On Wed, 08 Apr 2009, Mikulas Patocka wrote: > I have seen an installation having generator backup, but with another > serious flaw --- if someone plugged a computer causing short-circuit, it > turned off the circuit breaker for the whole rack :) You will be hard-pressed to find datacenters where the above is NOT true :-) Although, usually one has TWO independent power feeds per rack, so a short is likely to bring down just half of it, and any equipment properly set up with dual independent power feeds should survive... -- "One disk to rule them all, One disk to find them. One disk to bring them all and in the darkness grind them. In the Land of Redmond where the shadows lie." -- The Silicon Valley Tarot Henrique Holschuh -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel