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Overview of Sort options

The Recovery utility uses sort processing for the following purposes:

  • If a recovery task requires log input, the log records must be sorted. The Recovery utility handles sorting of log records as described in Sorting-log-records.

    If you specify the BLDINDEX(N) keyword, the Recovery utility recovers primary indexes and secondary indexes in the same way as it recovers the primary database.

  • If you have a licence for the BMC Index Rebuild function and you specify the BLDINDEX(Y) keyword, the Recovery utility invokes the Index Rebuild function to rebuild primary and secondary indexes directly from data in the corresponding primary databases, as described in Recovering-indexes.

Related topics

Specifying-sort-options

The techniques that the utility uses for handling sorting of index data depends on the value specified for the HALDB keyword.

Warning

Important

Starting with version 4.5.00 of the Recovery utility, the HALDB(N) keyword is obsolete and is automatically changed to HALDB(Y).

To control how sorting is performed, you can use sort work data set DD statements in the utility JCL, SORT control statements in the utility control statement data set, and the following keywords in the control statement data set:

  • EXTERNAL
  • KEYLEN
  • LRECL
  • MAINSIZE
  • PSORT
  • SORT64
  • SORT
  • SORTWK
  • STCJOBNM
  • SWDATACL
  • SWMGMTCL
  • SWSTORCL
  • XSORT

 

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BMC AMI Backup and Recovery for IMS 5.2