicable | 5 |
Enabled but Offline | 6 |
No Default | 7 |
DMTF Reserved | 8..32767 |
Vendor Reserved | 32768..65535 |
|
An enumerated value indicating an administrator's default or startup configuration for the Enabled State of an element. By default, the element is"Enabled"(value=2). |
EnabledState
|
uint16
|
Unknown | 0 |
Other | 1 |
Enabled | 2 |
Disabled | 3 |
Shutting Down | 4 |
Not Applicable | 5 |
Enabled but Offline | 6 |
In Test | 7 |
Deferred | 8 |
Quiesce | 9 |
Starting | 10 |
DMTF Reserved | 11..32767 |
Vendor Reserved | 32768..65535 |
|
EnabledState is an integer enumeration that indicates the enabled and disabled states of an element. It can also indicate the transitions between these requested states. For example, shutting down (value=4) and starting (value=10) are transient states between enabled and disabled. The following text briefly summarizes the various enabled and disabled states:Enabled (2) indicates that the element is or could be running commands, will process any queued commands, and queues new requests.Disabled (3) indicates that the element will not run commands and will drop any new requests.Shutting Down (4) indicates that the element is in the process of going to a Disabled state.Not Applicable (5) indicates the element does not support being enabled or disabled.Enabled but Offline (6) indicates that the element might be completing commands, and will drop any new requests.Test (7) indicates that the element is in a test state.Deferred (8) indicates that the element might be completing commands, but will queue any new requests.Quiesce (9) indicates that the element is enabled but in a restricted mode. The behavior of the element is similar to the Enabled state, but it processes only a restricted set of commands. All other requests are queued.Starting (10) indicates that the element is in the process of going to an Enabled state. New requests are queued. |
ExtentStatus
|
uint16
|
Other | 0 |
Unknown | 1 |
None/Not Applicable | 2 |
Broken | 3 |
Data Lost | 4 |
Dynamic Reconfig | 5 |
Exposed | 6 |
Fractionally Exposed | 7 |
Partially Exposed | 8 |
Protection Disabled | 9 |
Readying | 10 |
Rebuild | 11 |
Recalculate | 12 |
Spare in Use | 13 |
Verify In Progress | 14 |
DMTF Reserved | 15..32767 |
Vendor Reserved | 32768..65535 |
|
StorageExtents have additional status information beyond that captured in the OperationalStatus and other properties, inherited from ManagedSystemElement. This additional information (for example,"Protection Disabled", value=9) is captured in the VolumeStatus property. |
FCID
|
string
|
|
The flash copy ID of the volume. Many implies itis part of more than one relationship. |
FCName
|
string
|
|
The flash copy name of the volume. |
FlashCopyMapCount
|
uint16
|
|
The number of Flash Copy Mappings that contain this volume. Not available for SVC Clusters running pre v4.2.0 Firmare. |
GroupID
|
string
|
|
The ID of the scoping RedundancyGroup. |
GroupName
|
string
|
|
The name of the scoping RedundancyGroup. |
IdentifyingDescriptions
|
string
|
|
An array of free-form strings providing explanations and details behind the entries in the OtherIdentifyingInfo array. Note, each entry of this array is related to the entry in OtherIdentifyingInfo that is located at the same index. |
IsBasedOnUnderlyingRedundancy
|
boolean
|
|
True indicates that the underlying StorageExtent(s) participate in a StorageRedundancyGroup. |
IsFormatted
|
boolean
|
|
Has the volume been formatted by SAN Volume Controller? |
IsSpaceEfficient
|
boolean
|
|
Indicates if any MirrorExtent associated with this StorageVolume is Space-Efficient. If the propertyis null then this volume can not be spaceefficient. |
Name
|
string
|
|
A unique identifier for the Volume. The Page 83 NAA6 type 3 ID. |
NameFormat
|
uint16
|
Unknown | 0 |
Other | 1 |
VPD83NAA6 | 2 |
VPD83NAA5 | 3 |
VPD83Type2 | 4 |
VPD83Type1 | 5 |
VPD83Type0 | 6 |
SNVM | 7 |
NodeWWN | 8 |
NAA | 9 |
EUI64 | 10 |
T10VID | 11 |
|
