i'm trying to find the way to to add new member to indexer cluster. do i need to follow same step that i used during initial steps or are there any different methods to it.
for example my initial setup was with 6 nodes now i want to add one more
It will be the same method that you used to configure indexer cluster peers. If you don't plan to change the replication and search factors (multisite specific), then you can just use the same configurations you used for existing peers.
Thanks for quick response.