You want to log the actions of the SAP Gateway. This is especially
interesting if you use external programs regularly and you want to
ensure a smooth operation.
Using the profile parameter gw/logging
You can use the parameter gw/logging to activate/deactivate logging for certain actions.
The parameter has the following syntax:
LOGFILE=<name> ACTION=[TERSMPXVOC] [MAXSIZEKB=n] [SWITCHTF=t] [FILEWRAP=on]
The individual options mean the following:
1. ACTION: You can log the following actions:
(T): Network actions: Opening and closing network connections
(E): Starting external programs
(R): Registering/deregistering servers
(S): Security settings and their changes (reloading files)
(s): Only rejected secinfo and reginfo accesses; see also (Z).
(M): Monitor commands
(P): Dynamic changes to parameters
(X): Start/stop/signals of the Gateway
(V): Creating and deleting conversation IDs
(O): Opening RFC connections
(C): Open/close/data traffic for RFC connections
(Z): Secinfo and reginfo accesses for which no rule applies.
2. LOGFILE: Name of the log file:
Special characters that are replaced for the runtime may occur in the file name:
%y : Year
%m : Month
%d : Day
%h : Hour
%t : Minute
%s : Second
For example: gw_log_%y-%m-%d is replaced for: gw_log-2007-02-28
3. MAXSIZEKB: Maximum size of the log file in kilobytes:
When the file exceeds this size, a new file is opened and the
new file name may change if the special characters are used. This is
the case unless a condition is specified for SWITCHTF that occurs
beforehand.
4. SWITCHTF: Open a new file again after a certain amount of time unless
a condition was specified for MAXSIZEKB that occurs beforehand.
You can specify the following values here:
year : a new file is opened after a year
month : after a month
week : after a week
day : after a day
hour : after an hour
5. FILEWRAP: Reusing the file
This parameter can have only the value "on". If this value is
set, no new file is written, rather the file already opened is reset
and described again. The special values for the parameter LOGFILE are
used only when you open the file for the first time.
Example:
If the parameter is set to the value
gw/logging: ACTION=SPXM LOGFILE=gw_log-%y%m%d SWITCHTF=day
security settings, dynamic parameter changes, signals to the Gateway and monitor commands are logged.
Caution: You must create a secinfo.dat and a reginfo.dat
accordingly in order to separate reginfo and secinfo in logging.
Otherwise, you see only secinfo entries (also for server registrations).
For more information, read the online documentation on the SAP Help
Portal.
Gateway Monitor
Logging settings were implemented in the Gateway Monitor (transaction SMGW). To do so, proceed as follows::
Transaction SMGW -> Goto -> Expert Functions -> Logging
When you call this, the current setting is displayed. If the caller has
the required authorization (AUTHORITY-CHECK OBJECT 'S_ADMI_FCD' ID
'S_ADMI_FCD' FIELD 'PADM'), he/she can change and activate the settings.
They are then active immediately for the Gateway. Deactivating all log
events causes the open file to close.
This function is also provided in earlier releases. The following kernel patches are required for this:
7.00: 119
6.40: 194
You must import the corresponding Support Packages for the Gateway Monitor enhancements.
620 SAPKB62063
640 SAPKB64021
700 SAPKB70013
You can also use the function without these Support-Packages; to do so,
you must enter the parameter gw/logging as described above in the
instance profile with the required attributes.
Caution: For kernel release 640, the parameter
gw/resolve_phys_addr = 1
must be set, otherwise the system logs only the IP addresses instead of the host names.
Documentation
The documentation for gateway logging is available on the Help Portal at:
http://help.sap.com/saphelp_nw04s/helpdata/en/CB/8C882C6FB546F987880EB97C9FB23A/frameset.htm
The documentation for Gateway administration is available at:
http://help.sap.com/saphelp_nw70/helpdata/en/4c/16c4b18a0d40c1be3b7839f884e1e2/frameset.htm
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