Examples/CreateAndConfigureDAG/CreateAndConfigureDAG.ps1
|
<#
.EXAMPLE This example shows how to configure databases manually. #> $ConfigurationData = @{ AllNodes = @( # Settings under 'NodeName = *' apply to all nodes. @{ NodeName = '*' }, # Individual target nodes are defined next @{ NodeName = 'e15-1' Role = 'FirstDAGMember' DAGId = 'DAG1' # Used to determine which DAG settings the servers should use. Corresponds to DAG1 hashtable entry below. } @{ NodeName = 'e15-2' Role = 'AdditionalDAGMember' DAGId = 'DAG1' } @{ NodeName = 'e15-3' Role = 'AdditionalDAGMember' DAGId = 'DAG1' } @{ NodeName = 'e15-4' Role = 'AdditionalDAGMember' DAGId = 'DAG1' } ); # Settings that are unique per DAG will go in separate hash table entries. DAG1 = @( @{ ###DAG Settings### DAGName = 'TestDAG1' AutoDagTotalNumberOfServers = 4 AutoDagDatabaseCopiesPerVolume = 2 DatabaseAvailabilityGroupIPAddresses = '192.168.1.99', '192.168.2.99' WitnessServer = 'e14-1.contoso.local' # xDatabaseAvailabilityGroupNetwork params # New network params DAGNet1NetworkName = 'MapiNetwork' DAGNet1ReplicationEnabled = $false DAGNet1Subnets = '192.168.1.0/24', '192.168.2.0/24' DAGNet2NetworkName = 'ReplNetwork' DAGNet2ReplicationEnabled = $true DAGNet2Subnets = '10.10.10.0/24', '10.10.11.0/24' # Old network to remove OldNetworkName = 'MapiDagNetwork' } ); } Configuration Example { param ( [Parameter(Mandatory = $true)] [System.Management.Automation.PSCredential] $ExchangeAdminCredential ) Import-DscResource -Module xExchange # This section only configures a single DAG node, the first member of the DAG. # The first member of the DAG will be responsible for DAG creation and maintaining its configuration Node $AllNodes.Where{$_.Role -eq 'FirstDAGMember'}.NodeName { $dagSettings = $ConfigurationData[$Node.DAGId] # Look up and retrieve the DAG settings for this node # Create the DAG xExchDatabaseAvailabilityGroup DAG { Name = $dagSettings.DAGName Credential = $ExchangeAdminCredential AutoDagTotalNumberOfServers = $dagSettings.AutoDagTotalNumberOfServers AutoDagDatabaseCopiesPerVolume = $dagSettings.AutoDagDatabaseCopiesPerVolume AutoDagDatabasesRootFolderPath = 'C:\ExchangeDatabases' AutoDagVolumesRootFolderPath = 'C:\ExchangeVolumes' DatacenterActivationMode = 'DagOnly' DatabaseAvailabilityGroupIPAddresses = $dagSettings.DatabaseAvailabilityGroupIPAddresses ManualDagNetworkConfiguration = $true ReplayLagManagerEnabled = $true SkipDagValidation = $true WitnessDirectory = 'C:\FSW' WitnessServer = $dagSettings.WitnessServer } # Add this server as member xExchDatabaseAvailabilityGroupMember DAGMember { MailboxServer = $Node.NodeName Credential = $ExchangeAdminCredential DAGName = $dagSettings.DAGName SkipDagValidation = $true DependsOn = '[xExchDatabaseAvailabilityGroup]DAG' } # Create two new DAG Networks xExchDatabaseAvailabilityGroupNetwork DAGNet1 { Name = $dagSettings.DAGNet1NetworkName Credential = $ExchangeAdminCredential DatabaseAvailabilityGroup = $dagSettings.DAGName Ensure = 'Present' ReplicationEnabled = $dagSettings.DAGNet1ReplicationEnabled Subnets = $dagSettings.DAGNet1Subnets DependsOn = '[xExchDatabaseAvailabilityGroupMember]DAGMember' # Can't do work on DAG networks until at least one member is in the DAG... } xExchDatabaseAvailabilityGroupNetwork DAGNet2 { Name = $dagSettings.DAGNet2NetworkName Credential = $ExchangeAdminCredential DatabaseAvailabilityGroup = $dagSettings.DAGName Ensure = 'Present' ReplicationEnabled = $dagSettings.DAGNet2ReplicationEnabled Subnets = $dagSettings.DAGNet2Subnets DependsOn = '[xExchDatabaseAvailabilityGroupMember]DAGMember' # Can't do work on DAG networks until at least one member is in the DAG... } # Remove the original DAG Network xExchDatabaseAvailabilityGroupNetwork DAGNetOld { Name = $dagSettings.OldNetworkName Credential = $ExchangeAdminCredential DatabaseAvailabilityGroup = $dagSettings.DAGName Ensure = 'Absent' DependsOn = '[xExchDatabaseAvailabilityGroupNetwork]DAGNet1', '[xExchDatabaseAvailabilityGroupNetwork]DAGNet2' # Dont remove the old one until the new one is in place } } # Next we'll add the remaining nodes to the DAG Node $AllNodes.Where{$_.Role -eq 'AdditionalDAGMember'}.NodeName { $dagSettings = $ConfigurationData[$Node.DAGId] # Look up and retrieve the DAG settings for this node # Can't join until the DAG exists... xExchWaitForDAG WaitForDAG { Identity = $dagSettings.DAGName Credential = $ExchangeAdminCredential } xExchDatabaseAvailabilityGroupMember DAGMember { MailboxServer = $Node.NodeName Credential = $ExchangeAdminCredential DAGName = $dagSettings.DAGName SkipDagValidation = $true DependsOn = '[xExchWaitForDAG]WaitForDAG' } } } |