








	*SMF Tools*

SMF Type 42 Record

This table shows the record layout for type 42 SMF records
(DFSMS Statistics and Configuration).

List of other SMF record layouts available.
List of sample SMF reports.

Purpose: Record type 42 contains the following subtype information:

Subtype 1 — is created on a timed interval to collect device statistics. The time interval is specified in the IGDSMSxx parmlib member. Subtype 1 summarizes, on a storage-class basis, the buffer manager ‘hits’ (number of page-read requests handled by the buffer manager). A Buffer Manager Facility (BMF) totals section (64 bytes) enables analysis of overall BMF performance. There is one storage-class summary section (64 bytes) for each storage class.
Subtype 2 — has one section (88 bytes) for each cache control unit (Model 3990-3) having at least one Storage Management Subsystem- (SMS-) managed device attached. There is one section (16 bytes) for each SMS-managed volume attached to such a control unit.
Subtype 3 — is written each time the SMS configuration is changed. The following events cause subtype 3 to be generated:
- The operator issued a VARY SMS command.
- An ‘ACTIVATE’ occurred, either by issuing an ACTIVATE command in ISMF or a SETSMS command on the console.
- An event notification facility (ENF) event occurred, because the operator issued a VARY command to an SMS-managed volume.
- The status of a LIBRARY or DRIVE has been UPDATED by the Object Access Method (OAC).
Subtype 4 - is written to collect System Data Mover session statistics for a concurrent copy session or for an extended sequential data set when interfacing with the backup program. Concurrent copy records contain the identifier ‘CC’; extended sequential data set records contain ‘EXT’.
- The CC SMF record is issued when the concurrent copy session completes.
- The EXT SMF record is issued at the close of the processing for the extended sequential data set as follows:
  - If the backup program requested that the extended sequential data set be dumped to tape, one EXT SMF record is issued for reading the entire extended sequential data set.
  - If the backup program requested that the extended sequential data set be copied to DASD, one EXT SMF record is issued for reading the entire extended sequential data set and one EXT SMF record is issued for writing the entire extended sequential data set to DASD.
  - If the backup program requested that the extended sequential data set be processed using a concurrent copy session, then the CC SMF record contains the statistics for reading the extended sequential data set(s) and no EXT SMF record(s) is issued for reading the extended sequential data set(s). If the concurrent copy session was for a copy to DASD, one EXT SMF record is issued for writing each extended sequential data set to DASD.
For additional information about SMF record 42 subtype 4, see Implementing Concurrent Copy.
Subtype 5 — includes storage class VTOC and VVDS I/O statistics. Subtype 5 is written when the global SMF interval expires. The global SMF interval is specified via the INTVAL parameter in the SMF parmlib member. Note: Record type 30 records may also be synchronized to the global interval. See “Performing interval accounting” on page 4-3 for more information on the use of record type 30.
Subtype 6 — records DASD data set level I/O statistics. There are two events that cause subtype 6 to be generated:
- Close, or
- Immediately after the recording of the type 30 interval record. There is one type 42 subtype 6 record for each type 30 interval record.
Subtype 7 — used by Network File System (NFS). See z/OS Network File System Customization and Operation for additional information.
Subtype 8 — used by Network File System (NFS). See z/OS Network File System Customization and Operation for additional information.
Subtype 9 — is written each time a B37/D37/E37 abend is issued. It includes information about the data set, UCB, JFCB and job that is abending.
Subtype 10 — is written at the time of volume selection failure because of insufficient space when allocating a data set.
Subtype 11 — is written for extended remote copy (XRC) session statistics whenever the SMF timer interval ends.
Subtype 14 — is written to report ADSTAR Distributed Storage Manager (ADSM) accounting for server resources used during a session.
Subtype 15 — can be created on a timed interval or whenever the SMF timer ends to collect data about VSAM record-level sharing (RLS) storage class response time. This data includes information for each system and a sysplex-wide summary.
Subtype 16 — can be created on a timed interval or whenever the SMF timer ends to collect data about VSAM RLS data set response time. This data includes information for each system and a sysplex-wide summary.
Subtype 17 — can be created on a timed interval or whenever the SMF timer ends to collect data about VSAM RLS coupling facility (CF) lock structure usage. This data includes information for each system and a sysplex-wide summary.
Subtype 18 — can be created on a timed interval or whenever the SMF timer ends to collect data about VSAM RLS CF cache partition usage. This data includes information for each system and a sysplex-wide summary.
Subtype 19 — can be created on a timed interval or whenever the SMF timer ends to collect data about VSAM RLS Local Buffer Manager LRU Statistics Summary. This data includes information for each system and a sysplex-wide summary.

For Subtypes 15, 16, 17, 18 and 19, specify the time interval in the IGDSMSxx parmlib member and activate recording on one system in the sysplex. Because data is collected across the sysplex, it is unnecessary to merge SMF records from all the systems in the sysplex.

Subtype 20 is written when STOW INITIALIZE is used to delete all the members from a PDSE to indicate who or what (job, started task, or TSO user) issued the STOW INITIALIZE. It contains the name of the data set and the volume serial of the volume on which it resided.
Subtype 21 is written when a member is deleted from a PDS or a PDSE to indicate who or what (job, started task, or TSO user) deleted the member. It contains the name of the data set and the volume serial of the volume on which it resided, as well as all the aliases of the member that will fit in the SMF record.
