I would do c) if it can be done without hassle, then e) and then g). The load balancer should do e) by default - don't forward to broken servers. g) takes time

I would do c) if it can be done without hassle, then e) and then g). The load balancer should do e) by default - don't forward to broken servers. g) takes time and concentration, and you don't want any interruptions while debugging.