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‎README.md‎

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# PowerShell
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Personal PowerShell Script collection
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## Content:
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* **StorageReplica/New-StrechedFileCluster.ps1:**
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Simple Script to build a virutal two node, streched, general purpose file server cluster with storage replica
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‎StorageReplica/New-StretchedFileCluster.ps1‎

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<#
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.SYNOPSIS
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Builds a virutal two node, streched, general purpose file server cluster with storage replica
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.DESCRIPTION
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Script with all steps to build a streched cluster, based on two VMs, with a general purpose file server cluster role.
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The underneath storage is not shared storage but local storage. The volume insiede the VMs will then replicated with Storage Replica
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The sicript is intended to run on a third computer like a managemnt server where the Failover Cluster, Hyper-V and Storage Replica RSAT tools are installed.
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.PARAMETER Server
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Computer names of the thwo cluster nodes
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.PARAMETER Locations
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Name of the two sites. Will be used to name the sites in cluster fault domains configuration
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.PARAMETER ClusterName
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Name of the failover cluster
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.PARAMETER ClusterIP
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IP Address of the failover cluster
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.PARAMETER CloudWitnessAccount
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Name of the Azure storage account which should be used as cloud witness (empty if cloud witness should not be configure)
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.PARAMETER CloudWitnessAccessKey
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Primary access Key of the Azure storage account which should be used as cloud witness (empty if cloud witness should not be configure)
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.PARAMETER WitnessShare
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Full UNC path to the sahre which sould be used as witness file share (only if cloud witness can/sould not be used)
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.PARAMETER HyperVHosts
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Name of the Hyper-V hosts on which the two VMs are currently running (to attach the need VHDX to the VMs)
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.PARAMETER DataVHDXBasePaths
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Paths to the location where the VHDX files for the Data disks should be created (SOFS Share,CSV Volume, or local volume of the Hyper-V host)
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.PARAMETER LogVHDXBasePaths
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Paths to the location where the VHDX files for the Log disks should be created (SOFS Share,CSV Volume, or local volume of the Hyper-V host)
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.PARAMETER LogDiskSize
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Size fo the Log disk VHDX files in bytes (PowerShell will convert <number>GB automatically in the corresponding bytes value)
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.PARAMETER DataDiskSize
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Size fo the Data disk VHDX files in bytes (PowerShell will convert <number>GB automatically in the corresponding bytes value)
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.PARAMETER LogDiskLetter
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Drive Letter of the Log disk volume
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.PARAMETER DataDiskLetter
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Drive Letter of the Data disk volume
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.PARAMETER FSClusterName
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Name of the File Server Cluster Role
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.PARAMETER FSClusterIP
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IP Address of the File Server Cluster Role
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.PARAMETER ShareNames
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An Arry with Hashtable(s) with file share which sould be created on the Data volume. (One Hashtable per File Share)
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The Hashtable must contains to keys "Sharename" and "ContinuouslyAvailable"
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Example: @{ShareName = "TestShare";ContinuouslyAvailable=$true}
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.PARAMETER ReplicationMode
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The replication mode of Storage Replica. Must be "Synchronous" or "Asynchronous"
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.NOTES
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Version: 1.0.0.0, 03/07/2017 (stable)
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Requires:
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PowerShell 5.0
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Hyper-V Cmdlets
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Failover Cluster Cmdlets
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Storage Cluster Cmdlets
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.LINK
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@ Jonas Feller c/o J0F3, March 2017, www.jofe.ch
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Get latest version at: https://github.com/J0F3/PowerShell/StorageReplica
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#>
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Param
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(
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[String[]]
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$Servers = @('SR-SRV01','SR-SRV02'),
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[String[]]
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$Locations = @('Bern', 'Zurich'),
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[String]
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$ClusterName = 'SR-CLU01',
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[String]
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$ClusterIP = '192.168.1.10',
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[String]
