# Class CIM_StorageReplicationCapabilities
extends CIM_Capabilities

This subclass defines the replication capabilities of a StorageConfigurationService. Multiple instances of StorageReplicationCapabilities may be associated with a StorageConfigurationService using ElementCapabilities. A provider should create one instance for each supported SynchronizationType.

### Table of Contents
Hierarchy
Direct Known Subclasses
Class Qualifiers
Class Properties
Class Methods

## Class Hierarchy

CIM_ManagedElement
|
+--CIM_Capabilities
|
+--CIM_StorageReplicationCapabilities

## Direct Known Subclasses

## Class Qualifiers

Name | Data Type | Value
--- | --- | ---
Description | string | This subclass defines the replication capabilities of a StorageConfigurationService. Multiple instances of StorageReplicationCapabilities may be associated with a StorageConfigurationService using ElementCapabilities. A provider should create one instance for each supported SynchronizationType.
UMLPackagePath | string | CIM::Device::StorageServices
Version | string | 2.10.0

## Class Properties

### Local Class Properties

Name | Data Type | Default Value | Qualifiers
--- | --- | --- | ---
Name | Data Type | Value
AlternateReplicationServicePointAccess | uint16 |
Description | string | Remote replication provides StorageConfigurationService instances for source systems and target systems. A client determines that extrinsic methods of the service should be invoked to one instance or the other based on the value of this property. If the primary instance is unavailable, the provider may indicate an alternate instance. Values: None: no alternate exists. Source: invoke to source element service instance. Target: invoke to target element service instance. Proxy: find and invoke alternate proxy service instance.
ValueMap | string | 2, 3, 4, 5, .., 0x8000..
Values | string | None, Source, Target, Proxy, DMTF Reserved, Vendor Specific
BidirectionalConnectionsSupported | boolean |
Description | string | True indicates peer-to-peer connections are bi-directional. False indicates connections are uni-directional.
DeltaReplicaPoolAccess | uint16 |
Description | string | DeltaReplicaPool indicates that a specialized pool is required as a container for delta replica elements. Values: Any: delta replicas can be created in any pool. Exclusive: one specialized, exclusive pool must be created for each source element that has associated delta replicas. Shared: one specialized, shared pool must be created to be shared by all source elements with associated delta replicas.
ValueMap | string | 2, 3, 4, .., 0x8000..
Values | string | Any, Exclusive, Shared, DMTF Reserved, Vendor Specific
IncrementalDeltasSupported | boolean |
Description | string | True indicates all delta replicas associated with the same source element can be incrementally dependent. Only the oldest replica in the set may be deleted or resynced.
InitialReplicationState | uint16 |
Description | string | InitialReplicationState specifies which initial ReplicationState is supported by a particular provider. Values are: Initialized: The replication relationship is known and unsynchronized, but time required to synchronize may be long. Prepared: The replication relationship is known and unsynchronized and the time required to synchronize will be short. Synchronized: The replicas are synchronized.Idle: an UnSyncAssoc replica is ready to manage.
ModelCorrespondence | string | CIM_StorageConfigurationService.AttachReplica, CIM_StorageConfigurationService.AttachOrModifyReplica, CIM_StorageConfigurationService.CreateReplica
ValueMap | string | 2, 3, 4, 5, .., 0x8000..0xFFFF
Values | string | Initialized, Prepared, Synchronized, Idle, DMTF Reserved, Vendor Specific
InitialSynchronizationDefault | uint16 |
Description | string | Start or do not start background copy when replica is created.
ModelCorrespondence | string | CIM_StorageSetting.InitialSynchronization
ValueMap | string | 0, 1, 2, .., 0x8000..
Values | string | Not Managed, Start, Do Not Start, DMTF Reserved, Vendor Specific
LocalMirrorSnapshotSupported | boolean |
Description | string | True indicates local mirror can be snapshot source.
LowSpaceWarningThresholdDefault | uint8 |
Description | string | Warning threshold for generating an indication for RemainingManagedSpace. Value of zero means no warning generated.Triggered when RemainingManagedSpace <= (TotalManagedSpace*LowSpaceWarningThreshold)/100.
MaxValue | sint64 | 100
MinValue | sint64 | 0
ModelCorrespondence | string | CIM_StoragePool.LowSpaceWarningThreshold
PUnit | string | percent
Units | string | Percentage
MaximumConnectionsPerPort | uint16 |
Description | string | Maximum number of peer-to-peer connections to which a port maybe assigned.
MaximumLocalReplicationDepth | uint16 | 1
Description | string | Maximum local mirror replication depth allowed by this instance of StorageConfigurationService. Value 1 indicates multi-level replication not supported.
MaximumPeerConnections | uint16 |
Description | string | Maximum number of peer connections supported by this instance of StorageConfigurationService.
MaximumPortsPerConnection | uint16 |
Description | string | Maximum number of port pairs assigned to a peer-to-peer connection.
