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MSISCSITARGET_StorageSynchronized class

Associates two storage objects in a replication relationship.

The following syntax is simplified from Managed Object Format (MOF) code and includes all of the inherited properties.

Syntax

class MSISCSITARGET_StorageSynchronized : CIM_StorageSynchronized
{
  CIM_ManagedElement REF SystemElement;
  CIM_ManagedElement REF SyncedElement;
  uint16                 CopyType;
  uint16                 ReplicaType;
  uint16                 SyncState;
  uint16                 CopyPriority;
  uint16                 CopyMethodology;
  uint16                 UndiscoveredElement;
  uint16                 ReadOnly;
  datetime               WhenSynced;
  boolean                SyncMaintained;
  uint16                 CopyState;
  uint16                 Mode;
  uint16                 PercentSynced;
  uint16                 ProgressStatus;
  uint16                 RequestedCopyState = 15;
  uint16                 SyncType;
  datetime               WhenActivated;
  datetime               WhenDeactivated;
  datetime               WhenEstablished;
  datetime               WhenSuspended;
  datetime               WhenSynchronized;
  uint16                 CopyRecoveryMode;
  boolean                FailedCopyStopsHostIO = FALSE;
};

Members

The MSISCSITARGET_StorageSynchronized class has these types of members:

Properties

The MSISCSITARGET_StorageSynchronized class has these properties.

CopyMethodology
Data type: uint16
Access type: Read-only

Indicates the copy methodology that the service uses to create and to maintain the replica.

ValuesMeaning
Not Specified
0

The methodology is not specified.

Other
1

The methodology is not listed.

Implementation decides
2

The methodology is determined by the implementation.

Full Copy
3

A full copy of the source object is generated.

Incremental-Copy
4

Only changes to the source are copied to the replica.

Differential-Copy
5

Only the new write operations to the source are copied to the replica.

Copy-On-Write
6

Data is copied on the first write operation to the source or to the replica.

Copy-On-Access
7

Data is copied on the first access to the source element.

Delta-Update
8

A difference-based replication where only updates to source are copied to target after the initial copy is complete.

Snap-And-Clone
9

The methologoy creates a snapshot of the source element first, then uses the snapshot as the source of the copy operation to the replica.

DMTF Reserved
10–0x7FFF

Reserved.

Vendor Specific
0x8000–0xFFFF

Reserved.

 

This property is inherited from the CIM_StorageSynchronized class.

CopyPriority
Data type: uint16
Access type: Read/write

Specifies the priority of background copy engine I/O relative to host I/O during a sequential background copy operation.

The possible values are.

ValueMeaning
Not Managed
0
Low
1
Same
2
High
3
Urgent
4
DMTF Reserved
5–0x7FFF

Reserved.

Vendor Specific
0x8000–0xFFFF

Reserved.

 

This property is inherited from the CIM_StorageSynchronized class.

CopyRecoveryMode
Data type: uint16
Access type: Read-only

Indicates whether the copy operation continues after a broken link is restored.

ValuesMeaning
Unknown
0

Unknown.

Automatic
2

The copy operation resumes automatically.

Manual
3

The CopyState property is set to Suspended after the link is restored. To restart the copy operation, use the MSISCSITARGET_StorageConfigurationService.ModifySynchronization method to perform the Resume operation.

DMTF Reserved
4–32767

Reserved.

Vendor Specific
32768–65535

Reserved.

 

This property is inherited from the CIM_Synchronized class.

CopyState
Data type: uint16
Access type: Read-only

Indicates the state of replication activity between the associated elements.

ValuesMeaning
Initialized
2

The link to enable replication is established and source and replica elements are associated, but the data flow has not started.

Unsynchronized
3

Not all the source element data is copied to the replica element.

Synchronized
4

For a Mirror, Snapshot, or Clone replication, the target represents a copy of the source.

Broken
5

The relationship is non-functional due to errors.

Fractured
6

The target is split from the source.

Split
7

The target element is gracefully split from its source element, and consistency is guaranteed.

Inactive
8

The data flow is stopped. Data written to the source element is not sent to the target element.

Suspended
9

The data flow is stopped. Data written to the source element is held until the association is Resumed.

Failedover
10

The source element is not reachable. Data read operations and data write operations go instead to or from the target element.

Prepared
11

Initialization is completed. The data flow is not started, but can be started.

Aborted
12

The copy operation is aborted with the Abort operation. To restart the copy operation, use the MSISCSITARGET_StorageConfigurationService.ModifySynchronization method to perform the ResyncReplica operation.

