Chapter 3. Operating NetView FTP V2.2.1 MVS - IBM

Description of the Symptom Record
The queue handler and servers issue the symptom record if either of the following
occurs:
� An internal trace is performed
� An abnormal termination occurs and a NetView FTP V2.2.1 MVS recovery
routine gets scheduled by the recovery termination manager.
NetView FTP V2.2.1 MVS uses the IDUMP macroinstruction to issue the symptom
record.
The startup job or procedure for the queue handler or a server must have a DD
statement with the name DVGSNAP.
For more information about specifying the DD statement for the queue handler and
a server refer to “DVGSNAP” on page 97.
The symptom record for an internal trace is described in “The NetView FTP V2.2.1
MVS Symptom Record as Trace Output” on page 145.
If there is an abnormal termination, NetView FTP V2.2.1 MVS can produce the
symptom record only if the following conditions are met:
� NetView FTP V2.2.1 MVS has reached a point in its processing where it has
established its ESTAE recovery routines. This happens at the end of its initialization
processing. Therefore, if an abnormal termination should occur during
the initialization phase of the queue handler or a server, no symptom record is
issued.
� No error occurs that prevents the ESTAE recovery routines from working as
designed. The following error situations can prevent a symptom record from
being issued:
– Another abnormal termination occurs during the processing of the ESTAE
recovery routines
– An I/O error on the SNAP dump data set occurs.
Note: Some of the symptom record fields are not filled if NetView FTP V2.2.1
MVS cannot retrieve the related information during its error handling. This is true,
for example, if the operating system’s recovery termination manager cannot set up
a system diagnostic work area (SDWA).
When you read a dump with the symptom record you only have to pay attention to
the translated section of the dump. You can normally find this on the right-hand
side of the hexadecimal dump. NetView FTP V2.2.1 MVS has already translated
all addresses and binary variables, so that you can easily read them in the translated
section.
Refer to “The NetView FTP V2.2.1 MVS Symptom Record as Trace Output” on
page 145 for an example of a symptom record.
174 NetView FTP V2 MVS Installation, Operation, and Administration