An understudy is a theatrical term for someone who learns the lines and moves of a leading actor or actress in a theatrical play. Should the lead actor or actress be unable to appear on stage because of illness or accident, the understudy takes over the part. Usually, when the understudy takes over, the theater manager will make the anouncement prior to the start of the performance. Several actors made their name in showbiz by being the understudy of a leading actor and taking the role over for several performances.
Understudy provides a ``quick-start'' white paper on their web site which is recommended reading, along with the white papers on web server specifics and on round robin DNS.
Understudy does not automatically mirror information from one server to another, although Polyserve has stated that is a goal for a future version.
Understudy should be a godsend for the beleaguered system administrator, server farm or ISP that needs to have services up 24/7 through reboots, failures and planned outages.
An understudy is a theatrical term for someone who learns the lines and blocking/choreography of a leading actor or actress in a theatricalplay.
Several actors made their name in showbusiness by being the understudy of a leading actor and taking the role over for several performances (for example, Anthony Hopkins with Lawrence Olivier).
More recently, the term "understudy" has generally only been applied to performers who will cover a part, but still regularly perform in another role within the show, usually a minor, extra role.
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