Subtype 22 is used by DFSMSrmm for audit records. Use the IBM assigned record type 42 subtypes 22 to avoid DFSMSrmm SMF records requiring record types from the user-written range.
Subtype 23 is used by DFSMSrmm for security records. Use the IBM assigned record type 42 subtypes 23 to avoid DFSMSrmm SMF records requiring record types from the user-written range.
Subtype 24 is written when a member is added or replaced from a PDS or a PDSE to indicate who or what (job, started task, or TSO user) added or replaced the member. It contains the name of the data set and the volume serial of the volume on which it resided. If the member replaced is a primary name in a PDSE, the SMF record will also include any alias names associated with the replaced member. The number of alias names included will be limited to the maximum size that can be contained in an SMF record.
Subtype 25 is written when a member is renamed from a PDS or a PDSE to indicate who or what (job, started task, or TSO user) renamed the member. It contains the name of the data set and the volume serial of the volume on which it resided, as well as the old name and new name of the member

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SMF Type 42 Record -- DFSMS Statistics and Configuration
Offset (Dec.)	Offset (Hex)	Name	Length	Format	Description
0	0	SMF42RCL	2	binary	Record length. This field and the next field (total of four bytes) form the record descriptor word (RDW). See “Standard SMF Record Header” on page 13-1 for a detailed description.
2	2	SMF42SGD	2	binary	Segment descriptor (see record length field). This is zero, if the record is not spanned.
4	4	SMF42FLG	1	binary	System indicator flags Bit Meaning When Set 0 Subsystem identification follows system identification. 1 Subtypes are used 2 Reserved 3-6 Version indicators* 7 Reserved.*See “Standard SMF Record Header” on page 13-1 for a detailed description.
5	5	SMF42RTY	1	binary	Record type 42 (X'2A').
6	6	SMF42TME	4	binary	Time since midnight, in hundredths of a second, when the record was moved into the SMF buffer.
10	A	SMF42DTE	4	packed	Date when the record was moved into the SMF buffer, in the form 0cyydddF. See “Standard SMF Record Header” on page 13-1 for a detailed description.
14	E	SMF42SID	4	EBCDIC	System identification (from the SID parameter).
18	12	SMF42SSI	4	EBCDIC	Subsystem identification.
22	16	SMF42STY	2	binary	Record subtype. Value Meaning 1 BMF cache summary 2 Cache control units having SMS-managed device(s) attached. 3 SMS configuration changed 4 System Data Mover session statistics 5 Storage class VTOC and VVDS I/O statistics 6 Data set level I/O statistics 9 B37/D37/E37 abend information 10 Volume Selection Failure 11 Extended remote copy session statistics 14 ADSM session resource usage 15 VSAM RLS CF storage class response time 16 VSAM RLS CF data set response time 17 VSAM RLS CF lock structure usage 18 VSAM RLS CF cache partition usage 19 VSAM RLS Buffer Manager LRU Activity 20 STOW Initialize 21 Member Delete
24	18	SMF42NT	2	binary	Number of triplets in record. A triplet is a set of offset/length/number values that defines a section of the record.
26	1A	SMF42RES1	2	--	Reserved.
28	1C	SMF42OPS	4	binary	Offset to product section from start of record, including record descriptor word (RDW).
32	20	SMF42LPS	2	binary	Length of product section.
34	22	SMF42NPS	2	binary	Number of product sections.
The following six fields are only included with subtype 1:
36	24	SMF42BMO	4	binary	Offset to BMF totals section from start of record, including record descriptor word (RDW).
40	28	SMF42BML	2	binary	Length of BMF totals section.
42	2A	SMF42BMN	2	binary	Number of BMF totals sections.
44	2C	SMF42SCO	4	binary	Offset to storage class summary section from start of record, including record descriptor word (RDW).
48	30	SMF42SCL	2	binary	Length of storage class summary section.
50	32	SMF42SCN	2	binary	Number of storage class summary sections.
The following six fields are only included with subtype 2:
36	24	SMF42CUO	4	binary	Offset to control unit cache section from start of record, including record descriptor word (RDW).
40	28	SMF42CUL	2	binary	Length of control unit cache section.
42	2A	SMF42CUN	2	binary	Number of control unit cache sections.
44	2C	SMF42VLO	4	binary	Offset to volume section from start of record, including record descriptor word (RDW).
48	30	SMF42VLL	2	binary	Total length of all volume sections. (Number of volume sections multiplied by the length of one volume section.)
50	32	SMF42VLN	2	binary	Number of volume sections.
The following three fields are only included with subtype 3:
36	24	SMF42EAO	4	binary	Offset to event audit section from start of record, including record descriptor word (RDW).
40	28	SMF42EAL	2	binary	Length of event audit section.
42	2A	SMF42EAN	2	binary	Number of event audit sections.
The following six fields are only included with subtype 4:
36	24	SMF42CCO	4	binary	Offset to CC statistics.
40	28	SMF42CCL	2	binary	Length of CC statistics.
42	2A	SMF42CCN	2	binary	Number of CC sessions.
44	2C	SMF42EXO	4	binary	Offset to EXT statistics.
48	30	SMF42EXL	2	binary	Length of EXT statistics.
50	32	SMF42EXN	2	binary	Number of EXT data sets.
The following six fields are only included with subtype 5:
36	24	SMF42SRO	4	binary	Offset to storage class response time section from start of record, including record descriptor word (RDW).