MaximumRemoteReplicationDepth | uint16 | 1
Description | string | Maximum remote mirror replication depth allowed by this instance of StorageConfigurationService. Value N means that remote replicas can span N linked peer-to-peer connections. Value 1 indicates multi-level replication not supported.
MaximumReplicasPerSource | uint16 |
Description | string | Maximum number of replicas that can be associated with one source element.
PeerConnectionProtocol | string |
Description | string | Peer connection protocol is a private, vendor-specific protocol for replication data transport. A client verifies that two peers support the same protocol before establishing a peer-to-peer connection.
PersistentReplicasSupported | boolean |
Description | string | True indicates replicas can persist during power off or system reset. False indicates replicas lost during these events.
RemoteBufferElementType | uint16 |
Description | string | Remote replication buffer elements are instances of CIM_Memory. A buffer element may be created from a component extent with a BasedOn association or in a storage pool with an AllocatedFromStoragePool association. The provider can also make the size and element type opaque to a client. Values: Not specified: client allows provider to determine size and container element type. InExtent: buffer must be created from passed component extent. InPool: buffer must be created in passed pool.
ValueMap | string | 0, 2, 3, .., 0x8000..
Values | string | Not specified, InExtent, InPool, DMTF Reserved, Vendor Specific
RemoteBufferHost | uint16 |
Description | string | Array provider may require multiple buffer elements per array instance as indicated by this property. Values: Array: one buffer element for the entire array. ComponentCS: one buffer element per ComputerSystem element in a clustered array. Pipe: one or two buffer elements per replication pipe.
ValueMap | string | 2, 3, 4, .., 0x8000..
Values | string | Array, ComponentCS, Pipe, DMTF Reserved, Vendor Specific
RemoteBufferLocation | uint16 |
Description | string | This property allows the provider to indicate the required location for remote buffer elements. Values: Source: buffer needed only on platforms hosting source elements. Target: buffer needed only on platforms hosting target elements. Both: buffers needed for both source and target platforms.
ValueMap | string | 2, 3, 4, .., 0x8000..
Values | string | Source, Target, Both, DMTF Reserved, Vendor Specific
RemoteBufferSupported | uint16 |
Description | string | Peer may require a write buffer for remote replica elements with async I/O buffering. Typically used to increase remote mirror replication engine performance while maintaining high availability. Values: Required: must have buffer if any Async remote replicas are created. Optional: may have buffer if any Async remote replicas are created.
ValueMap | string | 0, 2, 3, .., 0x8000..
Values | string | Not Supported, Required, Optional, DMTF Reserved, Vendor Specific
RemoteMirrorSnapshotSupported | boolean |
Description | string | True indicates remote mirror can be snapshot source.
RemoteReplicationServicePointAccess | uint16 |
Description | string | Remote replication provides StorageConfigurationService instances for source systems and target systems. A client determines that extrinsic methods of the service should be invoked to one instance or the other based on the value of this property. Values: Not Specified: invoke a method to either system instance. Source: invoke to source element service instance. Target: invoke to target element service instance. Proxy: find and invoke to proxy service instance.
ValueMap | string | 2, 3, 4, 5, .., 0x8000..
Values | string | Not Specified, Source, Target, Proxy, DMTF Reserved, Vendor Specific
ReplicaHostAccessibility | uint16 |
Description | string | Indicates host access restrictions for replicas with thesecapabilities. Values: 2 = not accessible. 3 = no restrictions. Any host may access. 4 = only accessible by associated source element hosts. 5 = not accessible by source element hosts. Other hosts OK.
ValueMap | string | 2, 3, 4, 5, ..
Values | string | Not Accessible, No Restrictions, Source Hosts Only, Source Hosts Excluded, DMTF Reserved
ReplicationPriorityDefault | uint16 |
Description | string | ReplicationPriority allows the priority of background Replication I/O to be managed relative to host I/O. Default applies to initial or deferred background Replication operations. Value can be modified while in Replication-in-progress state. Values: Low: Replication engine I/O lower priority than host I/O. Same: Replication engine I/O has the same priority as host I/O. High: Replication engine I/O has higher priority than host I/O.
ModelCorrespondence | string | CIM_StorageSetting.ReplicationPriority
ValueMap | string | 0, 1, 2, 3, .., 0x8000..
Values | string | Not Managed, Low, Same, High, DMTF Reserved, Vendor Specific
SpaceLimitSupported | boolean |
Description | string | True indicates space limits on allocation from StoragePools may be enforced.
ModelCorrespondence | string | CIM_AllocatedFromStoragePool.SpaceLimit
SpaceLimitWarningThresholdDefault | uint8 |
