z/OS DFSMSdfp Diagnosis
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HFS trace options

z/OS DFSMSdfp Diagnosis
SC23-6863-00

The valid options for use with this trace facility are as follows.

Table 1. Valid Trace Facility Options
Trace Event Description
ENTRY All module entries.
EXIT Module exits with nonzero return codes only.
EXITA All module exits.
CALL Equivalent to specifying both ENTRY and EXIT.
RRTN Entries and exits of recovery routines.
CB Control block changes.
SPECIAL Entries and exits of commonly shared functions.
COMP=(component- list) Specifies major functional areas of DFSMSdfp used to manipulate HFSs.
SUBCOMP=(component- list) Specifies minor functional areas within the specified major areas.

The following terms are used to designate the functional areas of HFS management.

Table 2. Functional Areas of HFS Management
COMP SUBCOMP  
PFS —  

SSF

ARM     SAC
CHF
DMP
ERS       VSM
RCS

  
Note:
  1. You can also specify ALL rather than a list for both the COMP or SUBCOMP keywords.
  2. The SUBCOMP keyword can be specified without specifying the COMP keyword.
  3. Any of the options listed in Table 2 except for ALL, COMP, and SUBCOMP can be individually turned off by prefixing them with NO (for example, NOSSF).

The following command turns off the trace facility:

TRACE CT,OFF,COMP=SYSSMS

Parent topic: HFS component trace

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