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Showing posts with the label vsphere

Introducing VMware vSAN 8.0: New Features and Enhancements Unveiled

 Introduction: VMware vSAN 8.0 brings forth a range of exciting features and enhancements, aiming to revolutionize storage architecture and elevate performance.  Let's explore the key highlights of this major release and discover how it improves scalability, usability, and overall efficiency. 1) vSAN Express Storage Architecture (ESA): VMware introduces vSAN Express Storage Architecture (ESA) as an alternative to the original storage architecture (OSA). ESA presents a cost-effective and scalable solution specifically designed for edge and remote deployments.  It employs a streamlined, single-tier architecture, where all devices contribute to storage capacity. This eliminates the need for disk groups with caching devices, simplifying deployment and reducing costs. 2)Native Snapshots with Minimal Performance Impact: vSAN ESA now offers native snapshots that have minimal impact on virtual machine (VM) performance, even with deep snapshot chains. These snapshots seamlessly integrate wi

Unleashing the Power of Hyperconverged Infrastructure: A Comprehensive Analysis of Leading HCI (VMware vs Nutanix)

In Today's fast-moving technology, all want to have a one-stop solution that could help procure all of their services and general needs. Initially, as I mentioned technology phase is where we'll be discussing two major private cloud offering players in the market (VMware and Nutanix). These players were having a great presence in the market due to the robust features they offer to their customers. credit: Datanet Let's get started... First, let's understand the top player's portfolio and their offerings. VMware: VMware, headquartered in Palo Alto, California, is a renowned leader in delivering comprehensive multi-cloud services that drive digital innovation while maintaining enterprise control. By offering a range of products and services, VMware assists organizations in revolutionizing their IT infrastructure, fortifying security measures, and minimizing costs. Founded in 1998, VMware has emerged as a prominent force in the industry, boasting a workforce of over 30

VMware Cloud Foundation 5.0: A Game-Changing Unified Software Platform for Cloud Management

In the dynamic world of cloud computing, staying ahead of the curve is essential for businesses seeking scalability, security, and cost-efficiency. As VMware is a leading provider of virtualization and cloud computing software has recently unveiled VMware Cloud Foundation 5.0 (VCF 5.0), the latest version of its unified software platform for building and managing private clouds. Packed with an array of new features and improvements, VCF 5.0 offers enhanced scalability , advanced security , extended support for Kubernetes , and streamlined management capabilities. This article explores the key highlights of VCF 5.0 and why it should be on your radar when considering a cloud platform. 😃                                                                                                                                                                     Credit: VMware Improved Scalability: One of the standout features of VCF 5.0 is its improved scalability. With support for up to 100,000 vCPU

Project Pacific VMware

Project Pacific Project Pacific is a re-architecture of vSphere with Kubernetes as its control plane. To a developer, Project Pacific looks like a Kubernetes cluster where they can use Kubernetes declarative syntax to manage cloud resources like virtual machines, disks and networks. To the IT admin, Project Pacific looks like vSphere – but with the new ability to manage a whole application instead of always dealing with the individual VMs that make it up. Project Pacific will enable enterprises to accelerate development and operation of modern apps on  VMware vSphere  while continuing to take advantage of existing investments in technology, tools and skillsets. By leveraging Kubernetes as the control plane of vSphere, Project Pacific will enable developers and IT operators to build and manage apps comprised of containers and/or virtual machines. This approach will allow enterprises to leverage a single platform to operate existing and modern apps side-by-side. The


vMotion VMware vMotion enables the live migration of running virtual machines from one physical server to another with zero downtime, continuous service availability, and complete transaction integrity. It is transparent to users. vMotion advantage: Automatically optimize and allocate entire pools of resources for maximum hardware utilization and availability. Perform hardware maintenance without any scheduled downtime. Proactively migrate virtual machines away from failing or underperforming servers. Virtual machine and its host must meet resource and configuration requirements for the virtual machine files and disks to be migrated with vMotion in the absence of shared storage. vMotion in an environment without shared storage is subject to the following requirements and limitations: The hosts must be licensed for vMotion. The hosts must be running  ESXi  5.1 or later. The hosts must meet the networking requirement for vMotion. See  vSphere vMotion Net

Enhanced vMotion

Enhanced vMotion (EVC) vSphere Enhanced vMotion is a feature through which workload can be live migrated from one ESXi host to another ESXi host which are running on different CPU generation but with same cpu vendor. EVC in vSphere was introduced in vSphere 5.1 using vMotion and Storage vMotion terminology. EVC can be enabled at the vSphere ESXi Cluster and on VM's. Figure 1 VMware EVC Mode works by masking unsupported processor having different generation of same vendor and presenting a homogeneous processor to all the vm's in a cluster. The benefit of EVC is that you can add ESXi host consist of latest processors to exising cluster without incurring any downtime. The VMware Compatibility Guide is the best way to determine which EVC modes are compatible with the processors used in your cluster.  Below in  figure 1 demonstrates how to determine which EVC mode to use given 3 types of Intel processors.

RAM Disk full on ESXi host

Sometime we used to get issue where were are not able to perform vMotion or logging was unable to write under /var/log.. While trying to do some normal things – like vMotion. I noticed an error which states just “A general system error occurred.”  On further investigation, I found that the underlying message was an out of disk space message while trying to proceed with a Storage vMotion. Observations during issue While vMotion   – “A general system error occurred:” While performing Storage vMotion  – “/var/log/vmware/journal/xxxx error writing file. There is no space left on the device.” Steps during troubleshooting Go to Configuration tab on host in vCenter client, go to Security Profile, click Properties link on the Services section. Scroll down to SSH and highlight – click options – click start to start SSH service. Use putty or reflections to ssh to the host. If you get a connection rejected – root filesystem ramdisk is probably full. Go to console (either throug