Note - this property originally touched on two concepts that are now separated into this property and NameNamespace. Values 2,3,4,5,6, and 8 are retained for backwards compatibility but are deprecated in lieu of the corresponding values in CIM_StorageVolume.NameNamespace. Format of the Name property. Values are (per SCSI SPC-3):2 = VPD Page 83, NAA IEEE Registered Extended (VPD83NAA6)(DEPRECATED)3 = VPD Page 83, NAA IEEE Registered (VPD83NAA5)(DEPRECATED)4 = VPD Page 83, (VPD83Type2) (DEPRECATED)5 = VPD Page 83,T10 Vendor Identification (VPD83Type1) (DEPRECATED)6 = VPD Page 83, Vendor Specific (VPD83Type0) (DEPRECATED)7 = Serial Number/Vendor/Model (SNVM) SNVM is 3 strings representing the vendor name, product name within the vendor namespace, and the serial number within the model namespace. Strings are delimited with a'+'. Spaces may be included and are significant. The serial number is the text representation of the serial number in hexadecimal upper case. Vendor and Model represent the vendor and model ID from SCSI Inquiry data, the vendor field must be 8 characters wide and theproduct field must be 16 characters wide. For example,'ACME +SUPER DISK +124437458'8 = Node WWN (for single LUN/controller) (NodeWWN)(DEPRECATED)9 = NAA as a generic format. Seehttp://standards.ieee.org/regauth/oui/tutorials/fibrecomp_id.html Formatted as 16 or 32 unseparated uppercase hex characters (2 per binary byte). For example'21000020372D3C73'10 = EUI as a generic format (EUI64) Seehttp://standards.ieee.org/regauth/oui/tutorials/EUI64.htmlFormatted as 16 unseparated uppercase hex characters (2 per binary byte)11 = T10 vendor identifier format as returned by SCSI Inquiry VPD page 83, identifier type 2. See T1- SPC-3 specification. The 8-byte ASCII vendor ID from the T10 registry followed by a vendor specific ASCII identifier; spaces are permitted. For non SCSI volumes,'SNVM'may be the most appropriate choice. |
NativeStatus
|
uint16
|
Offline | 0 |
Online | 1 |
Degraded | 2 |
Formatting | 3 |
|
The volume's native operational status. Can be either 0("Offline"), 1 ("Online"), 2("Degraded"), 3("Formatting") |
NoSinglePointOfFailure
|
boolean
|
|
Indicates whether or not there exists no single point of failure. |
NumberOfBlocks
|
uint64
|
|
Total number of logically contiguous blocks, of size Block Size, which form this Extent. The total size of the Extent can be calculated by multiplying BlockSize by NumberOfBlocks. If the BlockSize is 1, this property is the total size of the Extent. |
OperationalStatus
|
uint16
|
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 |
DMTF Reserved | .. |
Vendor Reserved | 0x8000.. |
|
The status of the volume. May be either2 ("OK") for"online"or3 ("Degraded") for"degraded"or 10 ("Stopped") for"offline"1 ("Other") for"formatting" |
OtherEnabledState
|
string
|
|
A string that describes the enabled or disabled state of the element when the EnabledState property is set to 1 ("Other"). This property must be set to null when EnabledState is any value other than 1. |
OtherIdentifyingInfo
|
string
|
|
OtherIdentifyingInfo captures additional data, beyond DeviceID information, that could be used to identify a LogicalDevice. One example would be to hold the Operating System's user friendly name for the Device in this property. |
OtherNameFormat
|
string
|
|
A string describing the format of the Name property when NameFormat includes the value 1,"Other". |
PackageRedundancy
|
uint16
|
|
How many physical packages can currently fail without data loss. For example, in the storage domain, this might be disk spindles. |
PoolID
|
string
|
|
The ID of the hosting storage pool. |
PoolName
|
string
|
|
The name of the pool from which this volume was allocated. |
PreferredNode
|
string
|
|
The ID of the preferred node. |
Primordial
|
boolean
|
|
