Has anyone recently encountered a case of SQL Server being migrated to DB2 on mainframe? Linux or zOS? Whose fault is this? the data center operator? or ANZ for not having functioning DR?
Was all this a test? The last URL says: "the power outage which appeared to have been caused by a failed oil pressure sensor on a back-up generator." I am assuming that the data center is normally on the power grid. So was the DC testing the procedures that would be followed in the event of a failure of outside power?
Potentially a circuit breaker could trip, and instantaneously outside power is gone. The battery backup system should last long enough for the backup generators to come on line.
It is also possible that the public utility power grid becomes overloaded during a hot day, voltage starts to drop, damaging things like electric motors, which depend on a certain voltage. The data center would detect an undervoltage, start their backup generators, put it on-line in parallel with the grid, transfer load, then trip the breaker to the grid.
Recall that the Chernybol disaster occured because the operators were testing a failure scenario (http://en.wikipedia.org/wiki/Chernobyl_disaster)
Anyways, keep these URLs should anyone ever suggest moving from SQL Server to an IBM Global Services solution.