hanishakoneru commented on pull request #1494:
URL: https://github.com/apache/ozone/pull/1494#issuecomment-861880474


   > Questions:
   > 1. On an upgraded cluster, config updated before the start and old OM 
start normally and new OM's started with bootstrap will it work?
   > 2. The same scenario config updated before and one OM started normally, 
and the other two bootstrap ways on the fresh install cluster will not work, as 
discussed in the above comments?
   
   Both these scenarios will not work. But I think it is reasonable to ask 
users to first upgrade (without any config changes) and the follow the steps to 
convert non-HA to HA.
   
   > This is one way to handle this, as we cannot remove the old way of 
starting up OM's. So, if I understandand for the normal start we shall follow 
the existing way of start-up, and when new OM needs to be added then only we 
shall use bootstrap way?
   
   Correct.


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