40	28	SMF42SRL	2	binary	Length of storage class response time section.
42	2A	SMF42SRN	2	binary	Number of storage class response time sections.
44	2C	SMF42VHO	4	binary	Offset to volume header section from start of record, including read descriptor word (RDW).
48	30	SMF42VHL	2	binary	Length of volume header section.
50	32	SMF42VHN	2	binary	Number of volume header sections.
The following three fields are only included with subtype 6:
36	24	SMF42JHO	4	binary	Offset to job header section from start of record, including record descriptor word (RDW).
40	28	SMF42JHL	2	binary	Length of job header section.
42	2A	SMF42JHN	2	binary	Number of job header sections.
The following six fields are only included with subtype 9:
36	24	SMF42ABO	4	binary	Offset to X37 abend data section.
40	28	SMF42ABL	2	binary	Length of X37 abend data section.
42	2A	SMF42ABN	2	binary	Number of X37 abend sections (always 1).
44	2C	SMF42SMO	4	binary	Offset to SMS data section (0 if data set is not SMS managed).
48	30	SMF42SML	2	binary	Length of SMS data section (0 if data set is not SMS managed).
50	32	SMF42SMN	2	binary	Number of SMS sections (always 1 if data set is SMS managed. Otherwise, 0).
The following three fields are only included with subtype 10:
36	24	SMF42VSF	4	binary	Offset to volume selection failure record.
40	28	SMF42VSL	4	binary	Length of volume selection failure record.
42	2A	SMF42VSN	2	binary	Number of volume selection failure records.
The following three fields are only included with subtype 11:
36	24	SMF42XRO	4	binary	Offset to XRC service.
40	28	SMF42XRL	2	binary	Length of XRC service.
42	2A	SMF42XRN	2	binary	Number of XRC sessions.
The following three fields are only included with subtype 14:
36	24	SMF42T14	4	binary	Offset to ADSM section.
40	28	SMF42T14_ L	2	binary	Length of ADSM section.
42	2A	SMF42T14_ N	2	binary	Number of ADSM sections, 1.
The following six fields are only included with subtype 15:
36	24	SMF42FC1	4	binary	Offset to sysplex-wide storage class (SC) summary data section.
40	28	SMF42FC2	2	binary	Length of sysplex-wide SC summary data section.
42	2A	SMF42FC3	2	binary	Number of sysplex-wide SC summary data sections.
44	2C	SMF42FC4	4	binary	Offset to SC, CF, SYS summary section.
48	30	SMF42FC5	2	binary	Length of SC, CF, SYS summary section.
50	32	SMF42FC6	2	binary	Number of SC, CF, SYS summary sections.
The following six fields are only included with subtype 16:
36	24	SMF42GD1	4	binary	Offset to sysplex-wide data set summary section.
40	28	SMF42GD2	2	binary	Length of sysplex-wide data set summary section.
42	2A	SMF42GD3	2	binary	Number of sysplex-wide data set summary sections.
44	2C	SMF42GD4	4	binary	Offset to data set, CF, SYS summary section.
48	30	SMF42GD5	2	binary	Total length of all data set, CF, SYS summary sections.
50	32	SMF42GD6	2	binary	Number of data set, CF, SYS summary sections.
The following six fields are only included with subtype 17:
36	24	SMF42HL1	4	binary	Offset to MVS system CF lock structure activity totals section.
40	28	SMF42HL2	2	binary	Length of MVS system CF lock structure activity totals section.
42	2A	SMF42HL3	2	binary	Number of MVS system CF lock structure activity totals sections.
44	2C	SMF42HL4	4	binary	Offset to lock structure summary section.
48	30	SMF42HL5	2	binary	Length of lock structure summary section.
40	32	SMF42HL6	2	binary	Number of lock structure summary sections.
The following nine fields are only included with subtype 18:
36	24	SMF42IM1	4	binary	Offset to CF cache partition activity totals section.
40	28	SMF42IM2	2	binary	Length of CF cache partition activity totals section.
42	2A	SMF42IM3	2	binary	Number of CF cache partition activity totals sections.
44	2C	SMF42IM4	4	binary	Offset to single CF cache partition summary section.
48	30	SMF42IM5	2	binary	Length of single CF cache partition summary section.
50	32	SMF42IM6	2	binary	Number of single CF cache partition summary sections.
52	34	SMF42IM7	4	binary	Offset to directory/element ratio data sections.
56	38	SMF42IM8	2	binary	Length of directory/element ratio data sections.
58	3A	SMF42IM9	2	binary	Number of directory/element ratio data sections.
The following six fields are only included with subtype 19:
36	24	SMF42JN1	4	binary	Offset to Sysplex Buffer Manager LRU activity totals section.
40	28	SMF42JN2	2	binary	Length of Sysplex Buffer Manager LRU activity totals section.
42	2A	SMF42JN3	2	binary	Number of Sysplex Buffer Manager LRU activity totals sections.
44	2C	SMF42JN4	4	binary	Offset to Local Buffer Manager LRU activity section.
48	30	SMF42JN5	2	binary	Length of Local Buffer Manager LRU activity section.
50	32	SMF42JN6	2	binary	Number of Local Buffer Manager LRU activity sections.
The following siz fields are only included with subtype 20:
36	24	SMF42KN1	4	binary	Offset to STOW Initialize section.
40	28	SMF42KN2	2	binary	Length of STOW Initialize section.
