Hot plug意思

"Hot plug" is a term used in computer hardware and electronics to describe the ability to add or remove components from a system while it is powered on and in operation. This is in contrast to "cold plugging," which involves adding or removing components while the system is turned off.

Hot plugging is particularly useful in situations where downtime needs to be minimized, such as in servers or high-performance computing systems. It allows for the replacement of failed components or the addition of new ones without having to power down the entire system, which can save a significant amount of time and reduce the risk of data loss.

Hot plugging is commonly used for components such as hard drives, expansion cards, and power supplies in computers and servers. It typically requires special hardware and software support to ensure that the system can detect and manage the changes without causing damage or data corruption.