Skewed
13

The target is modified and is no longer synchronized with the source element or the point-in-time view.

Mixed
14

Indicates that the MSISCSITARGET_StorageSynchronized associations of the elements in the synchronization groups have different CopyState values.

Not Applicable
15

Not applicable.

Partitioned
16

The state of the replication relationship cannot be determined.

Invalid
17

The state of the replication relationship cannot be determined.

DMTF Reserved
16–0x7FFF

Reserved.

Vendor Specific
0x8000–0xFFFF

Reserved.

 

This property is inherited from the CIM_Synchronized class.

CopyType
Data type: uint16
Access type: Read-only

Indicates the replication policy.

ValuesMeaning
Async
2

Creates and maintains an asynchronous copy of the source.

Sync
3

Creates and maintains a synchronized copy of the source.

UnSyncAssoc
4

Creates an unsynchronized copy and maintains an association to the source.

UnSyncUnAssoc
5

Creates an unsynchronized copy and deletes the association to the source when the copy operation is completed.

DMTF Reserved
6–0x7FFF

Reserved.

Vendor Specific
0x8000 ≤ value

Reserved.

 

This property is inherited from the CIM_StorageSynchronized class.

FailedCopyStopsHostIO
Data type: boolean
Access type: Read-only

If set to True, the storage array signals the host to stop sending data to the source element if copying to a remote element fails.

This property is inherited from the CIM_Synchronized class.

Mode
Data type: uint16
Access type: Read-only

Indicates the replication mode. Set to NULL, if the mode is set by the implementation.

The possible values are.

Unknown (0)
Synchronous (2)
Asynchronous (3)
DMTF Reserved (4–32767)
Vendor Specific (32768–65535)

This property is inherited from the CIM_Synchronized class.

PercentSynced
Data type: uint16
Access type: Read-only

Indicates the percent of the work completed to reach synchronization. Set to NULL if the implementation is incapable of providing this information.

This property is inherited from the CIM_Synchronized class.

ProgressStatus
Data type: uint16
Access type: Read-only

Indicates the status of the replication activity between the associated elements.

The possible values are.

Unknown (0)
Completed (2)
Dormant (3)
Initializing (4)
Preparing (5)
Synchronizing (6)
Resyncing (7)
Restoring (8)
Fracturing (9)
Splitting (10)
Failing over (11)
Failing back (12)
Aborting (13)
Mixed (14)
Not Applicable (15)
Suspending (16)
Requires fracture (17)
Requires resync (18)
Requires activate (19)
Pending (20)
Detaching (21)
DMTF Reserved (22–0x7FFF)
Vendor Specific (0x8000 ≤ value )

This property is inherited from the CIM_Synchronized class.

ReadOnly
Data type: uint16
Access type: Read-only

Indicates whether the host has read-only access to one or both elements.

The possible values are.

SystemElement (2)
SyncedElement (3)
Both (4)
DMTF Reserved (5–0x7FFF)
Vendor Specific (0x8000 ≤ value )

This property is inherited from the CIM_StorageSynchronized class.

ReplicaType
Data type: uint16
Access type: Read-only

Indicates how the replica is maintained.

ValuesMeaning
Not Specified
0

Not specified.

Full Copy
2

The replica is a full copy of the source.

Before Delta
3

The source object is maintained as delta data from the replica object.

After Delta
4

The replica is maintained as delta data from the source object.

Log
5

The replica object is maintained as a log of changes to the source object.

6–0x7FFF

Reserved.

0x8000 ≤ value

Reserved.

 

This property is inherited from the CIM_StorageSynchronized class.

RequestedCopyState
Data type: uint16
Access type: Read-only

Indicates the last requested state for the association. The actual state of the association is indicated by the CopyState property. This property is set to Not Applicable when the CopyState property reaches the requested state.

The possible values are.

Initialized (2)
Unsynchronized (3)
Synchronized (4)
Broken (5)
Fractured (6)
Split (7)
Inactive (8)
Suspended (9)
Failedover (10)
Prepared (11)
Aborted (12)
Skewed (13)
Mixed (14)
Not Applicable (15)
Partitioned (16)
Invalid (17)
DMTF Reserved (16–0x7FFF)
Vendor Specific (0x8000–0xFFFF)

This property is inherited from the CIM_Synchronized class.

SyncedElement
Data type: CIM_ManagedElement
Access type: Read-only
Qualifiers: Key

Indicates the replica storage object.

This property is inherited from the CIM_StorageSynchronized class.