42	2A	SMF42KN3	2	binary	Number of STOW Initialize sections.
44	2C	SMF42KN4	4	binary	Offset to STOW Initialize additional information section.
48	30	SMF42KN5	2	binary	Length of STOW Initialize additional information section.
50	32	SMF42KN6	2	binary	Number of STOW Initialize additional information section.
The following nine fields are only included with subtype 21:
36	24	SMF42LN1	4	binary	Offset to Member Delete section.
40	28	SMF42LN2	2	binary	Length of Member Delete section.
42	2A	SMF42LN3	2	binary	Number of Member Delete sections.
44	2C	SMF42LN4	4	binary	Offset to Deleted Alias Names section.
48	30	SMF42LN5	2	binary	Length of Deleted Alias Names section.
50	32	SMF42LN6	2	binary	Number of Deleted Alias Names sections.
52	34	SMF42LN7	4	binary	Offset to Member Delete additional information section.
56	38	SMF42LN8	2	binary	Length of Member Delete additional information section.
58	3A	SMF42LN9	2	binary	Number of Member Delete additional information section.
The following six fields are only included with subtype 22:
36	24	SMF42AUD	4	binary	Offset to audit section
40	28	SMF42LAD	2	binary	Length of audit section.
42	2A	SMF42NAD	2	binary	Number of audit sections.
44	2C	SMF42REC	4	binary	Offset to record section.
48	30	SMF42LRC	2	binary	Length of record section.
50	22	SMF42NRC	2	binary	Number of record sections.
The following three fields are only included with subtype 23:
36	24	SMF42SEC	4	binary	Offset to security section.
40	28	SMF42LSC	2	binary	Length of security section.
42	2A	SMF42NSC	2	binary	Number of security sections.
The following nine fields are only included with subtype 24:
36	24	SMF42PN1	4	binary	Offset to Member add/replace header section.
40	28	SMF42PN2	2	binary	Length of Member add/replace header section.
42	2A	SMF42PN3	2	binary	Number of Member add/replace header section.
44	2C	SMF42PN4	4	binary	Offset to Alias names section.
48	30	SMF42PN5	2	binary	Length of Alias names section.
50	32	SMF42PN6	2	binary	Number of Alias names section.
52	34	SMF42PN7	4	binary	Offset to Member add/replace additional information section.
56	38	SMF42PN8	2	binary	Length of Member add/replace additional information section.
58	3A	SMF42PN9	2	binary	Number of Member add/replace additional information section.
The following nine fields are only included with subtype 25:
36	24	SMF42QN1	4	binary	Offset to Member rename section.
40	28	SMF42QN2	2	binary	Length of Member rename section.
42	2A	SMF42QN3	2	binary	Number of Member rename sections.
44	2C	SMF42QN4	4	binary	Offset to old member name section.
48	30	SMF42QN5	2	binary	Length of old member name section.
50	32	SMF42QN6	2	binary	Number of old member name sections.
52	34	SMF42QN7	4	binary	Offset to Member rename additional information section.
56	38	SMF42QN8	2	binary	Length of Member rename additional information section.
58	3A	SMF42QN9	2	binary	Number of Member rename additional information section.
Product Section(Offset from beginning of record: SMF42OPS)
0	0	SMF42PDL	8	EBCDIC	Product level.
8	8	SMF42PDN	10	EBCDIC	Product name.
18	12	SMF42PSV	1	binary	Subtype version number 0 Volume header section does not exist 1 Volume header section exists.
19	13	SMF42RES2	1	--	Reserved.
20	14	SMF42PTS	8	binary	Interval Start or OPEN time of day. This is zero if not available. These values are in time-of-day (TOD) clock format, and reflect GMT time, not local time.
28	1C	SMF42PTE	8	binary	Interval End or CLOSE time of day. This is zero if not available. These values are in time-of-day (TOD) clock format, and reflect GMT time, not local time.
36	24	SMF42RES3	4	EBCDIC	Reserved.
BMF Totals Section (Present only for Subtype 1)(Offset from beginning of record: SMF42BMO)
0	0	SMF42TNA	4	binary	Total number of storage classes.
4	4	SMF42TMT	4	binary	Interval length. This is the elapsed time of the measurement period in seconds.
8	8	SMF42TRT	4	binary	Total number of member data page reads.
12	C	SMF42TRH	4	binary	Total number of member data page read hits handled by BMF.
16	10	SMF42TDT	4	binary	Total number of directory data page reads.
20	14	SMF42TDH	4	binary	Total number of directory data page read hits handled by BMF.
24	18	--	4	--	Reserved.
Storage Class Summary Section (Present only for Subtype 1)(Offset from beginning of record: SMF42SCO)
0	0	SMF42PNL	2	binary	Length of storage class name.
2	2	SMF42PNN	30	EBCDIC	Storage class name.
32	20	SMF42SRT	4	binary	Total number of member data page reads.
36	24	SMF42SRH	4	binary	Total number of member data page read hits handled by BMF.
40	28	SMF42SDT	4	binary	Total number of directory data page reads.
44	2C	SMF42SDH	4	binary	Total number of directory data page read hits handled by BMF.
