Explanation
XCF detected an error in the configuration of sysplex
signalling paths. The problem can be errors in either the COUPLExx
parmlib members or the hardware configuration. This message appears
on the system that defined the inbound side of the signalling path.
In
the message text:
- osysname
- The system transmitting a message.
- outdev
- The device number for the outbound signalling path, coming from osysname.
- isysname
- The system receiving a message.
- indev
- The device number for the inbound signalling path, leading to isysname.
- NOT SAME SYSPLEX
- A signalling path was established between two systems that are
not in the same sysplex. Signalling paths are only permitted between
systems participating in the same sysplex.
- COUPLE DATA SETS DIFFER
- A signalling path was established between two systems that have
the same sysplex name, but not the same couple data sets. The couple
data sets must have matching names, volumes, and formatting time stamps.
- CIRCULAR PATH
- A signalling path leads back only to the same system. Circular
signalling paths are not allowed.
System action
The system leaves the indicated signalling paths
online and allocated to XCF. XCF does not use the signalling path
until the problem is corrected. The system on the outbound side of
the signalling path receives no information about this problem.
Operator response
Depending on the message text, do the following:
- COUPLE DATA SETS DIFFER
- NOT SAME SYSPLEX
- Do one of the following:
- If one of the systems is IPLing, try respecifying the COUPLExx
parmlib member by responding to message IXC207A. If message IXC207A
does not appear, then the system must be reIPLed in order to allow
it to join the same sysplex.
- If one of the systems is already active in the sysplex, enter
either:
- The DISPLAY XCF,SYSPLEX command to determine what sysplex name
is being used by the active system.
- The DISPLAY XCF,COUPLE command to determine what couple data sets
are being used by the active system.
- If the two systems involved are not supposed to be in the sysplex,
no signalling path should connect them. Record the device numbers
and system names identifier in the message and notify the system programmer.
Enter a SETXCF STOP command on the active system where each device
is defined to release resources associated with the signalling path.
- CIRCULAR PATH
- Enter a SETXCF STOP command on the system where the device is
defined. Record the device numbers and system name identified in
the message. Notify the system programmer.
System programmer response
Make sure that the COUPLExx parmlib
member defines the correct signalling path or couple data set for
the systems involved. Verify that the hardware configuration is correct
and devices are correctly cabled.
If the problem persists, search
problem reporting data bases for a fix for the problem. If no fix
exists, contact the IBM® Support
Center.
Source
Cross System Coupling Facility (SCXCF)
Module
Routing code
Descriptor code