If true,"Primordial"indicates that the containing System does not have the ability to create or delete this operational element. This is important because StorageExtents are assembled into higher-level abstractions using the BasedOn association. Although the higher-level abstractions can be created and deleted, the most basic, (that is. primordial), hardware-based storage entities cannot. They are physically realized as part of the System, or are actually managed by some other System and imported as if they were physically realized. In other words, a Primordial StorageExtent exists in, but is not created by its System and conversely a non-Primordial StorageExtent is created in the context of its System. For StorageVolumes, this property will generally be false. One use of this property is to enable algorithms that aggregate StorageExtent.ConsumableSpace across all, StorageExtents but that also want to distinquish the space that underlies Primordial StoragePools. Since implementations are notrequired to surface all Component StorageExtents of a StoragePool, this information is not accessible in any other way. |
Purpose
|
string
|
|
A free form string describing the media and/or its use. |
RequestedState
|
uint16
|
Enabled | 2 |
Disabled | 3 |
Shut Down | 4 |
No Change | 5 |
Offline | 6 |
Test | 7 |
Deferred | 8 |
Quiesce | 9 |
Reboot | 10 |
Reset | 11 |
Not Applicable | 12 |
DMTF Reserved | .. |
Vendor Reserved | 32768..65535 |
|
RequestedState is an integer enumeration that indicates the last requested or desired state for the element. The actual state of the element is represented by EnabledState. This property is provided to compare the last requested and current enabled or disabled states. When EnabledState is set to 5 ("Not Applicable"), then this property has no meaning. By default, the RequestedState of the element is 5 ("No Change"). Refer to the EnabledState property description for explanations of the values in the RequestedState enumeration.It should be noted that there are two new values in RequestedState that build on the statuses of EnabledState. These are"Reboot"(10) and"Reset"(11). Reboot refers to doing a"Shut Down"and then moving to an"Enabled"state. Reset indicates that the element is first"Disabled"and then"Enabled". The distinction between requesting"Shut Down"and"Disabled"should also be noted. Shut Down requests an orderly transition to the Disabled state, and might involve removing power, to completely erase any existing state. The Disabled state requests an immediate disabling of the element, such that it will not run or accept any commands or processing requests.This property is set as the result of a method invocation (such as Start or StopService on CIM_Service), or can be overridden and defined as WRITEable in a subclass. The method approach is considered superior to a WRITEable property, because it allows an explicit invocation of the operation and the return of a result code.A particular instance of EnabledLogicalElement might not support RequestedStateChange. If this occurs, the value 12 ("Not Applicable") is used. |
SCID
|
string
|
|
The remote copy ID of the volume. |
SCName
|
string
|
|
The remote copy name of the volume. |
SequentialAccess
|
boolean
|
|
Boolean set to TRUE if the Storage is sequentially accessed by a MediaAccessDevice. A TapePartition is an example of a sequentially accessed StorageExtent. StorageVolumes, Disk Partitions and LogicalDisks represent randomly accessed Extents. |
StatusDescriptions
|
string
|
|
Strings describing the various OperationalStatus array values. For example, if"Stopping"is the value assigned to OperationalStatus, then this property may contain an explanation as to why an object is being stopped. Entries in this array are correlated with those at the same array index in OperationalStatus. |
SyncRate
|
uint8
|
|
If a disk is mirrored, the synchronization rate controls the speed at which the mirrored copies keep themselves in sync. 100 = maximum speed, 0 = no synchronization |
Throttle
|
uint64
|
|
The maximum bandwidth of the volume. |
ThrottleMBS
|
boolean
|
|
If true, the units for Throttle are MB/s, otherwise they are IO/s |
Type
|
uint32
|
Sequential | 0 |
Striped | 1 |
Router | 2 |
Image | 3 |
Many | 4 |
|
The type of the volume. |
UniqueID
|
string
|
|
The unique ID of the volume. |
UnitDeviceID
|
uint16
|
|
The volume's Unit Device Identifier as defined by OpenVMS. Not available for SVC Clusters running pre v4.1.0 Firmware. |
Read Write |
Caption
|
string
|
|
The Caption property is a short textual description (one-line string) of the object. |
ElementName
|
string
|
|
The volume's user-friendly name. |