![]() ![]() Vmkernel is the core software responsible of receiving requests from virtual machines for resources and presenting the requests to the physical hardware. Applications running in virtual machines can access these resources without direct access to the underlying hardware. As a Hypervisor, ESXi manages access to all physical resources such as CPUs, memory, network interface cards, storage (HDD, SSDs etc) and other.ĮSXi’s vmkernel sits between the virtual machines and physical hardware and from there it shares the available hardware including CPUs, storage (HDDs, SSDs etc), memory and network interfaces of the physical host amongst the multiple virtual machines. What is VMware ESXi?ĮSXi is a Type-1 Hypervisor which means it’s a piece of software that runs directly on a bare-metal server without the requirement of an operating system. You can use some vSphere components without a vCenter Server but some features will not be available. VCenter Server is the management software or if you prefer, tool, to help manage your vSphere Components and all their features. ![]() So, in summary, the difference between vSphere and vCenter is that vSphere consists of a suite of VMware components with vCenter Server being one of those. You log in to vCenter Server via an HTML5 browser (formally a Flash client) which looks like this:įrom here, we can manage all vSphere related components (and their corresponding features) which include: Earlier versions of vCenter (also known as vCenter Server) ran exclusively on Windows Server (shown in the previous diagram) whereas now VMware now offers the vCenter Server Appliance ( vCSA) which runs on either SUSE Linux Enterprise Server 64-bit ( vCSA v6.0) or VMware’s proprietary Photon OS ( vCSA v6.5 and above). VCenter is a management tool that helps manage multiple ESXi / vSphere Hypervisors within the datacentre. You will notice that this vSphere feature table contains many different technologies which are found in different VMware software components. Here is an overview of some features for the main vSphere editions: vCenter Server is available on all vSphere editions. Looking at the vSphere suite, the components and features that vSphere includes depend on your licenses. vCenter runs on a Windows Server VM and provides the management and control plane of the entire VMware environment. vCenter is the name of one of the components under the vSphere suite.You can think of it as a platform name which includes lots of different components. vSphere is VMware’s name for a suite of Infrastructure products.Unfortunately, getting the product name wrong can result in various costly consequences including purchasing the wrong product or an older version with differentiating feature sets.Ĭontrary to popular belief, vSphere and vCenter are actually different products: Even the largest technology vendors change their product names from time to time. It’s sometimes difficult to keep up to date with the latest names of software. How to Enable or Disable SSH on VMware ESXi via Web GUI, vSphere Web GUI (vCenter), vSphere Client and Shell Consoleĭifference Between VMware vSphere & vCenter.How to Enable SNMP on VMware ESXi Host & Configure ESXi Firewall to Allow or Block Access to the SNMP Service.How to Fix VMware ESXi Virtual Machine 'Invalid Status'.Complete Guide to Deduplication Methods & Their Impact on Storage and VM Backups 6 Key Areas to Consider When Selecting a VM Backup Solution. ![]() Visit our Virtualization and Backup section for more high-quality technical articles.Ĭoncerned about your VM machines and data? Download now your Free Enterprise-grade VM Backup solution Related Articles:
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