PowerCLI Script to add disk fails after upgrade to vSphere 5.5 U1 and PowerCLI 5.5 R2

Hi all

I created the following script to add a disk to a virtual machine mode multi-writer for Oracle RAC. This script used to work on vSphere 5.5 GA and GA 5.5 PowerCLI, but now no longer works with vSphere 5.5 U1 and PowerCLI 5.5 R2. I don't know exactly, what has changed, but I think it has something to do with SCSI controller specification objects, more specifically the controller key.

SE connect-VIServer VC

$vmname = Read-Host "VM name to add disks to.

$vmdk = Read-Host 'drive to add (full path) '.

$busnumber = Read-host "SCSI Bus number".

$unitnumber = Read-Host "drive number '.

[int64] $capacity = Read-Host "disk capacity (GB).

$vm = get - VM $vmname

[int64] $capcitykb = ($capacity * 1 GB) / 1 KB

Write-Host "create new album"$vmdk"of size"$capacity"GB"$vm"SCSI ID"$busnumber":" $unitnumber

Write-Host 'capacitΘ in Ko' $capcitykb

$ctrll = get-controller SCSI - VM $vm |? {$_.extensiondata.busNumber - eq $busnumber}

Write-Host 'Controller key' $ctrll.extensiondata.controllerkey

$spec = new-Object VMware.Vim.VirtualMachineConfigSpec

$spec.deviceChange = new-Object VMware.Vim.VirtualDeviceConfigSpec [] (1)

$spec.deviceChange [0] = new-Object VMware.Vim.VirtualDeviceConfigSpec

$spec.deviceChange [0] .operation = 'Add '.

$spec.deviceChange [0] .fileOperation = "crΘer".

$spec.deviceChange [0] = new-Object VMware.Vim.VirtualDisk .device

$spec.deviceChange [0].device.key = - 100

$spec.deviceChange [0].device.backing = new-Object VMware.Vim.VirtualDiskFlatVer2BackingInfo

$spec.deviceChange [0].device.backing.fileName = $vmdk

$spec.deviceChange [0].device.backing.thinProvisioned = $false

$spec.deviceChange [0].device.backing.split = $false

$spec.deviceChange [0].device.backing.writeThrough = $false

$spec.deviceChange [0].device.backing.eagerlyScrub = $true

$spec.deviceChange [0].device.backing.diskMode = "independent_persistent".

$spec.deviceChange [0].device.connectable = new-Object VMware.Vim.VirtualDeviceConnectInfo

$spec.deviceChange [0].device.connectable.startConnected = $true

$spec.deviceChange [0].device.connectable.allowGuestControl = $false

$spec.deviceChange [0].device.connectable.connected = $true

$spec.deviceChange [0].device.controllerKey = $ctrll.extensiondata.controllerkey

$spec.deviceChange [0].device.unitNumber = $unitNumber

$spec.deviceChange [0].device.capacityInKB = $capacitykb

$spec.extraConfig = new-Object VMware.Vim.OptionValue [] (1)

$spec.extraConfig [0] = new-Object VMware.Vim.OptionValue

$spec.extraConfig [0] .key = 'scsi' + $busnumber + ': ' + $unitnumber + '.sharing.

$spec.extraConfig [0] .value = 'multi-writer'

$vm. ExtensionData.ReconfigVM ($spec)

For some reason any $ctrll.key no longer returns any value and is completely absent, if I do a $ctrll | Get-Member to view the properties of the object.

Any advice on how to get this script working would be greatly appreciated.

Kind regards

Michael

Hi Luke,.

Took a bit of debugging, but I finally got the script to work. Looks like that the values for $ctrll.key that I expected to be in the object disappeared definitively. In order to find the correct value, I now have to check $ctrll.extensiondata.key. Also, I needed to cast variables very carefully to the device specification. For the controllerKey it must be cast to int, like the unitNumber. Also found that the calculation for capacitykb should be cast to int64 and the 1 GB and 1 KB should be lowercase for a reason, otherwise the value is returned as a zero. So some weird things in 5.5 U1 which may seem spoiled API. Here is the final script as i've got working. It is not enough, there is no validation, police checks or anything either, but it works.

SE connect-VIServer VC

$vmname = Read-Host "VM name to add disks to.

$vmdk = Read-Host 'drive to add (full path) '.

[int] $busnumber = Read-host "SCSI Bus number number"

[int] $unitnumber = Read-Host "drive number '.

$capacity = Read-Host "(GB) disc.

$vm = get - VM $vmname

[int64] $capcitykb = ($capacity * 1 GB) / 1 KB

Write-Host "create new album"$vmdk"of size"$capacity"GB"$vm"SCSI ID"$busnumber":" $unitnumber

Write-Host 'Disk in KB capacity' $capcitykb

$ctrll = get-controller SCSI - VM $vm |? {$_.extensiondata.busNumber - eq $busnumber}

Write-Host "controller key" $ctrll.extensiondata.key "

$spec = new-Object VMware.Vim.VirtualMachineConfigSpec

$spec.deviceChange = new-Object VMware.Vim.VirtualDeviceConfigSpec [] (1)

$spec.deviceChange [0] = new-Object VMware.Vim.VirtualDeviceConfigSpec

$spec.deviceChange [0] .operation = 'Add '.

$spec.deviceChange [0] .fileOperation = "crΘer".

$spec.deviceChange [0] = new-Object VMware.Vim.VirtualDisk .device

$spec.deviceChange [0].device.key = - 100

$spec.deviceChange [0].device.backing = new-Object VMware.Vim.VirtualDiskFlatVer2BackingInfo

$spec.deviceChange [0].device.backing.fileName = "" + $vmdk ".

$spec.deviceChange [0].device.backing.thinProvisioned = $false

$spec.deviceChange [0].device.backing.split = $false

$spec.deviceChange [0].device.backing.writeThrough = $false

$spec.deviceChange [0].device.backing.eagerlyScrub = $true

$spec.deviceChange [0].device.backing.diskMode = "independent_persistent".

$spec.deviceChange [0].device.connectable = new-Object VMware.Vim.VirtualDeviceConnectInfo

$spec.deviceChange [0].device.connectable.startConnected = $true

$spec.deviceChange [0].device.connectable.allowGuestControl = $false

$spec.deviceChange [0].device.connectable.connected = $true

$spec.deviceChange [0].device.controllerKey = [int] $ctrll.extensiondata.key

$spec.deviceChange [0].device.unitNumber = [int] $unitNumber

$spec.deviceChange [0].device.capacityInKB = $capacitykb

$spec.extraConfig = new-Object VMware.Vim.OptionValue [] (1)

$spec.extraConfig [0] = new-Object VMware.Vim.OptionValue

$spec.extraConfig [0] .key = 'scsi' + $busnumber + ': ' + $unitnumber + '.sharing.

$spec.extraConfig [0] .value = 'multi-writer'

$vm. ExtensionData.ReconfigVM ($spec)

Now I just need to check if the script that I have which attaches to this disc to the other nodes works Oracle RAC.

Tags: VMware

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