VMware : vSAN architecture components

The main components of vSAN architecture are the following:

  • Cluster-Level Object Manager (CLOM)
  • Distributed Object Manager (DOM)
  • Log Structured Object Manager (LSOM)
  • Cluster Membership, Monitoring, and Directory Services (CMMDS)
  • Reliable Datagram Transport (RDT)

The vSAN cluster can be compared to a house building where each component has a specific role.

The CLOM process runs on every vSAN node:

              • validates that objects can be created based on policies and available resources.

VMware : Quick Tip – PowerCLI SSL connection could not be established

When trying to connect to a vCenter with PowerShell / Powercli  the following error might occur.

This error happens when your vCenter is using a certificate that’s not trusted by your device.

So you have 2 solutions, the first and the best one change your vCenter certificate to a trusted one.

The second but not the preferable, ignore invalid certificates and you can do this with the command below:

Set-PowerCLIConfiguration -InvalidCertificateAction Ignore -Confirm:$false

After this command, you will be able to connect to

Nutanix April Releases

Nutanix has announced a couple of new releases in April:

All new announcements can be found here: Announcements

Regarding Nutanix Move, there are a few new interesting features with the 3.5.0 release

Nutanix : Run LCM inventory on multiple clusters with Prism Pro Playbooks

http://vinception.fr/wp-content/uploads/2020/04/2020-04-27_23h19_14.png Life Cycle Manager (LCM) is a feature on AOS that tracks software and firmware versions of all entities in the cluster.

From Prism Element (PE) you can use LCM to update AHV, NCC, Foundation, BIOS, BMC, DATA Drives, HBA Controllers, SATADOMs and M.2 Drives, and for Prism Central, you can update Calm, Epsilon, Karbon, and Objects.

Today with LCM Version: 2.3.1.15590, we cannot do central inventory or upgrades PE components from Prism Central (PC), and to do that we need to connect on each PE.

So if you

Nutanix : Run NCC on multiple clusters with Prism Pro Playbooks

One of the reasons engineers tend to prefer automation over clicks is efficiency, especially if there are many days 2 operations and tasks that can be automated.

Through Prism Pro (PC pro), you can use the X-play feature to automate many routine tasks which can be achieved by creating Playbooks.

You can create playbooks based on the following triggers:

  • Alert Trigger: Automatic playbook trigger when an alert is generated
  • Manual Trigger: Manual trigger playbook with select an

Nutanix : Run the NCC health check and collect the output direct on your desktop

NUTANIX CLUSTER CHECK (NCC) is a powerful tool that performs full cluster verification by executing many cheeks.  NCC can be run from the Prism console and for each execution, the ncc-output-lastest log will be generated and located on /home/nutanix/data/.

In this blog post, we will share a few quick tips on how to run the NCC Health Check on your CVM and collect the output directly on your desktop using PuTTY as the terminal.

STEP1: Change the Logging

Nutanix :  Take a VeeamZIP of AHV VMs from the Prism console

One of the Veeam Backup & Replication v10 and AHV Backup Proxy v2 features is VeeamZIP for AHV VMs that allows you to quickly performing backup of  if needed.

To create a VeeamZIP backup, you need to open the Inventory view on the VBR console and select Nutanix AHV at the inventory pane, right-click on the required VM and select VeeamZIP.

The VeeamZIP job  produces a full backup file (.VBK) as an independent restore point for the VM.

As you may know

Veeam : How to resolve Unable to connect to VBR Server:10006 when you deploy AHV proxy appliance

Veeam has released a new version of the AHV proxy appliance NutanixAHVPluginProxy_2.0.558 with a lot of new features that give you more control over backup and restore jobs from the Veeam Backup & Replication (VBR) console.

You might experience a few problems when deploying the new Nutanix proxy appliance with an error “Failed to Deploy AHV proxy VM: Failed to deploy Proxy – Backup REST error: HTTP StatusCode:BadRequest’, Description:'”Unable to connect to VBR Server:10006”, and the Nutanix plugin

VMware : VCDX journey – Thank you !!!!!

I was with family in Serbia enjoying time off, when I received this email from the VCDX team.

To be honest, I didn’t expect to receive anything that day, it was already 04 PM and I remembered receiving result in the morning on my 2 previous attempts, so I definitely didn’t expect that coming!! 

I had to read that mail a few times, just to be sure I was reading correctly and the name was mine. 
The journey wasn’t easy

Nutanix : How to replace default Nutanix ERA certificate

For better security, TLS certificates are necessary to enable secure connections between a browser and your application. In this article, I will show you in fives steps how you change the default ERA certificate with custom certificate

Step 1: Snapshot ERA VM

Step 2: Transfer certificate files to Era VM on specific folder.

You need  a PEM bundle containing:

  • The private key without passphrase
  • The certificate itself
  • Intermediate certificates

Tips: Use openssl to remove passphrase from the private key with the