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New vSAN Management 6.6 API / SDKs / CLIs

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With all the new awesome capabilities that have been introduced in vSAN 6.6, there is just as much Automation goodness that will be available for our customers to consume to help them easily mange and operate at scale.

vSAN Management 6.6 API

Below are all the new Managed Objects that have been introduced in the new vSAN Management 6.6 API. This does not even cover all the new methods or object types. For the complete list of vSAN 6.6 APIs, be sure to check out the vSAN Management 6.6 API Reference Guide here.

  • VsanVcsaDeployerSystem – Virtual Center Service Appliance deployment APIs onto vSAN datastore, operating at both vCenter Server and ESXi Host sides
  • VsanVdsSystem – vSAN system optimized VDS related operations, especially migrations from VSS to VDS
  • VsanUpdateManager – VIB installation engine operating at vSAN cluster level (optimized for vSAN clusters)
  • VsanCapabilitySystem – APIs to query vSAN capability, available on both vCenter and ESXi
  • VsanMassCollector – vSAN system management query API's to access data and managed object properties, operating at a vSAN Cluster level in vCenter Server only
  • VsanPhoneHomeSystem – vSAN online health related query API, operating at a vSAN Cluster level in vCenter Server only

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Exploring new VCSA VAMI API w/PowerCLI: Part 10

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In Part 10, we are going to take a look at local user management for the VAMI interface. By default, only the root local user exists but customers have the option of creating additional accounts. In vSphere 6.5, the VAMI has been enhanced to support different roles such as Admin, Operator and SuperAdmin. You can refer to the VAMI documentation on what each of the roles provides.

VAMI UI Area of Focus

There is not a VAMI UI for user management, this is currently only available using the VAMI REST APIs.

VAMI APIs Used

  • GET /appliance/techpreview/localaccounts/user
  • POST /appliance/techpreview/localaccounts/user
  • DELETE /appliance/techpreview/localaccounts/user/{user-id}

PowerCLI Function

Sample Output

To retrieve all VAMI users, use the Get-VAMIUser function. By default, your system will probably only have the root user unless you have already added additional VAMI users.


To create a new user, we will use the New-VAMIUser which requires a few input parameter that should be pretty self explanatory. The role parameter can be one of three values: admin, operator or superAdmin as defined in the VAMI documentation.

Here is an example of creating a new user called lamw:

New-VAMIUser -name lamw -fullname "William Lam" -role "operator" -email "*protected email*" -password "VMware1!"


If we now re-run our Get-VAMIUser command, we should see the new user that we had just created.


To remove a VAMI user, you simply use the Remove-VAMIUser and specify the name of the user you wish to remove. Below is an example of deleting the user we had just created.


One thing to note is that when using the Connect-CisServer cmdlet to interact with the VAMI REST API, it currently does not support connecting with local VAMI users, only SSO users. This is a limitation with the PowerCLI implementation and does not affect direct use of the VAMI REST API or using it through other SDKs. This is something that will be resolved in a future update of PowerCLI, so something to keep in mind as I was scratching my head when trying to use a local user to authenticate.

PowerCLI module for Proactive HA (including simulation)

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Proactive HA is a very cool new feature that was introduced in vSphere 6.5, which enables our hardware vendors to communicate their hardware specific health information directly into vSphere and specifically with vSphere DRS. This hardware health information can then be leveraged by vSphere DRS to take proactive actions to guard against potential hardware failures. Brian Graf, Product Manager for Proactive HA, DRS and overall vSphere Availability has a nice blog post here where he goes into more details on how Proactive HA works.

As Brian mentioned, a few of our select hardware vendors are already in the process of developing and certifying Proactive HA integrations for vSphere, so stay tuned for those announcements in the future by both VMware and our partners. In the meantime, there was an interesting comment from one of our field folks asking whether it would be possible to "simulate" the new Quarantine Mode operation for an ESXi host to be better understand how this feature might work?

Quarantine Mode is new mode for ESXi, which can only be triggered by Proactive HA. It functions similar to the Maintenance Mode operation, but instead of migrating all VMs off, it will allow existing VMs to continue to run but prevent additional new VMs to be placed on the host.

Proactive HA does provide a set of public vSphere APIs under the healthUpdateManager which is primarily targeted at our hardware vendors to consume. However, these APIs could also be used by our customers to get visibility into the current Proactive HA configuration as well as the health of the ESXi hosts from the Proactive HA provider standpoint. Going back to our initial question, it is possible to "register" a fake Proactive HA provider and manually generate health updates to simulate what a real Proactive HA solution could look like.

Disclaimer: This is for educational and lab purposes only. Creating a fake or simulated Proactive HA provider is not officially supported by VMware, please use at your own risk. The creation of Proactive HA providers as well as publishing health updates is for our hardware vendors to consume which in turn will provide native integrations that include customer visible interfaces within the vSphere Web Client.

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