Description | string | Warning threshold for instance modification indication for SpaceConsumed by a replica element. Value of zero means no warning generated. Triggered when SpaceConsumed >= (SpaceLimit*SpaceLimitWarningThreshold)/100.
MaxValue | sint64 | 100
MinValue | sint64 | 0
ModelCorrespondence | string | CIM_AllocatedFromStoragePool.SpaceLimitWarningThreshold
PUnit | string | percent
Units | string | Percentage
SpaceReservationSupported | boolean |
Description | string | True indicates space reserved for replicas can be from a specialized pool.
SupportedSynchronizationType | uint16 |
Description | string | SupportedSynchronizationType describes the type of Synchronization that is characterized by this instance of StorageReplicationCapabilities. Values are: Async: create a mirror that is nearly always synchronized. Sync: create a mirror that is always synchronized. UnSyncAssocFull: create a full size snapshot (Point In Time image). UnSyncAssocDelta: create a delta snapshot (Point In Time image). UnSyncUnAssoc: create a full size, independent replica.
ValueMap | string | 2, 3, 4, 5, 6, .., 32768..65535
Values | string | Async, Sync, UnSyncAssoc-Full, UnSyncAssoc-Delta, UnSyncUnAssoc, DMTF Reserved, Vendor Specific
UseReplicationBufferDefault | uint16 |
Description | string | Indicate if an async remote replica pair is allowed to use a write buffer for asynchronous write buffering. - Not Managed: use or not of the buffer is up to the implementation. - Use Buffer: use of a buffer is required. - Do Not Use Buffer: a buffer shall not be used.
ModelCorrespondence | string | CIM_StorageSetting.UseReplicationBuffer
ValueMap | string | 0, 1, 2, .., 0x8000..
Values | string | Not Managed, Use Buffer, Do Not Use Buffer, DMTF Reserved, Vendor Specific
HostAccessibleState | uint16[] |
Description | string | Lists the replica synchronization states in which the provider allows host access to replicas. Accessibility does not guarantee replica contents are valid or consistent.
ModelCorrespondence | string | CIM_StorageSynchronized.SyncState
ValueMap | string | 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, .., 0x8000..
Values | string | Initialized, Prepare In Progress, Prepared, Resync In Progress, Synchronized, Fracture In Progress, Quiesce In Progress, Quiesced, Restore In Progress, Idle, Broken, Fractured, Frozen, Copy In Progress, DMTF Reserved, Vendor Specific
SupportedAsynchronousActions | uint16[] |
Description | string | Enumeration indicating what operations will be executed as asynchronous jobs. If an operation is included in both this and SupportedSynchronousActions then the underlying implementation is indicating that it may or may not create a job.
ModelCorrespondence | string | CIM_StorageReplicationCapabilities.SupportedSynchronousActions
ValueMap | string | 2, 3, 4, 5, 6, 7, 8, ..
Values | string | Local Replica Creation, Remote Replica Creation, Local Replica Modification, Remote Replica Modification, Local Replica Attachment, Remote Replica Attachment, Buffer Creation, DMTF Reserved
SupportedModifyOperations | uint16[] |
Description | string | Enumeration indicating which ModifySynchronization operations are supported by this instance of StorageReplicationCapabilities.
ModelCorrespondence | string | CIM_StorageConfigurationService.ModifySynchronization
ValueMap | string | 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, .., 0x8000..0xFFFF
Values | string | Detach, Fracture, Resync, Restore, Prepare, Unprepare, Quiesce, Unquiesce, Reset To Sync, Reset To Async, Start Copy, Stop Copy, DMTF Reserved, Vendor Specific
SupportedSpecializedElements | uint16[] |
Description | string | Enumeration indicating which specialized storage element types are supported by this instance of StorageReplicationCapabilities. Specialized types are indicated by the value of the IntendedUsage in StorageSetting.
ValueMap | string | 2, 3, 4, 5, 6, 7, 8, .., 0x8000..0xFFFF
Values | string | Delta Pool, Delta Pool Component, Remote Mirror, Local Mirror, Full Snapshot, Delta Snapshot, Replication Buffer, DMTF Reserved, Vendor Specific
SupportedSynchronousActions | uint16[] |
Description | string | Enumeration indicating what operations will be executed without the creation of a job. If an operation is included in both this and SupportedAsynchronousActions then the underlying instrumentation is indicating that it may or may not create a job.
ModelCorrespondence | string | CIM_StorageReplicationCapabilities.SupportedAsynchronousActions
ValueMap | string | 2, 3, 4, 5, 6, 7, 8, 9, ..
Values | string | Local Replica Creation, Remote Replica Creation, Local Replica Modification, Remote Replica Modification, Local Replica Attachment, Remote Replica Attachment, Buffer Creation, NetworkPipe Creation, DMTF Reserved

### Inherited Properties

Name | Data Type | Class Origin
--- | --- | ---
Caption | string | CIM_ManagedElement
Description | string | CIM_ManagedElement
ElementName | string | CIM_Capabilities
Generation | uint64 | CIM_ManagedElement
InstanceID | string | CIM_Capabilities

## Class Methods

### Inherited Class Methods

Name | Return Type | Class Origin
--- | --- | ---
CreateGoalSettings | uint16 | CIM_Capabilities