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Cozumpark Bilisim Portali
Posted in Virtual Machine Manager, Windows Powershell | No Comment | 2,612 views | 19/02/2014 17:05

You can grant user roles into Virtual Machines for AppController with following script:

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$VMs = Get-VM
foreach ($VM in $VMs)
{
	$UserRole = $VM.UserRole.Name
	$UserRole = Get-SCUserRole -Name "$UserRole"
	$UserRoleID = $UserRole.ID.Guid
	$UserName = $VM.Owner
	Grant-SCResource -Resource $VM -UserName $UserName -UserRoleID @("$UserRoleID")
}

That will apply VM’s owner and UserRole as a granted user role.


Posted in Virtual Machine Manager, Windows Powershell | No Comment | 5,896 views | 17/02/2014 14:48

You may see duplicate VMs in SCVMM 2012 R2 after a host crash in a cluster.

In that use you can use following script:

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Get-VM "DuplicateVM" | Where Cloud -eq $Null | Remove-VM -force

That will remove that VM from SCVMM database only. VM will be online on host after operation.


Posted in Virtual Machine Manager, Windows Powershell | No Comment | 4,448 views | 15/02/2014 12:41

You can use this script to move your VMs into another Cloud (Cloud Migration) on SCVMM 2012 R2.
This script only works on SCVMM 2012 R2 due to vHBA control.
You can remove vHBA control to make it work on SCVMM 2012 SP1.

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# Parameters
$DestinationCloud = "New Cloud"
 
# Create VM Array
$VMArray = New-Object System.Collections.ArrayList
$VMArray.Clear();
 
# Add VMs into Array
$AddArray = $VMArray.Add("VM01")
$AddArray = $VMArray.Add("VM02")
$AddArray = $VMArray.Add("VM03")
$AddArray = $VMArray.Add("VM04")
 
# Get Destination Cloud
$Cloud = Get-SCCloud -Name $DestinationCloud
 
# Cloud Host Group Path
$HostGroupPath = (($Cloud.HostGroup)[0]).Path + "*"
 
foreach ($VMName in $VMArray)
{
	# Get VM
	$VM = Get-SCVirtualMachine -Name $VMName
 
	# Output
	Write-Host VM Name: $VMName
	Write-Host " "
 
	if ($VM.HasPassthroughDisk -eq $False -and $VM.HasVirtualFibreChannelAdapters -eq $False)
	{
		# Current Cloud
		$CurrentCloud = Get-SCCloud -Name $VM.Cloud.Name
 
		# Current Hyper-V Host
		$CurrentVMHost = Get-SCVMHost -ComputerName $VM.VMHost.Name
 
		# Create Job Guid
		$JobGuid = [System.Guid]::NewGuid().toString()
 
		# Remove from Cloud
		$SetCloud = $VM | Set-SCVirtualMachine -RemoveFromCloud
 
		# Get Best Available Hyper-V Host
		$VMHostName = ((Get-SCVMHost | Where {$_.VMHostGroup -like $HostGroupPath -and $_.CoresPerCPU -eq $CurrentVMHost.CoresPerCPU -and $_.CPUArchitecture -eq $CurrentVMHost.CPUArchitecture -and $_.CPUFamily -eq $CurrentVMHost.CPUFamily } | Select Name,AvailableMemory | Sort AvailableMemory -Descending)[0]).Name
 
		# Output
		Write-Host Target Host: $VMHostName
 
		# Get Best Available CSV
		$VolumeName = ((Get-SCStorageVolume | Where {$_.VMHost -eq $VMHostName -and $_.IsClusterSharedVolume -eq $True} | Select Name,FreeSpace | Sort FreeSpace -Descending)[0]).Name
 
		# Output
		Write-Host Target Volume: $VolumeName
		Write-Host " "
 
		# Get Hyper-V Host Information
		$VMHost = Get-SCVMHost -ComputerName $VMHostName
		[int64]$VMHostAvailableMemory = [int64]$VMHost.AvailableMemory + 10240 		# Leave 10 GB Available Memory
 
		# Get CSV Information
		$Volume = Get-SCStorageVolume -Name $VolumeName -VMHost $VMHostName
		[int64]$VolumeFreeSpace = [int64]$Volume.FreeSpace + 107374182400 			# Leave 100 GB Free Space
 
		# Control Free Memory
		if ($VM.Memory -lt $VMHostAvailableMemory -and $VM.TotalSize -lt $VolumeFreeSpace)
		{
			# Get Virtual Network Adapters
			$VirtualNetworkAdapters = $VM | Get-SCVirtualNetworkAdapter
 
			foreach ($VirtualNetworkAdapter in $VirtualNetworkAdapters)
			{
				# Clear VM Network
				$VMNetwork = $Null;
 
				# Get VM Network
				$VMNetwork = Get-SCVMNetwork | Where {$_.Name -eq $VirtualNetworkAdapter.VMNetwork.Name}
 
				if (!$VMNetwork)
				{
					$VMNetwork = Get-SCVMNetwork | Where {$_.VMSubnet.SubnetVLANs.VLanID -eq $VirtualNetworkAdapter.VLanID}
				}
 
				# Destination Virtual Network
				$VirtualNetwork = ((Get-VM -Cloud $Cloud | Where {$_.VirtualNetworkAdapters.VMNetwork.Name -eq $VirtualNetworkAdapter.VMNetwork.Name -and $_.VirtualNetworkAdapters.VirtualNetwork})[0]).VirtualNetworkAdapters.VirtualNetwork
 
