New-SRPartnership
Creates a replication partnership between two replication groups.
Syntax
New-SRPartnership
[[-SourceComputerName] <String>]
[-SourceRGName] <String>
[-DestinationComputerName] <String>
[-DestinationRGName] <String>
[[-ReplicationMode] <ReplicationMode>]
[-PreventReplication]
[-Seeded]
[[-AsyncRPO] <UInt32>]
[-EnableEncryption]
[-EnableCompression]
[-Force]
[-CimSession <CimSession[]>]
[-ThrottleLimit <Int32>]
[-AsJob]
[<CommonParameters>]New-SRPartnership
[[-SourceComputerName] <String>]
[-SourceRGName] <String>
[-SourceVolumeName] <String[]>
[-SourceLogVolumeName] <String>
[[-SourceRGDescription] <String>]
[-DestinationComputerName] <String>
[-DestinationRGName] <String>
[-DestinationVolumeName] <String[]>
[-DestinationLogVolumeName] <String>
[[-DestinationRGDescription] <String>]
[[-ReplicationMode] <ReplicationMode>]
[[-LogSizeInBytes] <UInt64>]
[-PreventReplication]
[-Seeded]
[-EnableConsistencyGroups]
[[-AsyncRPO] <UInt32>]
[-EnableEncryption]
[-EnableCompression]
[-Force]
[-CimSession <CimSession[]>]
[-ThrottleLimit <Int32>]
[-AsJob]
[<CommonParameters>]Description
The New-SRPartnership cmdlet creates a replication partnership between two new or existing
replication groups. This cmdlet can create the complete replication topology. It can also tie
together separately created replication groups.
Note
The EnableCompression parameter is only available in Azure Stack HCI version 22H2 or later, and Windows Server Datacenter: Azure Edition beginning with the 2022-09 Cumulative Update for Microsoft server operating system version 21H2 for x64-based Systems (KB5017381).
Examples
Example 1: Create a topology between two servers
$Parameters = @{
SourceComputerName = 'SR-SRV05'
SourceRGName = 'ReplicationGroup01'
SourceVolumeName = 'D:'
SourceLogVolumeName = 'E:'
DestinationComputerName = 'SR-SRV06'
DestinationRGName = 'ReplicationGroup02'
DestinationVolumeName = 'D:'
DestinationLogVolumeName = 'E:'
}
New-SRPartnership @ParametersThis command creates a replication topology between servers SR-SRV05 and SR-SRV06. The
SR-SRV05 server is the source and SR-SRV06 is the destination, with volume D: used as both
the source and destination. The E: volume contains the logs for this partnership. The log has the
default value of 8GB. As the replication mode has not been specified, it will use the default value
of synchronous. The command does not specify seeding, encryption, and consistency groups.
Replication will start immediately.
This example uses splatting to pass parameter values from the $Parameters variable to the command.
Learn more about Splatting.
Example 2: Pair existing groups
$Parameters = @{
SourceComputerName = 'SR-SRV05'
SourceRGName = 'ReplicationGroup01'
DestinationComputerName = 'SR-SRV06'
DestinationRGName = 'ReplicationGroup02'
}
New-SRGroup -ComputerName "SR-SRV05" -Name "ReplicationGroup01" -VolumeName "D:" -LogVolumeName "E:"
New-SRGroup -ComputerName "SR-SRV06" -Name "ReplicationGroup02" -VolumeName "D:" -LogVolumeName "E:"
New-SRPartnership @Parameters"This example creates two replication groups separately and then creates a partnership between those groups.
Parameters
-AsJob
Runs the cmdlet as a background job. Use this parameter to run commands that take a long time to complete.
| Type: | SwitchParameter |
| Position: | Named |
| Default value: | None |
| Required: | False |
| Accept pipeline input: | False |
| Accept wildcard characters: | False |
-AsyncRPO
Specifies the maximum difference in time, in seconds, that data for an asynchronous partnership can be different between source and destination. This is a Recovery Point Objective. The minimum value is 30 seconds. The default value is 5 minutes.
