SNAX/XF LU Network Services Manual

Messages and Codes
ESS System Messages
B–8 097841 Tandem Computers Incorporated
" UNABLE TO ALLOCATE GATEWAY LU --> S0020 "
Cause
The failing command matches the command name of an ESSCMD record in the
terminal’s ESS table, and that record contains SENDHOST Y. In attempting to
establish a passthrough session with a host application, LUNS was unable to find
an available gateway LU as was specified in the ESSCMD record.
When the gateway line resides in a different node from the terminal, system
message S0045 is returned to the terminal.
Effect
The failing command is ignored and the terminal’s keyboard is reset to allow the
entry of another command. Additional information can be found in EMS event
message 81 (LUNS error code 2305, 2311, or 2325.
Recovery
Check EMS event message 81 for LUNS error code 2305, 2311, or 2325 and consult
its description in the Operator Messages Manual for the appropriate recovery action.
" INTERNAL LINK ERROR --> S0021 "
Cause
During processing of the failing command, an error occurred when an inter-
process message was sent to a SNAX/XF line-handler process.
Effect
The failing command is ignored and the terminal’s keyboard is reset to allow the
entry of another command. Additional information can be found in EMS event
message 81 (LUNS error code 2307 or 2309).
Recovery
Check EMS event message 81 for LUNS error code 2307 or 2309 and consult its
description in the Operator Messages Manual for the appropriate recovery action.