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$CloudWitnessAccount = 'cloudwitness',
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[String]
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$CloudWitnessAccessKey = 'fcNDPKdzxdTrbg3638ZvUDtrSfKTkAPLItQfsZ2suh10zLr8quWwDUXesIH8N6Wzyw==',
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[String]
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$WitnessShare = '',
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[String[]]
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$HyperVHosts = @('HV-SRV01','HV-SRV02'),
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[String[]]
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$DataVHDXBasePaths = @('\\SOFS-Bern\csv01\SR-SRV01\Virtual Hard Disks\','\\SOFS-Zurich\csv01\SR-SRV02\Virtual Hard Disks\'),
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[String[]]
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$LogVHDXBasePaths = @('\\SOFS-Bern\csv01\SR-SRV01\Virtual Hard Disks\','\\SOFS-Zurich\csv01\SR-SRV02\Virtual Hard Disks\'),
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[long]
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$LogDiskSize = 10GB,
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[long]
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$DataDiskSize = 127GB,
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[string]
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$LogDiskLetter = 'L',
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[string]
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$DataDiskLetter = 'D',
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[string]
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$FSClusterName = 'SR-FS01',
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[string]
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$FSClusterIP = '192.168.1.11',
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[hashtable[]]
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$ShareNames = @(@{ShareName = "TestShare";ContinuouslyAvailable=$true}),
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[string]
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[ValidateSet("Synchronous","Asynchronous")]
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$ReplicationMode = "Synchronous"
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)
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# install features
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$Servers | ForEach-Object { Install-WindowsFeature -ComputerName $_ -Name Storage-Replica,Failover-Clustering,FS-FileServer -IncludeManagementTools -restart }
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# build cluster
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New-Cluster -Name $ClusterName -Server$Servers[0] $Servers -StaticAddress $ClusterIP
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# configure cluster quorum
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if($CloudWitnessAccount)
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{
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Set-ClusterQuorum -Cluster $ClusterName -CloudWitness -AccountName $CloudWitnessAccount -AccessKey $CloudWitnessAccessKey
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}
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elseif ($WitnessShare)
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{
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Set-ClusterQuorum -Cluster $ClusterName -FileShareWitness $WitnessShare
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}
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# configure fault domains (sites) in cluster
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New-ClusterFaultDomain -CimSession $ClusterName -Name $Locations[0] -Type Site -Description "Primary" -Location $Locations[0]
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New-ClusterFaultDomain -CimSession $ClusterName -Name $Locations[1] -Type Site -Description "Secondary" -Location $Locations[1]
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Set-ClusterFaultDomain -CimSession $ClusterName -Name $Servers[0] -Parent $Locations[0]
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Set-ClusterFaultDomain -CimSession $ClusterName -Name $Servers[1] -Parent $Locations[1]
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(Get-Cluster -Name $ClusterName).PreferredSite=$Locations[0]
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# Create new VHDX files
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# Log disks
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New-VHD -CimSession $HyperVHosts[0] -Path $($VHDXBasePaths[0] + 'Log.vhdx') -SizeBytes $LogDiskSize -Fixed
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New-VHD -CimSession $HyperVHosts[1] -Path $($VHDXBasePaths[1] + 'Log.vhdx') -SizeBytes $LogDiskSize -Fixed
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# Data diks
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New-VHD -CimSession $HyperVHosts[0] -Path $($VHDXBasePaths[0] + 'Data.vhdx') -SizeBytes $DataDiskSize -Dynamic
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New-VHD -CimSession $HyperVHosts[1] -Path $($VHDXBasePaths[1] + 'Data.vhdx') -SizeBytes $DataDiskSize -Dynamic
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# Add new disks to cluster Server$Servers[0s
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Add-VMHardDiskDrive -CimSession $HyperVHosts[0] -VMName $Servers[0] -ControllerType SCSI -ControllerNumber 0 -ControllerLocation 1 -Path $($LogVHDXBasePaths[0] + 'Log.vhdx') -SupportPersistentReservationss
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Add-VMHardDiskDrive -CimSession $HyperVHosts[0] -VMName $Servers[0] -ControllerType SCSI -ControllerNumber 0 -ControllerLocation 2 -Path $($DataVHDXBasePaths[0] + 'Data.vhdx') -SupportPersistentReservations
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Add-VMHardDiskDrive -CimSession $HyperVHosts[1] -VMName $Servers[1] -ControllerType SCSI -ControllerNumber 0 -ControllerLocation 1 -Path $($LogVHDXBasePaths[1] + 'Log.vhdx') -SupportPersistentReservations
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Add-VMHardDiskDrive -CimSession $HyperVHosts[1] -VMName $Servers[1] -ControllerType SCSI -ControllerNumber 0 -ControllerLocation 2 -Path $($DataVHDXBasePaths[1] + 'Data.vhdx') -SupportPersistentReservations
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# Format disks on first node
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Invoke-Command -ComputerName $Servers[0] -ScriptBlock {
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Set-Disk -Number 1 -IsOffline $false
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set-disk -Number 2 -IsOffline $false
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Set-Disk -Number 1 -IsReadOnly $false
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set-disk -Number 2 -IsReadOnly $false
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Initialize-Disk -Number 1 -PartitionStyle GPT
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Initialize-Disk -Number 2 -PartitionStyle GPT
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Get-disk | Where-Object {$_.Size -eq 10gb -and $_.DiskNumber -ne $null} | New-Partition -UseMaximumSize -DriveLetter $USING:LogDiskLetter | Format-Volume -FileSystem NTFS -NewFileSystemLabel "Log"
