Hi sriram
we have already create test system and test is at last level now we need to do that same on PRD system
for upgrade with SUM it took almost 1 week and we have 10gb ram in test system and we have 32gb ram in PRD and we have only maximum 3 days of downtime for this activity
i am asking for this only can we copy prd data to some other system called stand by prd server till upgrade process done if it is possible kindly suggest the steps ..
Regards