Control Unit Cache Section (Present only for Subtype 2)(Offset from beginning of record: SMF42CUO)
0	0	SMF42SCS	1	binary	Storage director caching status Format Meaning 000xxxxx Caching is active. 001xxxxx Caching is pending active. 010xxxxx Internal subsystem error. Caching has ended. 100xxxxx Caching deactivated due to explicit host system request. 110xxxxx Pending off is in progress. Command to deactivate cache received, but de-stage is still in progress. 111xxxxx Pending off destage has failed. xxx1xxxx Subsystem storage disabled for maintenance. xxxxXXxx Reserved. xxxxxx1x IML device is not available. xxxxxxx1 Non-retentive data is deactivated.
1	1	SMF42NCS	1	binary	Subsystem non-volatile storage status Format Meaning 00xxxxxx Non-volatile cache is active. 01xxxxxx Internal subsystem error. Non-volatile cache availability is ended. 10xxxxxx Non-volatile cache has been deactivated due to explicit host system request. 11xxxxxx Pending non-volatile unavailable has been received, but destage is still in progress. xxXxxXXX Reserved. xxx1xxxx Non-volatile storage disabled for maintenance. xxxx1xxx Non-volatile storage disabled due to error.
2	2	SMF42CID	2	binary	Subsystem identifier.
4	4	SMF42CSS	4	binary	Configured subsystem storage capacity, in bytes. F‘1’ means the capacity could not be determined.
8	8	SMF42SSA	4	binary	Subsystem storage available, in bytes, for allocation as cache space.
12	C	SMF42SAP	4	binary	Subsystem storage allocated, in bytes, for pinned data.
16	10	SMF42SSU	4	binary	Subsystem storage unavailable, in bytes, due to subsystem failures.
20	14	SMF42NSZ	4	binary	Configured non-volatile cache capacity, in bytes. F‘1’ means the capacity could not be determined.
24	18	SMF42SPR	4	binary	Non-volatile cache allocated, in bytes, for pinned data.
28	1C	--	4	--	Reserved.
Statistics gathered from last update period:
32	20	SMF42LCT	4	binary	I/O count for the subsystem.
36	24	SMF42LFW	4	binary	Fast write bypass count.
40	28	SMF42LRH	4	binary	Cache normal read hit percent, between 0 and 100.
44	2C	SMF42LWM	4	binary	Fast write bypasses per minute (an integer).
48	30	SMF42LYY	2	binary	Year, in the form 0cyy, where c is 0 for 19xx and 1 for 20xx, and yy is the current year (0-99).
50	32	SMF42LDD	2	binary	Day of year, in the form dddF, where ddd is the current day (1-366), and F is the sign.
52	34	SMF42LTM	4	binary	Time since midnight, in seconds.
Statistics gathered from current update period:
56	38	SMF42CCT	4	binary	I/O count for the subsystem.
60	3C	SMF42CFW	4	binary	Fast write bypass count.
64	40	SMF42CRH	4	binary	Cache normal read hit percent, between 0 and 100.
68	44	SMF42CWM	4	binary	Fast write bypasses per minute (an integer).
72	48	SMF42CYY	2	binary	Year, in the form 0cyy, where c is 0 for 19xx and 1 for 20xx, and yy is the current year (0-99).
74	4A	SMF42CDD	2	binary	Day of year, in the form dddF, where ddd is the current day (1-366), and F is the sign.
76	4C	SMF42CTM	4	binary	Time since midnight, in seconds.
Statistical averages:
80	50	SMF42IHR	2	binary	Average hit ratio, between 0 and 100.
82	52	SMF42IFW	2	binary	Average fast-write bypasses per minute (an integer).
84	54	--	4	EBCDIC	Reserved.
Volume Status Section (Present only for Subtype 2)(Offset from beginning of record: SMF42VLO)
0	0	SMF42VOL	6	EBCDIC	Volume serial number.
6	6	--	2	--	Reserved.
8	8	SMF42DEV	4	binary	Device number.
12	C	SMF42DB1	1	binary	Device status flags, byte 1 Bit Indicates 0-1 Device cache status Format Meaning 00xxxxxx Caching is activated. 01xxxxxx Unused. 10xxxxxx Deactivate pending by explicit host system request. Transfer of modified data to DASD has failed. 11xxxxxx Caching deactivated is unavailable.2-3 Fast write status Format Meaning xx00xxxx Fast write is activated. xx01xxxx Unused. xx10xxxx Fast-write deactivate pending. Transfer of data to DASD has failed. xx11xxxx Fast write deactivated.4-7 Duplex pair flags Format Meaning xxxx1xxx Primary of duplex pair. xxxxx1xx Secondary of duplex pair. xxxxxx00 Duplex pair available. xxxxxx01 Duplex pair is pending (copy to establish duplex pair is in progress or failed). xxxxxx10 Failed duplex by command. xxxxxx11 Failed duplex by subsystem.
13	D	SMF42DB2	1	binary	Device status flags, byte 2 Format Meaning 00xxxxxx No pinned data exists for the device, and fast write was not suspended. 01xxxxxx Pinned data exists for the device, but fast write was not suspended. 10xxxxxx Reserved. 11xxxxxx Pinned data exists for the device, and fast write was suspended. xxXXXXXX Channel connect address for other device in duplex pair.
14	E	--	2	--	Reserved.
Event Audit Section (Present only for Subtype 3)(Offset from beginning of record: SMF42EAO)
0	0	SMF42EAC	8	EBCDIC	The action that caused the record to be created, ACTIVATE, ENF, or VARY SMS.
8	8	SMF42ERC	4	binary	Return code from resulting event.
