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The IT number of the Beast - doubled!
Experimental jet-powered locomotive test bed Last year I blogged about 497 being the IT number of the beast . Why 497? Because if a product uses a 32 bit counter to record uptime, and that counter records a tick every 10 msec, then that 32-bit counter will overflow after approximately 497.1 days. This is because a 32 bit counter equates to 2^32, which equals 4,294,967,296 ticks. If a tick is... [More]
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497 - The number of the IT beast
I recently had a client ask me if I had seen this problem in Cisco Device manager: Device Manager was showing them 100% utilisation for CPU on one of their MDS9509s. I had a look at the show tech-support and curiously show process cpu showed practically no CPU usage at all. I suggested a display problem and sure enough, Cisco confirmed it : CSCte81951
Symptom: The show system... [More]
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