Hi Team,

When I reboot mongo01 node its going to take primary as mongo02 node. After rebooted the mongo01 node get back to primary with STARTUP state. After sometime(20 ms ) moved to PRIMARY state. Please suggest me, why this was happened on my machine. 

Previously it didn't happened like that. 

2020-07-29T14:51:50.696+0530 I REPL [replexec-244] Member mongo01:27717 is now in state STARTUP

2020-07-29T14:52:10.703+0530 I REPL [replexec-249] Member mongo01:27717 is now in state PRIMARY

2020-07-29T14:51:52.803+0530 I REPL [replication-1] ******
2020-07-29T14:51:52.803+0530 I STORAGE [replication-1] dropAllDatabasesExceptLocal 1
2020-07-29T14:51:52.803+0530 I ASIO [NetworkInterfaceASIO-RS-0] Connecting to mongo02:27717
2020-07-29T14:51:52.804+0530 I ASIO [NetworkInterfaceASIO-RS-0] Successfully connected to mongo02:27717, took 1ms (1 connections now open to mongo02:27717)
2020-07-29T14:51:52.805+0530 I ASIO [NetworkInterfaceASIO-RS-0] Connecting to mongo02:27717
2020-07-29T14:51:52.821+0530 I ASIO [NetworkInterfaceASIO-RS-0] Successfully connected to mongo02:27717, took 16ms (2 connections now open to mongo02:27717)
2020-07-29T14:51:52.827+0530 I REPL [replication-1] CollectionCloner::start called, on ns:admin.system.users

Thanks,

Vasanth