12	C	SMF42ERS	4	binary	Reason code from resulting event.
Fields filled in for ENF event:
16	10	SMF42EUA	4	binary	UCB address for the device.
20	14	SMF42EVO	6	EBCDIC	VOLSER for device is online.
26	1A	--	2	binary	Reserved.
28	1C	SMF42EOS	1	binary	Old MVS volume status. Value Meaning 1 Online. 2 Offline. 3 Pending offline. 4 Boxed. 5 Not ready.
29	1D	SMF42ENS	1	binary	New MVS volume status.
30	1E	--	--	Reserved.
Fields filled in for VARY SMS command:
32	20	SMF42ETY	8	EBCDIC	Type of VARY or UPDATE request: STORGRP, LIBRARY, DRIVE or VOLUME.
40	28	SMF42ESL	2	binary	Name length.
42	2A	SMF42ENM	30	EBCDIC	STORAGE name or LIBRARY name or DRIVE name.
72	48	SMF42EVL	6	EBCDIC	Volume serial.
78	4E	SMF42	--	Reserved.
80	50	SMF42ESY	8	EBCDIC	System name (up to 8 systems, separated by commas) or ‘(ALL)’.
88	58	SMF42EST	12	EBCDIC	Resulting status: ENABLE or ENABLE,NEW or QUIESCE or QUIESCE,NEW or DISABLE or DISABLE,NEW.
100	64	--	4	--	Reserved.
Fields filled in for ACTIVATE command:
104	68	SMF42ESD	44	EBCDIC	Source control data set name.
148	94	SMF42EAD	44	EBCDIC	Active control data set name.
Concurrent Copy Session Section (Present only for Subtype 4)(Offset from beginning of record: SMF42CCO)
0	0	SMF42CCID	4	binary	Logical session ID.
4	4	SMF42CCRQS	2	EBCDIC	Request type: ‘CC’ = Concurrent Copy.
6	6	SMF42CCTS	1	EBCDIC	Termination status: ‘N’ = normal ‘A’ = abnormal.
7	7	--	1	--	Reserved.
8	8	SMF42CCJNM	8	EBCDIC	Invoking jobname.
16	10	SMF42CCJNO	8	EBCDIC	Invoking job number.
24	18	SMF42CCSST	8	binary	Session start TOD.
32	20	SMF42CCEIT	8	binary	Initialization end TOD.
40	28	SMF42CCSET	8	binary	Session end TOD.
48	30	SMF42CCSSO	4	binary	Offset to first SSID (storage subsystem identifier) header.
52	34	SMF42CCSSN	2	binary	Number of SSIDs for session.
54	36	SMF42CCSSL	2	binary	Length of SSID header.
56	38	--	8	--	Reserved.
Concurrent Copy SSID Header Section (Present only for Subtype 4)(Offset from beginning of record: SMF42CCSSO)
0	0	SMF42CSNXT	4	binary	Offset to next SSID header (0 if last SSID).
4	4	SMF42CSID	2	binary	SSID.
6	6	SMF42CSIDP	1	binary	Controller session ID.
7	7	--	1	--	Reserved.
8	8	SMF42CSMSF	4	binary	Maximum track threshold reached in storage control buffers.
12	C	SMF42CSVLO	4	binary	Offset to first volume section for this SSID.
16	10	SMF42CSVLN	2	binary	Number of volume sections.
18	12	SMF42CSVLL	2	binary	Length of each volume section.
20	14	--	4	--	Reserved.
Concurrent Copy Volume Section (Present only for Subtype 4)(Offset from beginning of record: SMF42CSVLO)
0	0	SMF42CVLNX	4	binary	Offset to next volume (0 if last volume).
4	4	SMF42CVLSR	6	EBCDIC	Volume serial number.
10	A	--	2	--	Reserved.
12	C	SMF42CVLDV	1	binary	Device type.
13	D	SMF42CVLUA	3	EBCDIC	Unit address.
16	10	SMF42CVLTK	4	binary	Number of tracks to be processed on the volume.
20	14	SMF42CVLRD	4	binary	Number of tracks read directly from DASD.
24	18	SMF42CVLRS	4	binary	Number of tracks read from the storage control buffers.
28	1C	SMF42CVLEP	4	binary	Number of concurrent copy I/Os for the volume for the session.
32	20	--	4	--	Reserved.
Extended Format Data Set Section (Present only for Subtype 4)(Offset from beginning of record: SMF42EXO)
0	0	SMF42EXID	4	binary	Logical ID.
4	4	SMF42EXRQS	3	EBCDIC	Request type: ‘EXT’ = Extended format data set.
7	7	--	1	--	Reserved.
8	8	SMF42EXJNM	8	EBCDIC	Invoking jobname.
16	10	SMF42EXJNO	8	EBCDIC	Invoking job number.
24	18	SMF42EXSTM	8	binary	Start TOD.
32	20	SMF42EXETM	8	binary	End TOD.
40	28	SMF42EXTS	1	EBCDIC	Termination status: ‘N’ = normal ‘A’ = abnormal
41	29	--	3	--	Reserved.
44	2C	SMF42EVLRT	8	binary	Number of tracks read.
52	34	SMF42EVLWT	8	binary	Number of tracks written.
60	3C	--	12	--	Reserved.
Storage Class Response Time Section (Present only for Subtype 5)(Offset from beginning of record: SMF42SRO)
0	0	SMF42SCRNL	2	binary	Storage class name length.
