On Thu, 26 Jul 2012 09:07:33 -0400, Ð?Ñ?игоÑ?ий Ð?Ñ?аÑ?иÑ?лава said: > Really? Shut down is entire racks? Because you will have > backup/standby entire 42Us? If you can't shut down the entire rack, you've screwed up your DR and business continuity planning. This isn't just a problem for large sites - I've seen lots of places claim "We can't take 3 hours of downtime to patch/upgrade/test/whatever because everything is on that one server". And my response has always been "And what were you planning to do if you blew out a power supply or a system board and had a 3-hour outage?". But unfortunately, you're right - most places have screwed up their DR planning and can't shut down. They've also screwed up their network config so it isn't trivial to track down which port a problem attacker is on. (And yes, tracking down a miscreant at level 2/3 *is* trivial if your network is in fact properly designed and managed)
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