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Power Failure @ Dallas – ExchangeDefender Network Operations

February 9, 2009

Power Failure @ Dallas

Filed under: Data Center Ops — admin @ 12:37 am

We experienced a brief power failure at 10:20 PM Central in our Dallas 3 data center. The outage affected roughly 20 servers and was caused by a failure in a PDU (power strip) that tripped. Outage affected a very small section of the ExchangeDefender network which is fully redundant and was not affected at all by this outage. As a precaution, we have taken the affected nodes out of the scanning pool until their hourly reload of network configuration at which point they will resume normal operations.

ExchangeDefender uptime, availability and load were not affected as this is a very low activity time window and a very small portion of the scanning network. As our storage arrays are not on the same PDU as the scanning nodes, there was no interruption or delay in scanning service.

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