After exceeding this time, the source server alerts the Health Service on clusters. It logs event 1239 in the Storage Replica Admin event log channel. If the RPO time is lower than the configured time, event 1240 is logged.
| Type: | UInt32 |
| Aliases: | RPO |
| Position: | 51 |
| Default value: | None |
| Required: | False |
| Accept pipeline input: | False |
| Accept wildcard characters: | False |
-CimSession
Runs the cmdlet in a remote session or on a remote computer. Enter a computer name or a session object, such as the output of a New-CimSession or Get-CimSession cmdlet. The default is the current session on the local computer.
| Type: | CimSession[] |
| Aliases: | Session |
| Position: | Named |
| Default value: | None |
| Required: | False |
| Accept pipeline input: | False |
| Accept wildcard characters: | False |
-DestinationComputerName
Specifies a single replica host computer NetBIOS name or fully qualified domain name (FQDN) of the destination computer.
| Type: | String |
| Aliases: | DCN |
| Position: | 2 |
| Default value: | None |
| Required: | True |
| Accept pipeline input: | True |
| Accept wildcard characters: | False |
-DestinationLogVolumeName
Specifies a drive letter, mount point path, or volume GUID where Storage Replication creates destination replication logs. The volume must contain an NTFS-formatted volume or ReFS-formatted volume. The path must exist. The path cannot be a mapped drive or UNC path.
Storage Replication creates logs in the System Volume Information folder.
| Type: | String |
| Aliases: | DLV |
| Position: | 8 |
| Default value: | None |
| Required: | True |
| Accept pipeline input: | True |
| Accept wildcard characters: | False |
-DestinationRGDescription
Specifies a description for the destination replication group.
| Type: | String |
| Aliases: | DGD |
| Position: | 9 |
| Default value: | None |
| Required: | False |
| Accept pipeline input: | False |
| Accept wildcard characters: | False |
-DestinationRGName
Specifies a name for the destination replication group.
| Type: | String |
| Aliases: | DGN |
| Position: | 3 |
| Default value: | None |
| Required: | True |
| Accept pipeline input: | True |
| Accept wildcard characters: | False |
-DestinationVolumeName
Specifies an array of drive letters or mount point paths of partitions for the replica. The volumes must exist. The volumes cannot be mapped drives or UNC paths. You can omit the colon symbol when you specify drive letters.
This is an ordered list. The order of volumes determines the order of replication.
For instance, to replicate the F: and H: drives on one server to the F: and H: drives of another
server, specify the following values:
-SourceVolumeName "F:","H:" -DestinationVolumeName "F:","H:"
To replicate F: to H: instead, specify the following values:
-SourceVolumeName "F:","H:" -DestinationVolumeName "H:","F:"
We do not recommend replicating different drive letters or mount point paths. The practice can cause application failures because of stored settings after a failover occurs.
| Type: | String[] |
| Aliases: | DVN |
| Position: | 7 |
| Default value: | None |
| Required: | True |
| Accept pipeline input: | True |
| Accept wildcard characters: | False |
-EnableCompression
Indicates that the connections in this partnership should use SMB compression for data transfer.
This parameter only applies to Azure Stack HCI version 22H2 or later, and Windows Server Datacenter: Azure Edition beginning with the 2022-09 Cumulative Update for Microsoft server operating system version 21H2 for x64-based Systems (KB5017381).
| Type: | SwitchParameter |
| Aliases: | ECMP |
| Position: | 99 |
| Default value: | None |
| Required: | False |
| Accept pipeline input: | False |
| Accept wildcard characters: | False |
-EnableConsistencyGroups
Indicates that consistency groups are enabled for the replication group that contains multiple volumes. Consistency groups provide write ordering. This can be important, for example, for replication of application data on multiple volumes. If you enable consistency groups, it may decrease replication and write Input/Output performance.
| Type: | SwitchParameter |
| Aliases: | EC |
| Position: | 14 |
| Default value: | None |
| Required: | False |
| Accept pipeline input: | False |
| Accept wildcard characters: | False |
-EnableEncryption
Indicates that this partnership should encrypt connections by using SMB AES-128-GCM. Enabling encryption can protect Storage Replica block transfers from man-in-the-middle interception or reading. Enabling encryption decreases replication and write Input/Output performance.
| Type: | SwitchParameter |
| Aliases: | EE |
| Position: | 99 |
| Default value: | None |
| Required: | False |
| Accept pipeline input: | False |
| Accept wildcard characters: | False |
-Force
Forces the command to run without asking for user confirmation.
| Type: | SwitchParameter |
| Aliases: | F |
| Position: | 100 |
| Default value: | None |
| Required: | False |
| Accept pipeline input: | False |
| Accept wildcard characters: | False |
-LogSizeInBytes
Specifies the aggregate size of log files on each server in the replication group for the volumes that are associated with this replication group. The minimum size 512MB. You can specify a value by using the Windows PowerShell byte conversion capability, such as 4GB or 3200MB. A value that is too small may cause decreased replication performance or increased recovery time after an interruption between computers.
