1: What is virtualization? Why virtualization?
-- To understand what virtualization is, let's first look at the current IT status of enterprises? Understand why there is a need for virtualization.
--- 1Enterprise itStatus quo
In enterprises, important applications and business systems must run on servers. Generally, only one business system is run on one server. As Business Development develops rapidly, the increasing number of business systems poses the following problems:
--- 1) The number of servers required will increase.
--- 2) The consumption of land occupation, electricity, and other resources is growing.
--- 3) Server maintenance, upgrading, and raising costs are getting higher and higher.
The current situation of the above enterprises has brought about the following requirements:
--- 1You can use one server as multiple servers to reduce footprint and power consumption.
--- 3To improve the flexibility of server maintenance. One person can maintain more servers and reduce operation costs.
--- 3Enterprises also need to modernize and transform their information systems.
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===What is virtualization ??? ---In layman's terms, virtualization is to use folders to represent a single server in the physical server "system" to enable the installation of multiple "virtual" servers on a physical server, these virtual servers run at the same time and are independent of each other.
---Through virtualization, what is the relationship between these virtual machines and hardware ??
With virtualization, each Virtual Machine (VM)) Hardware resources are accessed through the virtualization layer. In this way, we can allocate resources to the above virtual machines through the virtualization layer.
Start virtualization technology-1 What is virtualization?