What's new in IMS HP Pointer Checker
This topic summarizes the technical changes for this edition.
New and changed information is denoted either by a character in the left margin or by blue carets () and () at the beginning and end of the new or changed information. Editorial changes that have no technical significance are not noted.
SC19-2401-05 (February 2021)
- HD Pointer Checker (HDPC) enhancements
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- (APAR PH00083) Support secondary index databases with overflow data sets under IMS Database Recovery Facility. For more information, see the following topics:
- (APAR PH07469) GROUPDIGITS keyword to disable digit grouping in Database Statistics reports and Partition Statistics reports. For more information, see PROC statement.
- (APAR PH13966) HD Pointer Checker stand-alone jobs can run in an IMS environment where the IMS management of ACBs is enabled. For more information, see the following topics:
- (APARs PH17855, PH24727, and PH29749) IMS OSAM data set encryption support.
- HD Tuning Aid (HDTA) enhancements
- (APAR PI93975) IMS managed ACBs Support. For more information, see the following topics:
- Space Monitor (SPMN) enhancements
- (APAR PH24727) IMS OSAM data set encryption support.
SC19-2401-04 (July 2018)
(APAR PI73056) IMS 15 support.
- HD Pointer Checker (HDPC) enhancements
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- (APAR PI34148) HD Pointer Checker stand-alone jobs (FABPMAIN jobs) can run in an IMS environment where the IMS management of ACBs is enabled. For more information, see Additional requirements for running HD Pointer Checker when the IMS management of ACBs is enabled.
- (APAR PI46110) OVERFLOW and PRIMEDB keywords, which were mandatory keywords, have been changed to optional keywords. For more information, see DATABASE statement.
- (APAR PI70429) IMSDALIB DD statement specifies the DFSMDA members for dynamically allocating the database data sets of non-HALDBs and RECON data sets. For more information, see DD statement description.
- (APAR PI79702) Additional information is printed in the DB Record Distribution Statistics report. This information provides a summary of root segments. For more information, see DB Record Distribution Statistics report.
- Added instructions to set up security for the HD Pointer Checker subordinate address space. This step pertains to using HD Pointer Checker with IMS Database Recovery Facility. For more information, see Configuring HD Pointer Checker to use with IMS Database Recovery Facility.
- Space Monitor (SPMN) enhancements
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- (APAR PI90966) New keyword, IMSCATHLQ, has been added for the PROC statement of the FABKCTL data set. Use this keyword when you run Space Monitor in an IMS environment where the IMS management of ACBs is enabled. For more information, see PROC statement.
SC19-2401-03 (February 2015)
(APAR PI27563) IMS HP Pointer Checker can run under IMS 14. The utilities of IMS HP Pointer Checker can process 8 GB OSAM data sets of HALDB.
- HD Pointer Checker (HDPC) enhancements
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- (APAR PM97584) You can generate repair information records that you use as input to the ILK Repair utility (of IMS Database Repair Facility) to repair HALDB databases that have corrupted HALDB partition reorganization numbers, duplicate indirect list keys (ILKs), or potentially duplicate ILKs. For more information, see Repairing HALDB partition reorganization numbers and duplicate ILKs.
- (APAR PI08977) The SENSOR_HOME=YES option for DB Sensor has been enhanced to collect an additional data element. For more information, see the description about the SENSOR_HOME keyword in PROC statement.
- (APAR PI17805) You can specify the SMS parameters for dynamically allocating HD Pointer Checker
work data sets in SMS environments. You can also estimate the sizes of work data sets that will be
used in an HD Pointer Checker job before you run the pointer check job. For more information, see
the following topics:
- WKDATACLASS, WKSTORCLASS, and WKHLQ keywords in PROC statement
- Estimating the sizes of work data sets for HD Pointer Checker automatically
SC19-2401-02
- (APAR PM21945) IMS 12 support.
- (APAR PM75255) IMS 13 support.