SyncMaintained
Data type: boolean
Access type: Read-only

Indicates whether synchronization is maintained.

This property is inherited from the CIM_Synchronized class.

SyncState
Data type: uint16
Access type: Read-only

Indicates the state of the association with respect to replication activity.

ValuesMeaning
Initialized
2

The source and replica elements are associated, but the copy engine has not started.

Prepare In Progress
3

The preparation for replication is in progress and the copy engine has started.

Prepared
4

All necessary preparation is completed.

Resync In Progress
5

A synchronization or re-synchronization is in progress.

Synchronized
6

The source and replica are currently synchronized.

Fracture In Progress
7

An operation to fracture a replication is in progress.

Quiesce In Progress
8

A quiesce operation is in progress.

Quiesced
9

The replication is quiesced and is ready for a change.

Restore In Progress
10

An operation is in progress to copy the replica to the source.

Idle
11

There is no operation in progress. This is the normal state of the replication when the CopyType property is set to UnSyncAssoc.

Broken
12

The replication is non-functional due to errors.

Fractured
13

The replication is fractured.

Frozen
14

All blocks are copied from the source to an UnSyncAssoc replica, and the copy engine is stopped.

Copy In Progress
15

A background copy operation is in progress to copy the source to an UnSyncAssoc replica.

DMTF Reserved
16–0x7FFF

Reserved.

Vendor Specific
0x8000–0xFFFF

Reserved.

 

This property is inherited from the CIM_StorageSynchronized class.

SyncType
Data type: uint16
Access type: Read-only

Indicates the type of the replication.

ValuesMeaning
DMTF Reserved
value ≤ 5

Reserved.

Mirror
6

Creates and maintains a copy of the source.

Snapshot
7

Creates a point-in-time, virtual copy the source.

Clone
8

Creates a point-in-time, full copy the source.

DMTF Reserved
9–0x7FFF

Reserved.

Vendor Specific
0x8000 ≤ value

Reserved.

 

This property is inherited from the CIM_Synchronized class.

SystemElement
Data type: CIM_ManagedElement
Access type: Read-only
Qualifiers: Key

Indicates the source storage object.

This property is inherited from the CIM_StorageSynchronized class.

UndiscoveredElement
Data type: uint16
Access type: Read-only

Indicates whether one or both elements involved in a copy operation are undiscovered. An element is considered undiscovered if the service that performs the copy operation does not have information about the object model of the element. The value is set to NULL if both elements are discovered.

The possible values are.

SystemElement (2)
SyncedElement (3)
Both (4)
DMTF Reserved (5–0x7FFF)
Vendor Specific (0x8000 ≤ value )

This property is inherited from the CIM_StorageSynchronized class.

WhenActivated
Data type: datetime
Access type: Read-only

Indicates when the replication association is activated, reactivated, resumed, or re-established.

A value of NULL indicates the implementation is incapable of providing this information. A value of zero indicates the information is not known.

This property is inherited from the CIM_Synchronized class.

WhenDeactivated
Data type: datetime
Access type: Read-only

Indicates when the association is deactivated.

A value of NULL indicates the implementation is incapable of providing this information. A value of zero indicates the information is not known.

This property is inherited from the CIM_Synchronized class.

WhenEstablished
Data type: datetime
Access type: Read-only

Indicates when the association is established.

A value of NULL indicates the implementation is incapable of providing this information. A value of zero indicates the information is not known.

This property is inherited from the CIM_Synchronized class.

WhenSuspended
Data type: datetime
Access type: Read-only

Indicates when the association is suspended.

A value of NULL indicates the implementation is incapable of providing this information. A value of zero indicates the information is not known.

This property is inherited from the CIM_Synchronized class.

WhenSynced
Data type: datetime
Access type: Read-only

Indicates the point-in-time that the elements were synchronized.

This property is inherited from the CIM_Synchronized class.

WhenSynchronized
Data type: datetime
Access type: Read-only

Indicates when the CopyState property is set to a value of Synchronized.

A value of NULL indicates the implementation is incapable of providing this information. A value of zero indicates the information is not known.

This property is inherited from the CIM_Synchronized class.

Requirements

Minimum supported client

None supported

Minimum supported server

Windows Server 2012 R2

Namespace

Root\cimv2\storage\iscsitarget

MOF

SmIscsiTarget.mof

See also

iSCSI Target Server Reference
MSISCSITARGET_StorageConfigurationService
MSISCSITARGET_StorageSynchronized

 

 

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