				# Set VM Network Adapter
				$SetSCVirtualNetworkAdapter = Set-SCVirtualNetworkAdapter -VirtualNetworkAdapter $VirtualNetworkAdapter -VirtualNetwork $VirtualNetwork -VMNetwork $VMNetwork -JobGroup $JobGuid
			}
 
			# Move VM
			$MoveSCVirtualMachine = $VM | Move-SCVirtualMachine -VMHost $VMHostName -HighlyAvailable $True -UseLAN -UseDiffDiskOptimization -JobGroup $JobGuid -Path $VolumeName
 
			Write-Host "Migration process is finished."
			Write-Host "Please check job results to ensure that if operation is successful.."
			Write-Host " "
			Write-Host " "
 
			# Set Cloud
			$SetCloud = $VM | Set-SCVirtualMachine -Cloud $Cloud
 
			# Refresh VM
			$RefreshVM = $VM | Refresh-VM
		}
		else
		{
			Write-Host "Not enough resources to move VM.."
			Write-Host "Skipping migration.."
			Write-Host " "
			Write-Host " "
 
			# Set Cloud
			$SetCloud = $VM | Set-SCVirtualMachine -Cloud $CurrentCloud
		}
	}
	else
	{
		Write-Host "VM has Pass-through disks or vHBA.."
		Write-Host "Skipping migration.."
		Write-Host " "
		Write-Host " "
	}
}

After migrations, please check SCVMM job results to see if migrations are successful.


Posted in Windows Powershell, Windows Server | No Comment | 998 views | 14/02/2014 18:37

You can use following script to see if remote host has cluster service:

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$Servers = Get-Content C:\Servers.txt
foreach ($Server in $Servers)
{
	try
	{
		$State = (Get-WmiObject -ComputerName $Server -Class Win32_service | Where Name -like *clu*).State
	}
	catch
	{
	}
 
 
	if ($State)
	{
		Write-Warning $Server
		Add-Content -Value $Server -Path C:\ClusterResults.txt
	}
	else
	{
		Write-Host $Server
	}
}

Script will output all results into C:\ClusterResults.txt.


Posted in Windows Powershell, Windows Server | No Comment | 1,258 views | 14/02/2014 17:39

You can get QLogic Driver Versions of HP Servers with following script:

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$Clusters = Get-Content C:\Clusters.txt
 
foreach ($Cluster in $Clusters)
{
	$Servers = (Get-Cluster $Cluster | Get-ClusterNode).Name
	foreach ($Server in $Servers)
	{
		try
		{
			$ProductVersion = $Null;
			$ProductVersion = (Get-Item \\$Server\C$\Windows\System32\Drivers\ql2300.sys).VersionInfo.ProductVersion
		}
		catch
		{
		}
 
		$Value = $Server + ";" + $ProductVersion
		Add-Content -Value $Value -Path C:\Results.txt
	}
}

Script will output all results into C:\Results.txt.


Posted in Windows Powershell, Windows Server | No Comment | 1,209 views | 14/02/2014 10:10

You can type your servers into C:\Servers.txt and check WBEM status.

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$Servers = Get-Content C:\Servers.txt
foreach ($Server in $Servers)
{
	try
	{
		$TestWBEM = (Get-Item "\\$Server\C$\Program Files\HPWBEM\Tools\HPWbemTestEvent.exe" -ErrorAction SilentlyContinue).Exists
	}
	catch
	{
	}
 
	if ($TestWBEM -eq $True) { $TestWBEM = "True"; } else { $TestWBEM = "False"; }
 
	$Value = $Server + ";" + $TestWBEM
	Add-Content -Value $Value -Path C:\Results.txt
}

That will export all data into C:\Results.txt.


Posted in Windows Powershell, Windows Server | 2 Comments | 2,171 views | 13/02/2014 10:51

You can get memory usage of Hyper-V clusters with following script:

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$Clusters = Get-Content Clusters.txt
foreach ($Cluster in $Clusters)
{
	[int]$TotalFreeMemory = 0;
	[int]$TotalMemory = 0;
	[int]$NodeCount = 0;
	$ClusterNodes = Get-Cluster $Cluster | Get-ClusterNode
	foreach ($ClusterNode in $ClusterNodes)
	{
		[int]$FreeMemory = [math]::round(((Get-WmiObject -ComputerName $ClusterNode -Class Win32_OperatingSystem).FreePhysicalMemory / 1MB), 0)
		[int]$TotalFreeMemory = [int]$TotalFreeMemory + [int]$FreeMemory
		[int]$NodeMemory = [math]::round(((Get-WmiObject -ComputerName $ClusterNode -Class Win32_OperatingSystem).TotalVisibleMemorySize / 1MB), 0)
		[int]$TotalMemory = [int]$TotalMemory + [int]$NodeMemory
		[int]$NodeCount = [int]$NodeCount + 1
	}
	[int]$TotalAvailableMemory = [int]$TotalFreeMemory - [int]$NodeMemory
 
	Write-Host "Cluster: $Cluster"
	Write-Host "Total Memory: $TotalMemory"
	Write-Host "Total Free Memory: $TotalFreeMemory"
	Write-Host "Total Available Memory: $TotalAvailableMemory"
	Write-Host "Node Count: $NodeCount"
 
	Write-Host " "
 
	$Value = $Cluster + ";" + $TotalMemory + ";" + $TotalFreeMemory + ";" + $TotalAvailableMemory + ";" + $NodeCount + ";" + $NodeMemory
	Add-Content -Value $Value -Path Memory.txt
}

You will see detailed memory usage information of your Hyper-V clusters.

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