2	2	SMF42SCRNN	30	EBCDIC	Storage class name.
32	20	SMF42SCIOR	4	binary	Response time.
36	24	SMF42SCIOC	4	binary	Average I/O connect time.
40	28	SMF42SCIOP	4	binary	Average I/O pending time.
44	2C	SMF42SCIOD	4	binary	Average I/O disconnect time.
48	30	SMF42SCIOQ	4	binary	Average control unit queue time.
52	34	SMF42SCION	4	binary	Total number of I/Os.
3990 Control Unit Cache Statistics:
56	38	SMF42SCCND	4	binary	Number of cache candidates.
60	3C	SMF42SCHIT	4	binary	Number of cache hits.
64	40	SMF42SCWCN	4	binary	Number of write candidates.
68	44	SMF42SCWHI	4	binary	Number of write hits.
72	48	SMF42SCSEQ	4	binary	Number of sequential I/O operations.
76	4C	SMF42SCRLC	4	binary	Number of record level cache I/O operations.
80	50	SMF42SCICL	4	binary	Number of inhibit cache load I/O operations.
84	54	SMF42SCDA0	4	binary	Average I/O device-active-only time.
Volume Header Section (Present only for Subtype 5)(Offset from beginning of record: SMF42VHO)
0	0	SMF42VTNXT	4	binary	Offset to next volume header section from start of record, including record descriptor word (RDW).
4	4	SMF42VTSER	6	EBCDIC	Volume serial identification.
10	A	SMF42VTADR	2	binary	Binary device number.
12	C	SMF42VTFL1	1	binary	Device descriptor flags. Bit Meaning 1... .... Device is online (SMF42VTONL) .1.. .... Device is SMS managed (SMF42VTSMS ) ..xx xxxx Reserved
13	D	--	7	EBCDIC	Reserved.
20	14	SMF42TUNC	4	binary	Count of I/O not captured by the VTOC or VVDS component statistics.
24	18	SMF42VTVDO	4	binary	Offset to VTOC Data component section.
28	1C	SMF42VTVDL	2	binary	Length of VTOC Data component section.
30	1E	--	2	EBCDIC	Reserved.
32	20	SMF42VTVXO	4	binary	Offset to VTOC Index component section.
36	24	SMF42VTVXL	2	binary	Length of VTOC Index component section.
38	26	--	2	EBCDIC	Reserved.
40	28	SMF42VTVVO	4	binary	Offset to VVDS component section.
44	2C	SMF42VTVVL	2	binary	Length of VVDS component section.
42	2E	--	2	EBCDIC	Reserved.
Volume Header Section - VTOC Data Component I/O Statistics (Present only for Subtype 5)(Offset from beginning of record: SMF42VDO)
0	0	SMF42VDIOR	4	binary	Response time.
4	4	SMF42VDIOC	4	binary	Average I/O connect time.
8	8	SMF42VDIOP	4	binary	Average I/O pending time.
12	C	SMF42VDIOD	4	binary	Average I/O disconnect time
16	10	SMF42VDIOQ	4	binary	Average control unit queue time.
20	14	SMF42VDION	4	binary	Total number of I/Os.
3990 Control Unit Cache Statistics:
24	18	SMF42VDCND	4	binary	Number of cache candidates.
28	1C	SMF42VDHIT	4	binary	Number of cache hits.
32	20	SMF42VDWCN	4	binary	Number of write candidates.
36	24	SMF42VDWHI	4	binary	Number of write hits.
40	28	SMF42VDSEQ	4	binary	Number of sequential I/O operations.
44	2C	SMF42VDRLC	4	binary	Number of record level cache I/O operations.
48	30	SMF42VDICL	4	binary	Number of inhibit cache load I/O operations.
52	34	SMF42VDDA0	4	binary	Average I/O device-active-only time.
Volume Header Section - VTOC Index Component I/O Statistics (Present only for Subtype 5)(Offset from beginning of record: SMF42VTVXO)
0	0	SMF42VXIOR	4	binary	Response time.
4	4	SMF42VXIOC	4	binary	Average I/O connect time.
8	8	SMF42VXIOP	4	binary	Average I/O pending time.
12	C	SMF42VXIOD	4	binary	Average I/O disconnect time.
16	10	SMF42VXIOQ	4	binary	Average control unit queue time.
20	14	SMF42VXION	4	binary	Total number of I/Os.
3990 Control Unit Cache Statistics:
24	18	SMF42VXCND	4	binary	Number of cache candidates.
28	1C	SMF42VXHIT	4	binary	Number of cache hits.
32	20	SMF42VXWCN	4	binary	Number of write candidates.
36	24	SMF42VXWHI	4	binary	Number of write hits.
40	28	SMF42VXSEQ	4	binary	Number of sequential I/O operations.
44	2C	SMF42VXRLC	4	binary	Number of record level cache I/O operations.
48	30	SMF42VXICL	4	binary	Number of inhibit cache load I/O operations.
52	34	SMF42VXDA0	4	binary	Average I/O device-active-only time.
Volume Header Section - VVDS Component I/O Statistics (Present only for Subtype 5)(Offset from beginning of record: SMF42VTVVO)
0	0	SMF42VVIOR	4	binary	Response time.
4	4	SMF42VVIOC	4	binary	Average I/O connect time.
8	8	SMF42VVIOP	4	binary	Average I/O pending time.
12	C	SMF42VVIOD	4	binary	Average I/O disconnect time.
16	10	SMF42VVIOQ	4	binary	Average control unit queue time.
