Log record changes in IMS 15.2

The following table lists the log records that are new or changed in IMS 15.2.

Table 1. New or changed log records for IMS 15.2
Log record Description of enhancement
X'42' With APAR PH14457, log record X'42' is enhanced to include the version release number of the installed IMS system at offset X'10'. The size of the X'42' log record is not changed with this enhancement.
X'4500' With APAR PH14457, a new field ST4500_IN_LEVEL is added at offset X'C4'. This new field includes the version release number of the installed IMS system. The size of the X'4500' log record is not changed with this enhancement.
X'4511' Enhanced to include an optional section for DLI/SAS region private storage statistics. A new field, ST4511_DSOFF, is added to contain the offset to the DLI/SAS region private storage section (mapped by ST4511L DSECT). The offset is 0 if no DLI/SAS region private storage section exists.
X'451A' New log record X'451A' added for OTMA global statistics information.
X'451B' New log record X'451B' added for OTMA member statistics information.
X'4E90' A new field is added to contain the IMS installed level. The following fields are added or renamed to support the new field:
  • Existing fields SL90S_SIDN and SL90S_SIDS are renamed to SL90S_OSIDN and SL90S_OSIDS, respectively.
  • EQUate SL90S_OLEN is added to represent the pre-PH17307 size of the log record.
  • A new field, SL90S_INS_LVL, is added to contain the IMS installed level.
  • A new field, SL90S_SID_OFFSET, is added to represent the offset of the MSC section from the start of the SL90 section.
  • The MSC SID section is defined by fields SL90S_NSIDN and SL90S_NSIDS.

Comments in the DFSLOG4E macro explain how to determine if the X’4E90’ record is the pre- or post-PH17307 format.
X'62' With APAR/PTF PI85987/UI66794/UI66795, in the x’62’ log record, the 1-byte field LIOESTYP is updated to indicate that the log record is for an OSAM I/O error reported by Media Manager.

For details about the DSECT names that are associated with these log records and descriptions of why the log record was issued, see the topic Log records in IMS Diagnosis information.