The statvlun command in the HPE Alletra 9000 CLI is used to display real-time statistics on exported volumes, including the roundtrip time (RTT) of an I/O as seen by the system. This command provides detailed insights into the performance of the volumes, helping administrators monitor and optimize the storage system's performance in real-time.
Reference:
HPE Alletra 9000 CLI Commands
HPE Storage Performance Monitoring