repeated Audit Log Minor in Exadata DB server regarding Open and Close session of Shell
i have observed the following Event Log in every Exadata DB server. this Open and Close session is happening in every 5 min.
78109 Audit Log minor Sun Jul 15 09:31:46 2012 host_root : Close Session : object = "/SP/session/type" : value = "shell" : success
78108 Audit Log minor Sun Jul 15 09:31:46 2012 root : Open Session : object = "/SP/session/type" : value = "shell" : success
78107 Audit Log minor Sun Jul 15 09:26:44 2012 host_root : Close Session : object = "/SP/session/type" : value = "shell" : success
78106 Audit Log minor Sun Jul 15 09:26:44 2012 root : Open Session : object = "/SP/session/type" : value = "shell" : success
would you please let me know the significance of this Event and why its occuring so repeatedly.