In ST06/OS06, data is either displayed incorrectly or not at all
and/or
messages such as 'shared memory not available' are displayed.
and/or
on Windows NT / Windows 2000:
In RZ20, the file systems are missing in the "Operating System" monitor.
The data for ST06/OS06 and RZ20 is collected by saposcol. The saposcol
is an independent program that runs in the operating system background
regardless of the R/3 instances. It collects data about operating system
resources and makes this data available to every R/3 via shared memory.
Only one saposcol is needed per computer even if several R/3 instances or even several R/3 systems are running there.
Possible error scenarios:
1. Incorrect values: The R/3 system reads ST06 and RZ20 values from
shared memory. Incorrect values may already be there. The saposcol has a
dialog interface on operating system level at its disposal. With this
you can directly view the values from the shared memory. Call
saposcol -d.
Using the command 'help' you can get an overview of all available
commands. The 'dump' command is important for displaying specific
values. If values are incorrectly or incompletely displayed here, you
can stop the collector and delete the values from shared memory.
saposcol -d
kill
leave
exitThen the shared memory backup file coll.put must be deleted. coll.put can by default be found in the directory /usr/sap/tmp.
In any case, check if your saposcol version is current (see below).
2. No values and/or problems with shared memory
Check whether saposcol belongs to user 'root' and whether the authorizations are correct: -rwsr-x---
Because the values of saposcol must be visible for all R/3
systems/instances on a host, saposcol writes data in the shared memory
segment with key 1002. This shared memory segment must not be changed
(for example, by setting profile parameter ipc/shm_psize_1002). In all
profiles, check whether the parameter ipc/shm_psize_1002 is set. If it
is, this parameter must be removed from the profiles ---> Note 37537.
3. In general, a current version of saposcol should be used. Because it
is an independent program, saposcol can be stopped and switched in a
running R/3 system If you want to replace saposcol, stop the collector
that is running, delete the coll.put file if necessary and install a new
saposcol version as specified in Note 19227.
The saposcol is not so dependent on the R/3 release but rather on the
operating system release. Therefore, the naming convention of the
saposcol versions refers to the operating system.
You can find the appropriate saposcol for your operating system version(s) in the directory specified in Note 19227.
4. Windows 2000 and Windows NT
Saposcol can only collect the values for disk I/O and display them in
the SAP system, if the corresponding performance counters were activated
via the command
diskperf -Y
Then, the computer has to be started again. For further information on the "diskperf" command, call "diskperf /?"
5. Windows NT
In the case of incorrect or empty displays in ST06/OS06 under Windows NT,
note that the NT SAPOSCOL requires the PDH.DLL (see Note 19227) and
NT40 Service Pack 5 as of version 4.0 in order to be able to display the
data correctly.
If there are problems with the display of the OS syslog or the hardware info via OS06/ST06 under Windows NT, read Note 96397.
6. ST06/OS07 does not display the operating system log (button: OS Log).
The following error message is issued instead: File is empty. Try Read
again.The information of where to find the operating system log is
stored in the shared memory of saposcol. With saposcol destinations that
are no SAP application servers (CCMS agents and rfcoscol destinations),
the patch of the operating system log is determined correctly but the
program tries to open file os_sys.log on the local application server.
The error was corrected for CCMS agent destinations by the Support Packages below.
7. ST06/OS07 does not display the saposcol log file (Os Collector, button: Log File), or a wrong file is displayed.
The error was corrected by the Support Packages below.
8. ST06/OS07 truncates the path name of the Saposcol log file, and an error message is displayed:
Cannot open file: \<hostname>saplocPRFCLOGdev
The error is corrected with the current one of the Support Packages listed below.
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