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My sever needs 10Kva UPS but i have connected all the six rack severs+ SAN storage in a 5 Kva UPS...power shut down is 99.9% impossible..but still wat would happen if power goes off ! suggest and advice..!

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If your UPS are under powered you may trip the circuit breaker or you may damage equipment. –  Zoredache Mar 9 '10 at 18:05

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Well, since you need 10Kva, and only have 5Kva UPS, you're servers are going to go down ... hard. The only real solution is to get a properly sized UPS.

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