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Get-disk | Where-Object {$_.Size -gt 10gb -and $_.DiskNumber -ne $null} | New-Partition -UseMaximumSize -DriveLetter $USING:DataDiskLetter | Format-Volume -FileSystem NTFS -NewFileSystemLabel "Data"
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}
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# Add disks of first node to the cluster
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Get-ClusterAvailableDisk -All -Cluster $ClusterName | Add-ClusterDisk
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# Rename cluster resources of source node
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Invoke-Command -ComputerName $Servers[0] -ScriptBlock {
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$ClusterDisks = Get-ClusterResource | Where-Object ResourceType -EQ 'Physical Disk'
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foreach ($ClusterDisk in $ClusterDisks)
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{
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$DiskResource = Get-WmiObject MSCluster_Resource -Namespace root/mscluster | Where-Object{ $_.Name -eq $ClusterDisk.Name }
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$Disk = Get-WmiObject -Namespace root/mscluster -Query "Associators of {$DiskResource} Where ResultClass=MSCluster_Disk"
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$Partition = Get-WmiObject -Namespace root/mscluster -Query "Associators of {$Disk} Where ResultClass=MSCluster_DiskPartition"
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$ClusterDisk.Name = "$($Partition.VolumeLabel)-Source"
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}
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}
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# Create File Server Cluster Role
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Add-ClusterFileServerRole -Cluster $ClusterName -Name $FSClusterName -StaticAddress $FSClusterIP -Storage "Data-Source"
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# Create File Shares
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foreach($Share in $ShareNames) {
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$SharePath = Join-Path -path "${DataDiskLetter}:" -ChildPath $($Share.ShareName)
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Invoke-Command -ComputerName $Servers[0] -ScriptBlock {mkdir $USING:SharePath}
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New-SmbShare -CimSession $Servers[0] -Name $Share.ShareName -Path $SharePath -ContinuouslyAvailable $Share.ContinuouslyAvailable
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}
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# Configure Storage Replica to destination node/site
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# Format disks on second node
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Invoke-Command -ComputerName $Servers[1] -ScriptBlock {
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Set-Disk -Number 1 -IsOffline $false
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set-disk -Number 2 -IsOffline $false
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Set-Disk -Number 1 -IsReadOnly $false
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set-disk -Number 2 -IsReadOnly $false
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Initialize-Disk -Number 1 -PartitionStyle GPT
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Initialize-Disk -Number 2 -PartitionStyle GPT
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Get-disk | Where-Object {$_.Size -eq 10gb -and $_.DiskNumber -ne $null} | New-Partition -UseMaximumSize -DriveLetter $USING:LogDiskLetter | Format-Volume -FileSystem NTFS -NewFileSystemLabel "Log"
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Get-disk | Where-Object {$_.Size -gt 10gb -and $_.DiskNumber -ne $null} | New-Partition -UseMaximumSize -DriveLetter $USING:DataDiskLetter | Format-Volume -FileSystem NTFS -NewFileSystemLabel "Data"
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}
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# Add disks of second node to the cluster
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Get-ClusterAvailableDisk -All -Cluster $ClusterName | Add-ClusterDisk
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# Move available storage to second node
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Move-ClusterGroup -Name "Available Storage" -Node $Servers[1]
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# Rename cluster resources of destination node
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Invoke-Command -ComputerName $Servers[1] -ScriptBlock {
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$ClusterDisks = Get-ClusterResource | Where-Object {$_.ResourceType -EQ 'Physical Disk' -and $_.Name -notlike "*-Source"}
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foreach ($ClusterDisk in $ClusterDisks)
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{
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$DiskResource = Get-WmiObject MSCluster_Resource -Namespace root/mscluster | Where-Object{ $_.Name -eq $ClusterDisk.Name }
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$Disk = Get-WmiObject -Namespace root/mscluster -Query "Associators of {$DiskResource} Where ResultClass=MSCluster_Disk"
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$Partition = Get-WmiObject -Namespace root/mscluster -Query "Associators of {$Disk} Where ResultClass=MSCluster_DiskPartition"
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$ClusterDisk.Name = "$($Partition.VolumeLabel)-Destination"
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}
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}
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# Configure Storage Replica
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New-SRPartnership -SourceComputerName $Servers[0] -SourceRGName "RG-Data-$($Servers[0])" -SourceRGDescription "Replication Group for D: from $($Servers[0]) to $($Servers[1])" -SourceVolumeName $DataDiskLetter -SourceLogVolumeName $LogDiskLetter -DestinationComputerName $Servers[1] -DestinationRGName "RG-Data-$($Servers[1])" -DestinationRGDescription "Replication Group for D: from $($Servers[0]) to $($Servers[1])" -DestinationVolumeName $DataDiskLetter -DestinationLogVolumeName $LogDiskLetter -ReplicationMode $ReplicationMode
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#Check status of inital sync
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do{
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$r=(Get-SRGroup -ComputerName $Servers[1] -Name "RG-Data-$($Servers[1])").replicas
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[System.Console]::Write("Number of remaining bytes {0}`n", $r.NumOfBytesRemaining)
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Start-Sleep 10
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}until($r.ReplicationStatus -eq 'ContinuouslyReplicating')
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Write-Output "Replica Status: "$r.replicationstatus

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