Maximum Free Space Distribution report
This report contains information about the free space elements for each block or CI in the database.
The following information is reported:
- The length of the longest free space element in the block or CI
- The number of free space elements in the block or CI
This report is produced unless MAXFSD= NO is specified on the REPORT statement as input for the PROCCTL data set. This report is available only for HD databases.
Subsections:
Report example
The following figure shows an example of the report.
IMS HIGH PERFORMANCE POINTER CHECKER FOR z/OS "MAXIMUM FREE SPACE DISTRIBUTION REPORT" PAGE: 1
5655-U09 DATE: 07/07/2021 TIME: 15.59.40 FABPMAIN - V3.R1
DBNAME: HDAMDB2 DB#: 001 DSG#: 01 DDNAME: HDAMDS4 DSNAME: TESTDS.PUBLIC.SAMPLE.HDAMDS4
THE NUMBER OF FREE SPACE ELEMENTS (FSE'S) IN THE BLOCK IS REPRESENTED BY A SINGLE CHARACTER, AS FOLLOWS:
SYMBOL: BLANK A B C D E F G H I J K L M N O P Q R S T U V W X Y Z *
COUNT : 0/1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28+
EACH ENTRY IN THE TABLE BELOW IS THE LENGTH OF THE LONGEST FSE & THE NUMBER OF FSE'S IN THE BLOCK
BLOCK # 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
0 0 1008 1008 1008 44 80 1008 1008 68 1008 532 1008 544 1008 56 1008 68 68 56 1008
20 544 1008 1008 532 532 1008 56 544 544 532 68 1008 56 1008 532 520 544 1008 1008 56
40 1008 544 532 544 544 68 532 1008 44 1008 56 544 1008 532 1008 1008 1008 1008 1008 68
60 544 532 544 532 1008 532 1008 532 1008 520 1008 1008 544 520 1008 1008 1008 544 1008 544
80 1008 1008 1008 1008 544 544 532 532 1008 1008 56 544 1008 520 1008 1008 56 544 1008 1008
100 84 84 84 72 84 84 84 96 84 108 84 96 84 84 72 84 96 84 84 96
120 96 84 72 84 96 72 96 84 84 72 84 96 96 72 84 84 72 60 60 96
140 72 60 84 84 84 108 72 84 96 72 84 84 72 84 60 96 96 72 96 84
160 96 84 84 84 96 96 84 96 72 84 84 72 108 96 84 96 84 96 96 84
180 84 72 72 60 96 96 84 84 60 96 96 84 72 96 84 96 72 96 84 96
------ For formatting purposes, several lines have been deleted.------
600 72 108 84 84 60 84 72 96 72 72 84 84 96 96 60 72 72 96 84 84
620 72 84 60 108 84 84 96 72 96 72 84 72 96 72 84 84 72 84 84 84
640 84 72 84 72 84 96 72 96 96 96 84 84 96 72 72 96 96 60 84 84
660 72 84 96 96 96 84 84 72 84 84 96 84 96 84 96 72 96 96 72 72
680 96 72 84 84 84 72 84 48 96 84 96 84 96 96 96 84 108 84 84 72
700 84 96 72 84 84 96 72 96 96 60 96 72 84 72 72 96 84 96 72 84
720 60 84 60 72 84 84 84 96 72 84 96 84 84 84 84 84 96 96 60 84
740 96 84 84 84 72 84 72 96 96 60 96 72 96 96 72 96 84 84 84 84
760 84 84 72 60 96 72 96 84 96 84 96 96 60 84 84 84 108 72 72 84
780 84 84 72 84 84 96 84 96 84 72 72 84 84 96 72 72 96 72 84 84
800 84 72 84 72 84 96 96 96 84 96 96 60 96 72 84 96 84 84 96 96
IMS HIGH PERFORMANCE POINTER CHECKER FOR z/OS "MAXIMUM FREE SPACE DISTRIBUTION REPORT" PAGE: 3
5655-U09 DATE: 07/07/2021 TIME: 15.59.40 FABPMAIN - V3.R1
DBNAME: HDAMDB2 DB#: 001 DSG#: 01 DDNAME: HDAMDS4 DSNAME: TESTDS.PUBLIC.SAMPLE.HDAMDS4
BLOCK # 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
1820 60 84 84 60 84 96 60 96 96 72 96 72 96 72 96 72 84 72 84 72
1840 72 60 84 36 84 96 84 72 72 84 84 72 84 84 72 96 72 84 72 84
1860 84 96 84 96 84 84 84 84 84 84 72 72 84 84 96 72 96 84 84 96
1880 84 84 84 72 84 84 96 96 96 84 84 84 108 84 96 84 84 84 84 108
1900 72 84 96 84 96 96 84 84 84 96 84 72 84 84 72 96 84 96 84 60
1920 96 96 84 96 72 96 84 72 84 84 96 72 96 84 72 84 96 84 96 84
1940 96 72 96 72 84 84 96 96 96 72 96 72 96 72 84 84 96 72 84 84
1960 60 96 96 96 72 96 72 84 96 96 84 60 84 96 72 84 84 96 96 72
1980 96 96 72 84 72 84 84 84 96 84 84 72 84 72 72 96 84 84 84 84
2000 96 84 84 72 84 84 84 84 72 84 72 72 96 84 84 84 84 84 96 84
------ For formatting purposes, several lines have been deleted.------
2280 72 84 96 84 72 96 84 72 84 72 96 84 84 72 72 84 96 84 96 84
2300 84 60 84 84 84 84 84 84 72 84 84 60 96 72 96 84 84 72 84 96
2320 84 84 60 84 96 206 1012 1012 1012 1012 1012 1012 1012 1012 1012 1012 1012 1012 1012 1012
2340 1012 1012 1012 1012 1012 1012 1012 1012 1012 1012 1012 1012 1012 1012 1012 1012 1012 1012 1012 1012
2360 1012 1012 1012 1012 1012 1012 1012 1012 1012 1012 1012 1012 1012 1012 1012 1012 1012 1012 1012 1012
2380 1012 1012 1012 1012 1012 1012 1012 1012 1012 1012 1012 1012 1012 1012 1012 1012 1012 1012 1012 1012
2400 1012 1012 1012 1012 1012 1012 1012 1012 1012 1012 1012 1012 1012 1012 1012 1012 1012 1012 1012 1012
2420 1012 1012 1012 1012 1012 1012 1012 1012 1012 1012 1012 1012 1012 1012 1012 1012 1012 1012 1012 1012
2440 1012 1012 1012 1012 1012 1012 1012 1012 1012 1012 1012 1012 1012 1012 1012 1012 1012 1012 1012 1012
2460 1012 1012 1012 1012 1012 1012 1012 1012 1012 1012 1012 1012 1012 1012Report field description
The report fields are as follows:
- DBNAME DB# PARTNAME PART ID REORG# DSG# DDNAME DSNAME DBORG
- The name of the DBD, the database number (in hexadecimal), the name of the partition, partition id, partition reorganization number, the data set group number (in hexadecimal) or the data set group ID (in an alphabetic character), the ddname of this data set group, the name of the data set, and the organization type of the data set
Each entry in the map is six digits: a 5-digit FSE length followed by a 1-digit FSE count symbol