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Doing an upgrade.
Existing system: AIX 5.2, Cloverleaf 5.3, SNA 6.1, prod/test connections listening for data from the mainframe, and prod/test connections calling the mainframe to send data (Siemens Invision). All SNA connections working as expected.
New system: AIX 5.3, Cloverleaf 5.5, SNA 6.3.
On the mainframe, we have a single VTAM book with all the connections for prod and test in one definition (our test SNA site runs on the prod server… HACMP is involved, it’s a long story).
For testing purposes, we have moved the test connections out of the main VTAM book on the mainframe, and put them into a new book with a different IDNUM. I cloned the SNA config on the new server from the old server. I changed the “Node ID” in SNA config to match the new test VTAM book’s IDNUM.
SNA comes up just fine on the new server. I can receive data just fine on the new server (TIF transactions). When I attempt to start the threads that send data TO the mainframe (RTIF, and special programs), I get the following error in the Cloverleaf process log:
can’t ALLOCATE to TPN ‘CLNK’: Local TP passed an invalid parameter
The ‘CLNK’ changes depeding on which thread we start, based on the RTPN value in the NetConfig for the appc protocol.
I can verify that we have SNA configured to talk to the mainframe in the following ways:
1. I am receiving TIF transactions from our test CICS region on two threads, and when the Cloverleaf threads start, I can see the connection change from SSCP in the xsnaadmin tool to Active.
2. I can log into the CICS and set the connection for the RTIF threads to Acquired, and I can see the connection turn from SSCP to Active in the xsnaadmin tool.
I believe we have everything working for SNA. I just can’t get Cloverleaf to activate that connection.
Support thinks we need Implementation a$$i$tance
Is anyone else doing SNA (preferably to an from Invision) on Cloverleaf 5.5? Do you have any experience that might help?
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