IFS uses Oracle DEDICATED server instead of SHARED

Hi all,
Context:
OS = HPUX 11.00 64 bits
Oracle 8.1.7.0
iFS 1.1.9
I have configured my Oracle DB server to use MTS (Multi Threaded
Server) mode, using the "mts_dispatcher" parameters suite in
the 'init.ora' file.
I have also re-configured the listener to force SHARED server
mode, using the "netasst" graphical tool.
From that point, after restarting the DB server and the
listener, my standard Oracle client (SQL worksheet) are
connecting to the base using a dispatcher and a SHARED server,
as I can see from the v$session view.
However, when I start iFS (./ifsstart), all agents and protocol
servers are still using several DEDICATED servers...instead of
SHARED server mode.
How can I change this behaviour ?
Did I miss something in the DB server configuration, or in iFS
configuration ?
This point is very critical to us since we are experiencing
problems when too many iFS connections occur at the same time,
when reaching a ceil of oracle processes, the kernel refuses to
spawn new ones...causing new iFS connections to fail.
Thanks in advance for any information.
Regards,
Arnaud Chiaberge

Note that we don't certify the JDBC thin driver, only the JDBC
OCI driver.
I don't know enough about how MTS works to be able to fully
answer your question about why the processes come up in
DEDICATED mode.
However, I'm more concerned about the issue where you say that
too many Oracle shadow processes are being created and the
kernel is refusing to do so.
Note that you can adjust the maximum number of iFS processes
that can be created using the Target and Maximum Readonly and
Writeable connection pool settings. Also, you can adjust the
time that iFS will wait before trying to spawn a new connection,
once the Target setting has been reached.
If your problem is more challenging than that, please open a
Technical Assistance Request with Oracle Worldwide Support, and
give us more details, so we can see how we can help.

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