* Posts by codebran

2 publicly visible posts • joined 19 Jun 2015

Sysadmin shut down server, it went ‘Clunk!’ but the app kept running


I was a trainee programmer in a small software house in London (30yrs back). 10 Staff all run of a little Unix box that was located on a table to the right just as you walked into the office.

As I was keen I was often the 1st one in and would flick the switch on the machine to boot it. This process became one of nonchalance until 1 day I did it and then walked passed the MDs office to see a bunch of faces looking out of the window inquiring why the demo had been so rudely interrupted.

It's OK – this was an entirely NEW type of cockup, says RBS



99.999 is usually applied to hardware and possibly the fault tolerant O/S. Having duplex hardware/ failover clustering etc is quite mature nowadays. It is the crappy in-house application code that will not have that level of availability