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Zombie

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Zombies Could Be Lurking in Your Data Center: Get Rid of Them

Chances are your data center could save a small fortune in electrical bills and plug some substantial security holes by powering down unused server hardware. As of the end of 2015, there were 42.8 million physical servers in the world: about a third of these servers, or 12.8 million, were on but not actually doing work. A zombie server, also referred to as a comatose server, is a physical server that’s drawing electrical current while not being used. Servers become zombies when a new server takes over its role and it’s not repurposed or decommissioned. Some servers are unused because they’re running applications no one is using. According to TSOLogic, many servers stay running because management is nervous there could be problems by powering down the systems. Read More

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