- HD Pointer Checker (HDPC) enhancements
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- (APAR PM28799) You can check the pointers that point to the logical records that contain non-unique keys in the overflow data set of a secondary index database. For more information, see Secondary index of non-HALDB.
- (APAR PM46322) You can run HD Pointer Checker on OSAM data sets of IMS databases and image copy data sets that are allocated on extended address volumes (EAVs).
- (APAR PM50160) You can use the Integrated DB Sensor to collect sensor data and store the data in the IMS Tools KB Sensor Data repository within HD Pointer Checker jobs. You can also use Space Monitor to monitor the latest space utilization of VSAM data sets of IMS online full-function databases within HD Pointer Checker jobs. For more information, see Collecting sensor data with the Integrated DB Sensor function and Calling Space Monitor.
- (APAR PM61429) You can check whether HALDB partition reorganization numbers are corrupted, and whether incorrect indirect list keys (ILKs) exist. For more information, see the description of the DUPILKCHK keyword in PROC statement.
- (APAR PM64745) You can check the pointers in IMS catalog databases. For more information, see FABPMAIN EXEC statement.
- (APAR PM70216) You can use the Index Key Check function to check the index keys of databases that have /CK fields, which are defined by the SUBSEQ operand of the XDFLD statement. For more information, see the description of the IXKEYCKCHK keyword in PROC statement.
- (APAR PM90989) You can request HD Pointer Checker to generate the HD Pointer Checker Message Summary report when HD Pointer Checker is called within IMS Database Reorganization Expert jobs or IMS Database Recovery Facility jobs.
- Space Monitor (SPMN) enhancements
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- (APAR PM79078) You can specify the Space Monitor input control statements in the FABKCTL data set. FABKCTL supports keyword-style control statements, so coding the control statements in the FABKCTL data set is easier than coding the control statements in other data sets. For more information, see FABKCTL data set.
SC19-2401-01
- Information about the functional enhancements in IMS HP Pointer Checker 3.1 is added. For more information, see Functional enhancements in IMS HP Pointer Checker 3.1.
- Compatibility information between IMS HP Pointer Checker 2.x and 3.1 is added. For more information, see Migration from IMS HP Pointer Checker 2.1 or 2.2.
- Product migration information is moved into Configuring IMS HP Pointer Checker. For more information, see Compatibility and migration considerations.
- HD Pointer Checker online considerations and DBRC and HD Pointer Checker have been modified to provide more detailed information.
- Description of the Space Analysis by Data Set report, the Summary of Data Sets by Volume report, and the Space Monitor Graph report is updated to provide more detailed information. See Output.
Documentation changes by the following functional enhancements were also made to this edition:
- (APAR PK74300) IMS 11 support.
- HD Pointer Checker (HDPC) enhancements
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- (APAR PK73041) HD Pointer Checker supports Extended Address Volume (EAV). By this enhancement, several fields in the HD Pointer Checker reports are changed. For more information, see HD Pointer Checker enhancements.
- (APAR PK96437) Several fields are added to the DB Record Distribution Statistics report and the Partition Statistics and Database Statistics report of HD Pointer Checker. For more information, see HD Pointer Checker enhancements.
- The HASH Check function of the HD Pointer Checker utility can be used in IMS Online Reorganization Facility. For the HD Pointer Checker reports that can be printed in an IMS Online Reorganization Facility job, see HD Pointer Checker reports from IMS Online Reorganization Facility jobs.
- (APAR PM15122 and PM16141) Additional HD Pointer Checker reports are enabled for IMS Tools KB. See HD Pointer Checker enhancements for the list of HD Pointer Checker reports that can be stored in IMS Tools KB.
- Space Monitor (SPMN) enhancements
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- (APAR PK88523) Space Monitor supports VSAM data sets that are allocated on EAVs. For more information, see Space Monitor enhancements.
- (APAR PK95690) Space Monitor supports extended-format VSAM data sets that are larger than 4 GB. For more information, see Space Monitor enhancements.
- (APAR PM21360) Space Monitor can monitor IMS full-function database data sets. For more information, see Space Monitor enhancements.