Remove unused DVuplinks for DVswitch

[zhornsby]

i recently had a few network changes within my lab environment and i have to decrease my amount of uplink ports on my dvswitch from 7 to 4. i removed the physical nics from the dvswitch but now im left with 3 unused dvUplinks. when i try to reduce the amount of uplinks from the edit settings window on the dvswitch i get a "resource 1707 is in use on host x.x.x.x"

does anyone know how else i can remove the unused dvuplinks from my dvswitch.

6.0 vcsa, dvswitch 5.5 (didnt notice until now, will upgrade to 6.0)

[LucD]

Do you by any chance still have an ESXi host connected to one of the Uplinks?

[zhornsby]

i do not. i have three host in the cluster, dvuplinks 1,2,3,4 have vmnic's 3,4,5,6 (vmnic 1,2 are assigned to a standard switch) assigned to them respectively. dvuplinks 5,6,7 have no vmnics assigned to them on either one of the hosts

[LucD]

Try like this.

Note that there is no checking if  any of the dropped Uplinks has a connection.

$vdsName = 'MyVds'

$vdsUplinkNumber = 2

$vds = Get-VDSwitch -Name $vdsName

$spec = New-Object VMware.Vim.VMwareDVSConfigSpec

$spec.ConfigVersion = $vds.ExtensionData.Config.ConfigVersion

$uplink = New-Object VMware.Vim.DVSNameArrayUplinkPortPolicy

$uplink.UplinkPortName = @()

1..$vdsUplinkNumber | %{

    $uplink.UplinkPortName += $vds.ExtensionData.Config.UplinkPortPolicy.UplinkPortName[$_ - 1]

}

$spec.UplinkPortPolicy = $uplink

$vds.ExtensionData.ReconfigureDvs($spec)

[zhornsby]

$vdsName = 'Lab_DV_SW'

$vdsUplinkNumber = 2

$vds = Get-VDSwitch -Name $vdsName

$spec = New-Object VMware.Vim.VMwareDVSConfigSpec

$spec.ConfigVersion = $vds.ExtensionData.Config.ConfigVersion

$uplink = New-Object VMware.Vim.DVSNameArrayUplinkPortPolicy

$uplink.UplinkPortName = @()

1..$vdsUplinkNumber | %{

$uplink.UplinkPortName += $vds.ExtensionData.Config.UplinkPortPolicy.UplinkPortName[$_ - 1]

}

$spec.UplinkPortPolicy = $uplink

$vds.ExtensionData.ReconfigureDvs($spec)

Made my changes, submitted, error returned "Exception calling "ReconfigureDvs" with "1" argument(s): "The resource '1707' is in use. The Uplink name dvUplink3 is in use by the connected uplink port 1707 on host x.x.0.18, which is connected to the physical network adapter vmnic5"

this error is true as dvuplink3 is connected to vmnic 5, however im not trying to remove dvuplink3. im trying to remove dvuplink 5, 6, 7

[LucD]

I'm confused, Uplinks are normally numbered sequentially.
Do you have empty Uplinks in the sequence?

Perhaps show a screenshot of the topology to help me understand.

[zhornsby]

They are in order, however i have vmnic 1,2 assigned to a standard switch for kernel traffic

[LucD]

But wait a minute, you seem to have specified

$vdsUplinkNumber = 2

That should say

$vdsUplinkNumber = 4

That way you will bring down the number of Uplinks from 7 to 4.

[zhornsby]

whoops i pasted it wrong back into the thread. this was the result

[LucD]

Ok, can you tell me what these show?

$vds.ExtensionData.Config.UplinkPortPolicy

$spec.UplinkPortPolicy

[zhornsby]

[LucD]

I'm flabbergasted. That all looks normal and how I expected it to be :smileycry:

Ok, I think at this point we should have a look at the vpxd log.
See if you can find the entries from around the time you executed the call to the method.

On the other hand, since you also seem to get this error when you do the same via the Web Client, I'm wondering if there isn't anything else causing this error.
The vpxd log could give us some more info on that as well.

[zhornsby]

i dont see anything in the vpxd logs. are you referring to vpxd.log correct? not the vpxd-profiler logs

[LucD]

Correct, not the vpxd profiler logs.

Could you run the following and check if the mentioned port is in there?

$vds = Get-VDSwitch -Name <your-vds>

$vds.ExtensionData.Config.Host |

ForEach-Object -Process {

    $esx = Get-View -Id $_.Config.Host

    Write-Host "ESXi $($esx.Name)  Ports $($_.UplinkPortKey -join '|')"

}

[zhornsby]

doesnt seem to like your first command

[LucD]

Just the name of the switch, without the <>

[zhornsby]

gotchya, sorry about that.

it doesnt seem to report anything

is there a way to identify which dvuplink specifically you want to remove?

[LucD]

I didn't want to remove anything with that script, just wanted to know to which VDS ports the uplinks were connected for each ESXi node.

The script wasn't finished in your run (that is what the >> mean).

Type } followed by <enter>, and then another <enter>

[zhornsby]

whoops sorry about that, im new to powercli. still trying to learn it

[LucD]

Can you check on the VDS in the port list with the Web CLient, what is connected to port 1707?

In other words, is there anything in the Connectee column for port 1707?

[zhornsby]

there is, however that is not the dvuplink i would like to remove...

i want to remove dvuplink 5,6,7

[LucD]

Ok, now I have a clear picture of the issue.

Your Uplinks are not in order, it says Uplink1, Uplink2, Uplink4, Uplink3.

And the Uplinks are connected to the last 4 ports that are reserved for Uplinks.

This is probably due to changing/removing Uplinks in the past.
I will now have to find a way to link the Uplinks to the correct ports, and do the removal in the correct order.

[zhornsby]

if you think thats the case, i can modify the vmnics and their uplinks. thats not difficult to do in the dvswitch. if you think thats what needs to be done

[LucD]

You can try, but I'm not sure that is going to change the order.
In fact the method I use to lower the number of Uplinks, depends on the last n Uplinks to be unused.

In you case the Uplinks seem to be mapped to the last 4 ports, instead of the first 4 ports.

[zhornsby]

that was the magic sauce. i removed all but dvuplink1. once all other vmnic's were removed i was able to shrink the total numbers of dvuplinks. then i was able to rearrange my vmnics and

dvuplinks to match

Thank you so much!!

[zhornsby]

did you mean $vdsname?