> > in my enterprise world, production systems are fully redundant, and have > staging servers running identical software configurations. all upgrades > and upgrade procedures are tested on staging before being deployed in > production. quite often, the staging systems double as the Disaster > Recovery systems, but thats another story. virtually all production systems > either have a schedulable downtime (2am sunday morning?), or support > rolling upgrades with no downtime (such as our 24/7 factory operations > where downtime == no product). > > personally, I'm very glad I work in development, where our informal SLA is > more like 9-9 5 days/week (developers like to work late). Sounds like you have a dream job John! At the very least for a company that spends money on proper hardware!