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Automated NSX-T 2.0 Lab Deployment

10.24.2017 by William Lam // 21 Comments

Last week, I had spent some time exploring and getting myself more familiar with NSX-T, which is the next generation release of the NSX platform from VMware. One of the first thing I do when learning about a new product is to setup a lab environment that I can using. Having gone through the deployment once by hand, I realized it would be quite painful if I needed to do this again, which I know I will and I did 🙂 I wanted to have a simliar experience to my vGhetto Automated vSphere Lab deployment script which also including setting up the entire vSphere infrastructure along with deploying and configuring NSX-V and extending it to support NSX-T.

Since my original script leverages PowerCLI to access both the vSphere and NSX APIs, I wanted to do the same with NSX-T. Funny enough, the PowerCLI team had just published an update release (6.5.3) which also added support for NSX-T and I thought this was perfect timing to try out the NSX-T APIs, which I had never used before.

UPDATE (01/01/2018) - I have verified the script also works with the latest NSX-T 2.1 which was just released before Christmas. The script has also been updated to create a new Edge Uplink Profile along with an Edge Cluster and automatically associate all Edge VMs to Edge Cluster.

I have created a new Github repository called vghetto-nsxt-automated-lab-deployment which contains detailed instructions along with the PowerCLI script.

Here is what the script is currently performing:

  1. Deploy and configure vCenter Server Appliance 6.5u1
  2. Deploy and configure 3 x Nested ESXi 6.5u1 Virtual Appliance VMs and attaching it to vCenter Server
  3. Deploy NSX-T Manager, 3 x Controllers & 1 x Edge and setup both the Management and Control Cluster Plane
  4. Configure NSX-T with IP Pool, Transport Zone, Add vCenter Server as Compute Manager, Create Logical Switch, Prepare ESXi hosts, Create Uplink Profile & Add configure ESXi hosts as a Transport Node

Similiar to the vSphere version of this script, all deployed VMs will be placed inside of a vCenter vApp construct as shown in the example screenshot below:


Here is an example output of a succesful deployment and you go from nothing to a fully functional NSX-T environment in just 50 minutes, which is pretty awesome if you ask me!?

[Read more...]

Categories // Automation, Home Lab, NSX, PowerCLI, VCSA, vSphere 6.5 Tags // ESXi 6.5, NSX-T, PowerCLI, vSphere 6.5 Update 1

AHCI (vmw_ahci) performance issue resolved in ESXi 6.5 Update 1

07.27.2017 by William Lam // 44 Comments

For customers who had SATA controllers that consumed the VMware Advanced Host Controller Interface (AHCI) driver found that after upgrading to ESXi 6.5, the disk performance for those devices were significantly impacted. Basic operations such as cloning or uploading an OVF/OVA would literally double if not triple in time. In fact, I too had observed this same behavior when I had upgraded my Intel NUC (not an officially supported platform) to ESXi 6.5. One thing I had noticed at the time when others were reporting simliar issues was that their HW platforms were also not on the VMware HCL, so I was not sure if this was limited to only home-lab environments?

In any case, I and others eventually stumbled onto this blog article by Sebastian Foss who I believe may have been the first to identify a workaround which was to simply disable the new AHCI Native Driver which loads by default and forcing it fall back to using the legacy AHCI driver which made the issue go away after a reboot. Although the folks who had reported seeing simliar issue were all using hardware platforms that were not officially on the VMware HCL, I decided to still file an internal bug and hoped someone could take a look to see what was going on.

With the release of ESXi 6.5 Update 1, I am happy to report the observed performance issues with the Native AHCI driver have now been resolved! I have been running on earlier release of ESXi 6.5 Update 1 build for couple of weeks now and have not seen any of the problems I had before. For those interested, the official fix went is in version 1.0.0-37vmw or greater of the vmw_ahci driver.

You can easily verify for this by running the following ESXCLI command to retrieve the version of your vmw_ahci driver:


If you had disabled the Native AHCI driver, you will definitely want to re-enable it. You can check if its been disabled by running the following ESXCLI command and checking the second column to see if it shows "false":

esxcli system module list | grep vmw_ahci

If the Native AHCI driver is disabled as shown in the previous command, then you can re-enable it by running the following ESXCLI command:

esxcli system module set --enabled=true --module=vmw_ahci

Once you have re-enabled the driver, you will need to reboot for the changes to go into effect.

Categories // ESXi, Home Lab Tags // AHCI, ESXi 6.5 Update 1, native device driver, vmw_ahci

Project USB to SDDC - Part 3

05.11.2017 by William Lam // 30 Comments

OK, the wait is finally over! In this final article, we will now walk through the process of getting access to this project as well as how to get this deployed in your own environment. For those that just want to see the code, you can find it at the Github project below:

Github Project: https://github.com/lamw/usb-to-sddc

Below are the details outlining the environment and software requirements as well as the instructions to consume this in your own home lab environment. The content below is a subset of what is published on the Github project, but this should get you going. For more details, please refer to the Github project and if you have any issues/questions, feel free to file a Github issue.

Environment Requirements:

  • USB key that is at least 6GB in capacity
  • Access to either macOS or Linux system as the script that creates the USB key is only supported on these two platforms
  • No additional USB keys must be plugged into the hardware system other than the primary installer USB key
  • Hardware system must have at least 2 disk drives which can either be 1xHDD and 1xSSD for running Hybrid vSAN OR 2xSSD for running All-Flash vSAN
  • Both Intel NUC 6th Gen and Supermicro E200-8D and E300-8D have been tested with this solution. It should work with other hardware systems that meet the minimum requirements but YMMV

Software Requirements:

  • ESXi 6.5a - VMware-VMvisor-Installer-201701001-4887370.x86_64.iso
  • VCSA 6.5b - VMware-VCSA-all-6.5.0-5178943.iso
  • DeployVM.zip
  • UNetbootin (Required for Mac OS X users)

Note: Other ESXi / VCSA 6.5.x versions can also be substituted, this includes the latest ESXi 6.5d (vSAN 6.6) release which I have also verified myself.

UPDATE (04/17/18) - No changes are required to get vSphere 6.7 to work, the only minor thing to be aware of is that the vSphere Web Client customization has changed in 6.7 and so you need to set VCSA_WEBCLIENT_THEME_NAME="" as empty string or you will find that the UI will not load unless you delete the customization directory in the VCSA that was pulled down automatically.

[Read more...]

Categories // Automation, ESXi, Home Lab, VCSA, VSAN, vSphere 6.5 Tags // Docker, ESXi 6.5, Photon, usb, VSAN, vSphere 6.5

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William is Distinguished Platform Engineering Architect in the VMware Cloud Foundation (VCF) Division at Broadcom. His primary focus is helping customers and partners build, run and operate a modern Private Cloud using the VMware Cloud Foundation (VCF) platform.

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