Definition of "hot-swap" [hot-swap]

• To change a part of something, typically a computer, while it's running. (verb)

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• "In the coming year I want to set up the database to be properly master/slave so in the event of a crash there's less chance of losing any data, and also setting up the second server to be properly hot-swap or at least minimal manual interaction instead of needing someone to go and change and copy things all around to have it working."
• "The ability to hot-swap a battery would be useful to me."
• "I had ordered "two of everything" for the IBM servers, and also specified hot-swap in a couple of sentences."