IST693I

Explanation
 VTAM® issues
this message when a session termination request for channel-attached
physical unit nodename failed because of insufficient
storage or an I/O error.

System action
 Processing continues.

Operator response
 Message IOS000I might be issued by MVS™ prior to this message and can
provide additional information about the reason for the error.
 Enter
a VARY INACT,TYPE=IMMED command for nodename so
the system can release the resources allocated to nodename.
 To check for a storage problem, take the following actions:  Issue
the DISPLAY BFRUSE command to display information about the common
service area (CSA). Total VTAM private
storage information is also displayed in message IST981I. If this
is a storage problem, it is usually related to private storage. Issue
the DISPLAY STORUSE command to display storage usage for storage pools.
 Save
the system log and request a dump for problem determination.

To check for an I/O error, take the following actions:  Save
the system log for problem determination.
  Run your operating
system service aid program to determine whether MDR/OBR information
has been recorded. See the EREP User's Guide and Reference for
more information on using EREP.
 If you use a network management
application such as NetView®,
check to determine whether an alert was recorded for this problem.

System programmer response
  For a storage problem, increase storage as required. See the z/OS Communications Server: SNA Diagnosis Vol
2, FFST Dumps and the VIT for information about analyzing dumps and
about analyzing storage using the VIT analysis tool, if external trace
is active.
For an I/O error, if you cannot determine the cause of the problem
from the output provided or need additional assistance, contact the IBM® hardware support center.  If
available, provide the MDR/OBR information from your operating system
service aid program or the alert information recorded by your network
management application.

Routing code
 8

Descriptor code
 4 