These days, there are many questions about VMware's virtualization solutions. VMware is without a doubt the industry's leading provider of virtualization solutions. When people first start out with VMware's virtualization platform, they often get confused when learning about VMware vSphere and its components. So, today I will give a comprehensive introduction to them here. It's hard to understand the main components of vSphere. It is necessary to understand the differences between vSphere, ESXi, and vCenter. To learn more about vSphere, you can install a vSphere in VMware Workstation.
VMware Inc. has developed a number of product suites, particularly in the area of providing different virtualization solutions. It includes many cloud products, data center products, and desktop products.
vSphere is a software suite that is part of the data center offering. vSphere has many products like Office, Excel, etc. vSphere also includes many software components, such as vCenter, ESXi, vSphere client, etc. So the collection of these software is called vSphere. vSphere is not a software that you can install and use, it is simply a collection of software suites.
ESXi, vSphere client, and vCenter are all parts of vSphere. ESXi server is the most important part, ESXi is a virtualization server. He is a type 1 hypervisor. All virtual machines or guest operating systems are installed on the ESXi server, and you may also need other parts of vSphere - vSphere client or vCenter. Administrators can connect to ESXi servers through the vSphere client to access or manage virtual machines. The vSphere client is used to connect ESXi from the client machine to perform tasks. So, the question now is, what is vCenter? Why do we need him? We can completely clone virtual machines through the vSphere client without the need for a vCenter server.
vCenter server is similar to vSphere client, but it is a server with more powerful features. vCenter server can be installed on Linux or Windows. VMware vCenter server is a centralized management application that manages virtual machines and ESXi servers. The vSphere client can manage multiple ESXi servers by accessing the vCenter server. vCenter server has many enterprise-grade features such as vMotion, VMware High Availability, VMware Update Manager, and VMware Distributed Resource Caller (DRS). For example, you can easily use vCenter Server to clone an existing virtual machine. Therefore, vCenter is an important part of the vSphere suite. You must purchase a separate license for vCenter.
The schematic above shows the vSphere suite more vividly. vSphere is a product suite, and ESXi is a manager installed on a physical machine. vSphere Client is installed on a laptop or desktop PC to access the ESXi server for virtual machine creation and management. The vCenter server is installed on top of ESXi like a virtual machine. vCenter servers can also be installed on different independent physical servers, but why not virtualization? When you have multiple ESXi servers and dozens of virtual machines, vCenter servers are more frequently used. In small environments, the vSphere client is usually used to connect directly to the ESXi server.
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Posted on 2021-9-28 09:47:41
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