| Type: | UInt64 |
| Aliases: | LS |
| Position: | 11 |
| Default value: | None |
| Required: | False |
| Accept pipeline input: | False |
| Accept wildcard characters: | False |
-PreventReplication
Indicates that this cmdlet prevent replication from starting immediately. By default, replication
starts automatically at the time that you create the partnership. To start replication later, use
the Sync-SRGroup cmdlet.
| Type: | SwitchParameter |
| Aliases: | P |
| Position: | 5 |
| Default value: | None |
| Required: | False |
| Accept pipeline input: | False |
| Accept wildcard characters: | False |
-ReplicationMode
Specifies the desired mode of replication for this source and destination pair. The acceptable values for this parameter are:
- Synchronous or 1. The synchronous mode requires all writes to commit on the destination server and on the source server, which guarantees data integrity between computers.
- Asynchronous or 2. The asynchronous mode writes to the source server without waiting for the destination server, which allows for replication over high latency, geographic networks.
The default value is synchronous.
The default asynchronous recovery point alert time is 5 minutes. You can modify it by using the
Set-SRPartnership cmdlet. The alert time has no effect on replication behavior, only on reporting.
| Type: | ReplicationMode |
| Aliases: | RM |
| Accepted values: | Synchronous, Asynchronous |
| Position: | 4 |
| Default value: | None |
| Required: | False |
| Accept pipeline input: | False |
| Accept wildcard characters: | False |
-Seeded
Indicates that the destination server contains a seeded copy of the data from the source server. Seeded data is defined as a copy of data from the source server that has a high similarity, such as mostly empty blocks, restoring a recent backup, or shipping cloned copies of disks to the destination server.
Seeding is most effective when using a previous copy of the storage, such as a split mirror or previously replicated drives, or when the storage is mostly empty and was always empty, such as a recently initialized drive with a newly formatted volume. Seeding is somewhat effective with data that came from a backup restore or a complete tree copy of data or from copies of very large files.
Seeding is least effective when copying large numbers of small files from some random locations to some other random locations. Storage Replica automatically uses seeding when it restarts replication after a long outage that wrapped the logs.
| Type: | SwitchParameter |
| Aliases: | S |
| Position: | 6 |
| Default value: | None |
| Required: | False |
| Accept pipeline input: | False |
| Accept wildcard characters: | False |
-SourceComputerName
Specifies a single replica host computer NetBIOS name or FQDN of the source computer. The default value is the local computer.
| Type: | String |
| Aliases: | SCN |
| Position: | 0 |
| Default value: | None |
| Required: | False |
| Accept pipeline input: | True |
| Accept wildcard characters: | False |
-SourceLogVolumeName
Specifies a drive letter, mount point path, or volume GUID where Storage Replication creates source replication logs. The volume must contain an NTFS-formatted volume or ReFS-formatted volume. The path must exist. The path cannot be a mapped drive or UNC path.
Storage Replication creates logs in the System Volume Information folder.
| Type: | String |
| Aliases: | SLN |
| Position: | 3 |
| Default value: | None |
| Required: | True |
| Accept pipeline input: | True |
| Accept wildcard characters: | False |
-SourceRGDescription
Specifies a description for the source replication group.
| Type: | String |
| Aliases: | SGD |
| Position: | 4 |
| Default value: | None |
| Required: | False |
| Accept pipeline input: | False |
| Accept wildcard characters: | False |
-SourceRGName
Specifies the name of the source replication group.
| Type: | String |
| Aliases: | SGN |
| Position: | 1 |
| Default value: | None |
| Required: | True |
| Accept pipeline input: | True |
| Accept wildcard characters: | False |
-SourceVolumeName
Specifies an array of drive letters or mount point paths of partitions for the replica. The volumes must exist. The volumes cannot be mapped drives or UNC paths.
This is an ordered list. The order of volumes determines the order of replication. For more information, see the DestinationVolumeName parameter.
| Type: | String[] |
| Aliases: | SVN |
| Position: | 2 |
| Default value: | None |
| Required: | True |
| Accept pipeline input: | True |
| Accept wildcard characters: | False |
-ThrottleLimit
Specifies the maximum number of concurrent operations that can be established to run the cmdlet. If
this parameter is omitted or a value of 0 is entered, then Windows PowerShell® calculates an
optimum throttle limit for the cmdlet based on the number of CIM cmdlets that are running on the
computer. The throttle limit applies only to the current cmdlet, not to the session or to the
computer.
| Type: | Int32 |
| Position: | Named |
| Default value: | None |
| Required: | False |
| Accept pipeline input: | False |
| Accept wildcard characters: | False |
Outputs
replicationgroups