VMware announced on last Friday that they found a vulnerability which affect hosts contain VMs running with VMXNET3 due to several reasons, and this vulnarability affected VMware ESXi, Workstation, and Fusion updates address uninitialized stack memory usage. Problem Description VMware ESXi, Fusion and Workstation contain uninitialized stack memory usage in the vmxnet3 virtual network adapter. This issue […]
Nutanix What’s in a Name?Nutanix What’s in a Name?
It was very difficult to distinguish between different service names in Nutanix platform, but now Nutanix surprised us by changing the names of some services to be easy and without user angst. Acropolis File Services (AFS) is now Nutanix Files Acropolis Block Services (ABS) is now Nutanix Volumes Object Storage Services is now Nutanix Buckets Xi Cloud DR services is […]
Nutanix Announced New Versions of CalmNutanix Announced New Versions of Calm
Now Calm can define, control, and manage workloads on any ESXi infrastructure (running ESXi 5.5, 6.0, or 6.5) from a single interface, and Google Cloud Platform (GCP), allowing your blueprints to reach beyond your datacenter into the Google Cloud to take advantage of all the Google Compute Engine features. With latest releases of Calm (5.7, 5.8) […]
Load Balanced Volume GroupsLoad Balanced Volume Groups
AHV hosts support load balancing of vDisks in a volume group for user VMs. Load balancing of vDisks in a volume group enables IO-intensive VMs to utilize resources such as the CPU and memory of multiple Controller VMs (CVMs). vDisks belonging to a volume group are distributed across the CVMs in a cluster thereby improving […]
Scale out Prism CentralScale out Prism Central
In AOS 5.6 you can expand Prism Central from a single VM to three VMs, increasing the capacity and resiliency of Prism Central. If Prism Central is just a single VM currently, you can expand it to three VMs. This increases both the capacity and resiliency of Prism Central (at the cost of maintaining two […]
Flow MicrosegmentationFlow Microsegmentation
What is Flow? Flow networking is a software-defined networking solution option tightly integrated into Nutanix AHV and Prism. Flow provides rich visualization, automation, and security for VMs running on AHV. Microsegmentation is a component of Flow networking that simplifies policy management. Using multiple Prism Central categories (logical groups), you can create a powerful distributed firewall […]
Nutanix Two-Node ClustersNutanix Two-Node Clusters
A traditional Nutanix cluster requires a minimum of three nodes, but Nutanix also offers the option of a two-node cluster for ROBO implementations and other situations that require a lower cost yet high resiliency option. Unlike a one-node cluster, a two-node cluster can still provide many of the resiliency features of a three-node cluster. This […]
Install VMware vCenter Appliance Security PatchesInstall VMware vCenter Appliance Security Patches
VMware announced on September 22th, 2017 that they are committed to monthly patches on the vSphere vCenter appliance, and we have to check the latest security updates and patches in VMware Security Advisories. Rally this is an excellent change from a security perspective as historically, VCSA patches when running on SuSE were not released that often, and VMware […]
Terminate unresponsive virtual machines by ESXi MethodsTerminate unresponsive virtual machines by ESXi Methods
I’ve written this post after coming across an issue I had not seen in a while, an unresponsive VM in vSphere client to any orders issued to it such as restart, shutdown, or power off. It happens from time to time by unresponsive; I meant a guest OS that will categorically ignore any remote orders […]
Nutanix Cluster CheckerNutanix Cluster Checker
Nutanix Cluster Checker (NCC) tool is using to check the overall health of the Cluster and identify other possible problems through a set of scripts available in each CVM. The NCC allows the user to be more proactive instead of reactive and solve potential problems ahead of time. This tool not only checks if the Nutanix (AHV) has some problem but […]
Create Nutanix Image Configuration StorageCreate Nutanix Image Configuration Storage
The Nutanix Image Configuration is a Storage location on the Storage Containers that we can only use to store CD-Rom ISOs and other Image files. Also; we can store the most of HD or image formats such as (raw, vhd, vhdx, vmdk, vdi, iso and qcow2). Once we upload such files to the Nutanix Image Configuration storage, […]
Nutanix Default Cluster CredentialsNutanix Default Cluster Credentials
Default Cluster Credentials Each component of Nutanix has a different login credential, so in this post, I will explain all credentials you need to manage your Nutanix components (Node, Cluster, CVM web console, CVM SSH). [table id=2 /] Thanks for Reading!
Build Your Own Nutanix Cluster with Nutanix Community Edition Nested On VMware ESXiBuild Your Own Nutanix Cluster with Nutanix Community Edition Nested On VMware ESXi
Nutanix Community Edition or CE for short is available for free download from Nutanix and traditionally would be run on some decent hardware. However, for everyone out there with a home or private lab, it’s valuable to be able to nest Nutanix CE on ESXi. There are several guides out there, but it seems that the more […]
VMware Horizon 7.5.0 What’s NewVMware Horizon 7.5.0 What’s New
VMware has released Horizon View 7.5.0 with support for vSphere 6.7 and other new features; also released an update for a set of auxiliary and complementary applications such as: VMware User Environment Manager 9.4.0. VMware App Volumes 2.14.0. Horizon Client 4.8. Horizon View 7.5.0 What’s new in Horizon Connection Server Horizon Console Horizon Console is the […]
Photon OS vs Photon PlatformPhoton OS vs Photon Platform
The question puzzled me a lot, which is the difference between the Photon OS and Photon Platform. So I decided to clarify the differences between them in this article so that we can keep this as a useful reference. What is Photon OS? The photon system is an open source, built on the lowest […]
WHAT IS PHOTON OS?WHAT IS PHOTON OS?
