Slow speeding code with async?
Hello
I have two groups, one of 25 guests and one of 18 guests. For migration to vSphere 5.1 I need from these hosts of dvSwitch in standard vSwitch. I wrote a script that, for each guest, adds 150 virtual exchanges on the vSwitch, but is deadslow. He is now running two hours and only at half way.
Issues related to the:
-Can I speed up the process by writing better code?
-Would adding the async parameter - speed up things and this could potentially overload my vCenter?
Code:
$cluster = "Cluster01".
$ESXHost = get-Cluster | Get-VMHost
$report = import-Csv "c:\csv-files\list-01-standard-ports-voor-nieuwe-omgeving.csv".
foreach ($esxihost to $ESXHost)
{
Write-Host $esxihost. Name
foreach ($row in $Report)
{
Get-VirtualSwitch - VMHost $ESXiHost - name 'vSwitch0 | New-VirtualPortGroup-name $row. PortGroup - VLanId $row. VLAN
}
}
As much as I know there is no RunAsync switch on the New-VirtualPortgroup cmdlet.
The best opportunity to save time, is to do once the VirtualSwitch Get.
Something like that
...
foreach ($esxihost to $ESXHost)
{
$sw = get-VirtualSwitch - VMHost $ESXiHost - name 'vSwitch0.
Write-Output $esxihost. Name
foreach ($row in $Report)
{
VirtualSwitch news-VirtualPortGroup $sw - name $row. PortGroup - VLanId $row. VLAN
}
}
...
BTW, your script would about kill 43 puppies
Tags: VMware
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