Articles on: Virtual Machine

Rename a VM or Create a new VM with existing os-disk

Articles on: Virtual Machine

There is no option to rename the VM in azure. As a work-around, you will have to delete and re-create the VM.

Either we will re-create machine from backup vault or from disk of existing VM. Like rie-dev-01-rest in this case.

copy os-disk to a container. If storage account is same for a machine which OS disk is to be copied, then no need to turn off this machine. If storage accounts are different then we need to stop machine to copy os-disk.

Refer to video “Copying OS disk to create a new vm” for copying os-disk

We need to run these commands 1 by 1 preferably.

$rgname = "ReynoldsIE" # resource group name

$locname = "North Europe" # resource location

$saname = "reynoldsie" # storage acount name

$vnetname = "AzureLAN" #Existing VNET name

$subnetName ="ReynoldsIESubnet" # azure subnetname

$vnet= Get-AzureRmVirtualNetwork -Name $vnetname -ResourceGroupName $rgname

$singleSubnet = Set-AzureRmVirtualNetworkSubnetConfig -Name $subnetName -VirtualNetwork $vnet -AddressPrefix (IP range of same of existing machine)

$vmname = "r-dev01"

$vmsize = "Standard_B2ms" #Size of the VM

$vm=New-AzureRmVMConfig -VMName $vmname -VMSize $vmsize

$storageacc= Get-AzureRmStorageAccount -ResourceGroupName $rgname -Name $saname

$diskname = $vmname + "-OSDisk" (This will name of disk)

$vhdURI = ""

$nicname ="R-Dev01NIC" #New NIC name

$pip=New-AzureRmPublicIpAddress -Name $nicName -ResourceGroupName $rgName -DomainNameLabel $domName -Location $locName -AllocationMethod Static   #  if already existing mention the public IP name.

$subnetindex =0

$nic=New-AzureRmNetworkInterface -Name $nicName -ResourceGroupName $rgName -Location $locName -SubnetId $vnet.Subnets[$subnetIndex].Id -PublicIpAddressId $pip.Id

$vm = New-AzureRMVMConfig -VMName $vmName -VMSize $vmSize

$vm = Add-AzureRMVMNetworkInterface -VM $vm -Id $nic.Id

$vm = Set-AzureRmVMOSDisk -VM $vm -Name $diskname -VhdUri $vhdURI -CreateOption attach -Windows

New-AzureRmVM -ResourceGroupName $rgname -Location $locname  -VM $vm

It will create new machine with name mentioned above.

Updated on: 31/01/2023

Updated on: 01/07/2024

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