What is Photon OS? Project Photon OS is an open source Linux container host optimized for cloud-native applications, cloud platforms, and VMware infrastructure. Photon OS provides a secure runtime environment for running containers. How Photon OS Works? By minimizing the number of packages, focusing on security, and providing advanced lifecycle management, Photon OS delivers just enough of […]
Nutanix Components – Part3Nutanix Components – Part3
In this article, I will introduce Nutanix cluster components in a simple way, and I will explain all details here in more depth in another article. Nutanix cluster contains a group of components that work together in harmony and depends on one another, and I will review here in a hurry the role of each element […]
vCenter 6.7 Deployment – External PSC with F5 BIG-IP Load Balancer (Part 4.3)vCenter 6.7 Deployment – External PSC with F5 BIG-IP Load Balancer (Part 4.3)
I’m going to deploy a single instance of a vCenter Server. When I’m going through the vCenter HA configuration process my vCenter will become (Active Node, Passive Node, and Witness Node) will be created during that process. I will not deploy these appliances beforehand. First, I’m going now to finalize the last step of PSC HA which is run […]
Nutanix Components – Part2Nutanix Components – Part2
In this article, I will explain the Nutanix hardware components, and the differences between logical and physical datastores, also a group of terminologies that using in Nutanix technology. Nutanix Hardware Components & Terminology 1. Nutanix Node The foundational unit for the cluster is a Nutanix node. Each node in the cluster is a standard x86 […]
How to resolve failed to deploy OVA / OVF issue (postNFCData failed)How to resolve failed to deploy OVA / OVF issue (postNFCData failed)
During the deployment of OVA or OVF appliance I have faced an issue which is: Failed to deploy VM: postNFCData failed: Capacity of an uploaded disk is larger than requested Also; the upload process has failed with the listed issue: This issue occurs when an incorrect ovf capacity size is specified in the OVF file that […]
vCenter 6.7 Deployment – External PSC with F5 BIG-IP Load Balancer (Part 4.1)vCenter 6.7 Deployment – External PSC with F5 BIG-IP Load Balancer (Part 4.1)
In this Part 4.1 of the multi-part series for vCenter Server 6.7 deployment, I’m going to deploy the two external Platform Services Controller (PSC) appliances. The PSCs will be load balanced by a 3rd party load balancer. In a real-life deployment, the load balancer could be a virtual or physical appliance, but in my scenario, I will use a virtual appliance. […]
vCenter 6.7 Deployment – External PSC Single Nodes (Part 3.2)vCenter 6.7 Deployment – External PSC Single Nodes (Part 3.2)
Let’s complete deploying of VCSA with external PSC. In part3.1 I have successfully deployed & configured PSC, so I’m going now to deploy and configure VCSA 6.7 in external PSC mode without HA or LB. Also; I have created the DNS record for both of them (PSC & VCSA), so I will start deploying the […]
vCenter 6.7 Deployment – External PSC Single Nodes (Part 3.1)vCenter 6.7 Deployment – External PSC Single Nodes (Part 3.1)
Hi everybody, in this part I will demonstrate how we can deploy VCSA External PSC separately, means just single node for each part of VCSA 6.7 Let’s start to deploy PSC appliance firstly then we will go to deploy VCSA 6.7. Step1 Create proper DNS A records for the new PSC & VCSA on your […]
vCenter 6.7 Deployment – Embedded PSC (PART 2)vCenter 6.7 Deployment – Embedded PSC (PART 2)
In this part, I’m going to explain how we can deploy vCenter Server Appliance 6.7 with Embedded PSC. First You have to Download the vCenter Server 6.7 from VMware Portal, you can find the download link below. Download First of all, you should create proper DNS A record for the new VCSA server on DNS […]
vCenter 6.7 Deployment &Topology – Overview (Part 1)vCenter 6.7 Deployment &Topology – Overview (Part 1)
In this part of vCenter deployment series, I will demonstrate the deployment topologies of vCenter server 6.7 so vCenter server 6.7 has two deployment topologies we can either do vCenter with an embedded PSC or vCenter with an external PSC. In addition, review the steps required to deploy and configure the new vCenter Server Appliance 6.7 with […]
Upgrade vCenter Appliance from 6.5 to 6.7Upgrade vCenter Appliance from 6.5 to 6.7
In this article, we will explain how we can upgrade vCenter appliance from 6.5 to 6.7 in vCentern Embedded mode. The upgrade is easy, straightforward, and very fast. Mount VCSA DVD, and run installer.exe which located in X:\vcsa-ui-installer\win32, then click on the upgrade to start the upgrade process. Click next. Accept EULA then click next. […]
How to Install Photon OSHow to Install Photon OS
First I downloaded Photon iso file (Photon OS 2.0 GA) from this link. Then I created a VM instance in ESXi as I mentioned in the screenshot, and mounted the Photon ISO file to start the installation process. Power-on the VM to start the installation process as below, then press enter key Install option. Accept EULA. Select the […]