Re: It seems entire nation is waiting for El Reg readers to tell them whats going on
What happened was almost certainly a simple change to the overnight batch run. Not properly tested before implementation and caused a problem that was not caught before the end of the run. The batch run completed and the online systems were brought up for the next day and then the problem was spotted. You then have to back out the online transactions, back out the batch run back out the change, rerun the batch, reapply the online transactions. Unfortunately the overnight batch takes all night to run and doing all that other stuff is time intensive too. This problem stems from the RBS takeover of Natwest, RBS (small bank) management says "why the hell does this mainframe stuff take so long and cost so much?" Natwest management say "Well it's all the testing and expensive mainframe staff" RBS management look to India and thinks hmm......