xExchange

1.27.0.0

Examples/EndToEndExample/8-ConfigureDatabaseCopies.ps1

<#
.EXAMPLE
    This example shows how to configure databases copies.
#>

$ConfigurationData = @{
    AllNodes = @(
        @{
            #region Common Settings for All Nodes
            NodeName        = '*'

            <#
                The location of the exported public certificate which will be used to encrypt
                credentials during compilation.
                CertificateFile = 'C:\public-certificate.cer'
            #>

            # Thumbprint of the certificate being used for decrypting credentials
            Thumbprint      = '39bef4b2e82599233154465323ebf96a12b60673'

            # The paths to the CSV files generated by the Server Role Requirements Calculator
            ServersCsvPath               = "$($PSScriptRoot)\Calculators\Lab\Servers.csv"
            MailboxDatabasesCsvPath      = "$($PSScriptRoot)\Calculators\Lab\MailboxDatabases.csv"
            MailboxDatabaseCopiesCsvPath = "$($PSScriptRoot)\Calculators\Lab\MailboxDatabaseCopies.csv"

            #endregion
        }

        #region Individual Node Settings
        #region DAG01 Nodes
        @{
            NodeName        = 'e15-1'
            Fqdn            = 'e15-1.contoso.local'
            Role            = 'AdditionalDAGMember'
            DAGId           = 'DAG01'
            CASId           = 'Site1CAS'
            ServerNameInCsv = 'e15-1'
        }

        @{
            NodeName        = 'e15-2'
            Fqdn            = 'e15-2.contoso.local'
            Role            = 'AdditionalDAGMember'
            DAGId           = 'DAG01'
            CASId           = 'Site1CAS'
            ServerNameInCsv = 'e15-2'
        }

        @{
            NodeName        = 'e15-3'
            Fqdn            = 'e15-3.contoso.local'
            Role            = 'FirstDAGMember'
            DAGId           = 'DAG01'
            CASId           = 'Site2CAS'
            ServerNameInCsv = 'e15-3'
        }

        @{
            NodeName        = 'e15-4'
            Fqdn            = 'e15-4.contoso.local'
            Role            = 'AdditionalDAGMember'
            DAGId           = 'DAG01'
            CASId           = 'Site2CAS'
            ServerNameInCsv = 'e15-4'
        }
        #endregion
    );

    #region DAG Settings
    DAG01 = @(
        @{
            DAGName                              = 'DAG01'
            AutoDagTotalNumberOfServers          = 12
            AutoDagDatabaseCopiesPerVolume       = 4
            DatabaseAvailabilityGroupIPAddresses = '192.168.1.31', '192.168.2.31'
            WitnessServer                        = 'e14-1.contoso.local'
            DbNameReplacements                   = @{"nn" = "01"}
            Thumbprint                           = "0079D0F68F44C7DA5252B4779F872F46DFAF0CBC"
        }
    )
    #endregion

    #region CAS Settings
    # Settings that will apply to all CAS
    AllCAS = @(
        @{
            ExternalNamespace = 'mail.contoso.local'
        }
    )

    # Settings that will apply only to Quincy CAS
    Site1CAS = @(
        @{
            InternalNamespace          = 'mail-site1.contoso.local'
            AutoDiscoverSiteScope      = 'Site1'
            InstantMessagingServerName = 'l15-1.contoso.local'
            DefaultOAB                 = "Default Offline Address Book (Site1)"
        }
    );

    # Settings that will apply only to Phoenix CAS
    Site2CAS = @(
        @{
            InternalNamespace          = 'mail-site2.contoso.local'
            AutoDiscoverSiteScope      = 'Site2'
            InstantMessagingServerName = 'l15-2.contoso.local'
            DefaultOAB                 = "Default Offline Address Book (Site2)"
        }
    );
    #endregion
}

Configuration Example
{
    param
    (
        [Parameter(Mandatory = $true)]
        [ValidateNotNullorEmpty()]
        [System.Management.Automation.PSCredential]
        $ExchangeAdminCredential
    )

    Import-DscResource -Module xExchange

    Import-Module -Name (Join-Path -Path (Split-Path -Parent (Split-Path -Parent $PSScriptRoot)) -ChildPath 'Modules\xExchangeCalculatorHelper.psm1')

    # This section will handle configuring all non-DAG specific settings, including CAS and MBX settings.
    Node $AllNodes.NodeName
    {
        $dagSettings = $ConfigurationData[$Node.DAGId] # Look up and retrieve the DAG settings for this node

        ###Mailbox Server settings###
        $copyDbList = Get-DBListFromMailboxDatabaseCopiesCsv -MailboxDatabaseCopiesCsvPath $Node.MailboxDatabaseCopiesCsvPath `
                                                         -ServerNameInCsv $Node.ServerNameInCsv `
                                                         -DbNameReplacements $dagSettings.DbNameReplacements

        # Create the copies
        foreach ($DB in $copyDbList)
        {
            # Unique ID for the xWaitForMailboxDatabase resource
            $waitResourceId = "WaitForDB_$($DB.Name)"

            # Unique ID for the xMailboxDatabaseCopy resource
            $copyResourceId = "MDBCopy_$($DB.Name)"

            # Need to wait for a primary copy to be created before we add a copy
            xExchWaitForMailboxDatabase $waitResourceId
            {
                Identity   = $DB.Name
                Credential = $ExchangeAdminCredential
            }

            xExchMailboxDatabaseCopy $copyResourceId
            {
                Identity                        = $DB.Name
                Credential                      = $ExchangeAdminCredential
                MailboxServer                   = $Node.NodeName
                ActivationPreference            = $DB.ActivationPreference
                ReplayLagTime                   = $DB.ReplayLagTime
                AllowServiceRestart             = $false
                SeedingPostponed                = $true
                DependsOn                       = "[xExchWaitForMailboxDatabase]$($waitResourceId)"
            }
        }
    }
}