1    /GATEWAY_NAME

       /GATEWAY_NAME=name

    This qualifier is required. Specify a gateway name of up to 15
    characters.

    Creates a gateway log named SYS$JOURNAL:name.DDTM$XG_JOURNAL.
    Create a separate Gateway log for each Gateway name under which
    you want your XA applications to run.

2    /SIZE

       /SIZE=size

    Specifies the initial size of the log, in blocks. If you omit
    this qualifier, the log is created with an initial size of 242
    blocks. The log file is automatically expanded in size when
    necessary.