You can view the execution result of the bootstrap operation on the Bootstrap Action tab page of the cluster details page.
The cluster details page is displayed.
You can log in to each node to view run logs stored in /var/log/Bootstrap. If you add bootstrap actions before and after component start, you can distinguish bootstrap action logs of the two phases based on the timestamps.
If the ECS where bootstrap actions are performed has been reclaimed, you need to log in to OBS to view the logs. MRS collects the logs of each node to the OBS bucket you specified when you create the cluster.
You are advised to print logs in detail in the script so that you can view the detailed run result. MRS redirects the standard output and error output of the script to the log directory of the bootstrap action.