It you really need to rollback a software upgrade you need to work with EMC Support via a service request  for config backup run an save a data collect  for data backup use NDMP for file based data
Dear Guys,  We are using EMC VNXe 3200 Now our EMC software is 3.1.5.7213336. We can see that new software version available.My question is that when we upgrade the software some thing goes to wrong otherwise upgrdation failed, How to roll back EMC system.If it is failed what is impact .Same like How to take backup EMC .We have no replication facility right now.    SO please give your valuable advice and suggestion  for me.   Thanks  Arun A +918725024764
How to roll backup EMC VNXe 3200 If upgrade software is failed