We are getting an "Unknown device error" with code -305 in the event viewer on our ASA9 (version 188.8.131.521) server. When it happens, nobody can connect to the database until we stop/start it. The failuer is accompanied by the following messages in our log file:
I. 12/06 13:46:32. A read failed with error code: (38), Reached the end of the file.
E. 12/06 13:46:32. Fatal error: Unknown device error
I. 12/06 13:46:32. Fatal error: Unknown device error