20	14	SMF42VVION	4	binary	Total number of I/Os
3990 Control Unit Cache Statistics:
24	18	SMF42VVCND	4	binary	Number of cache candidates.
28	1C	SMF42VVHIT	4	binary	Number of cache hits.
32	20	SMF42VVWCN	4	binary	Number of write candidates.
36	24	SMF42VVWHI	4	binary	Number of write hits.
40	28	SMF42VVSEQ	4	binary	Number of sequential I/O operations.
44	2C	SMF42VVRLC	4	binary	Number of record level cache I/O operations.
48	30	SMF42VVICL	4	binary	Number of inhibit cache load I/O operations.
52	34	SMF42VVDA0	4	binary	Average I/O device-active-only time.
Job Header Section (Data Set Statistics) (Present only for Subtype 6)(Offset from beginning of record: SMF42JHO)
0	0	SMF42JDJNM	8	EBCDIC	Job name.
8	8	SMF42JDRST	4	binary	Time since midnight, in hundreds of a second, reader recognized the JOB card for this job.
12	0C	SMF42JDRSD	4	packed	Date reader recognized the JOB card for this job, in the form 0cyydddF.
16	10	SMF42JDUID	8	EBCDIC	User-defined identification field (taken from common exit parameter area, not from USER=parameter on job statement).
24	18	SMF42JDDSO	4	binary	Offset to first data set header section.
28	1C	SMF42JDDSL	2	binary	Length of data set header section.
30	1E	SMF42JDCOD	1	binary	0=Close, 1=Interval record.
31	1F	--	1	binary	Reserved.
32	20	SMF42JDPGN	2	binary	Job performance group number.
34	22	SMF42JDIOL	2	binary	Length of data set I/O statistics section.
36	24	SMF42JDAML	2	binary	Length of access method statistics section.
38	26	--	2	EBCDIC	Reserved.
40	28	SMF42JDGMO	4	binary	Greenwich Mean Time (GMT) offset represented in 1.048576 seconds.
44	2C	SMF42JDWSC	8	EBCDIC	Workload Manager (WLM) Service Class Name.
52	32	SMF42JDWLD	8	EBCDIC	Workload Manager (WLM) workload name.
60	3C	--	4	EBCDIC	Reserved.
Data Set Header Section (Present only for Subtype 6)(Offset from beginning of record: SMF42JDDSO)
0	0	SMF42DSNXT	4	binary	Offset to the next data set header section (0 if the last data set).
4	4	SMF42DSNAM	44	EBCDIC	Data set name.
48	30	SMF42DSTYP	1	binary	Data set type. Value Meaning 0 Other 1 Physical sequential 2 PDS 3 PDSE 4 Direct access 5 ISAM 6 EXCP 7 Extended format data set 10 HFS 16 KSDS data component 17 KSDS index component 18 Variable RRDS data component 19 Variable RRDS index component 20 Fixed length RRDS 21 Linear data set 22 ESDS
49	31	SMF42DSCOD	1	binary	Entry descriptor flag Bit Meaning 1... .... First data set entry since Open. .xxx xxxx Reserved.
50	32	SMF42DSFL1	1	binary	Data set descriptor flags Bit Meaning 11xx xxxx VSAM buffer flags 11.. .... GSR 10.. .... LSR 01.. .... RLS 00.. .... NSR ..x. .... Reserved ....1 .... Open for EXCP processing ..... 1... Non-VSAM fixed length records ..... .1.. Program library ..... ..1. Extended format ..... ...1 Compressed format
51	33	--	1	EBCDIC	Reserved.
52	34	SMF42DSIOO	4	binary	Offset to data set I/O statistics section.
56	38	SMF42DSAMO	4	binary	Offset to access method statistics section.
60	3C	SMF42DSVOL	6	EBCDIC	Volume serial number.
66	42	SMF42DSDEV	2	binary	Device number.
68	44	SMF42DSSC	8	EBCDIC	Storage class name.
76	4C	SMF42DSBSZ	4	binary	Block size.
80	50	SMF42DSTRP	2	binary	Number of stripes
82	52	--	6	EBCDIC	Reserved.
Data Set I/O Statistics Section (Present only for Subtype 6)(Offset from beginning of record: SMF42DSIOO)
0	0	SMF42DSIOR	4	binary	Average response time.
4	4	SMF42DSIOC	4	binary	Average I/O connect time.
8	8	SMF42DSIOP	4	binary	Average I/O pending time.
12	C	SMF42DSIOD	4	binary	Average I/O disconnect time.
16	10	SMF42DSIOQ	4	binary	Average control unit queue time.
20	14	SMF42DSION	4	binary	Total number of I/Os.
24	18	SMF42DSCND	4	binary	Number of cache candidates.
28	1C	SMF42DSSHTS	4	binary	Number of cache hits.
32	20	SMF42DSWCN	4	binary	Number of write candidates.
36	24	SMF42DSWHI	4	binary	Number of write hits.
40	28	SMF42DSSEQ	4	binary	Number of sequential I/O operations. Operations counted here are not accumulated in SMF42DSCND and SMF42DSWCN.
44	2C	SMF42DSRLC	4	binary	Number of record level cache I/O operations.
48	30	SMF42DSICL	4	binary	Number of inhibit cache load I/O operations.
52	34	SMF42DSDA0	4	binary	Average I/O device-active-only time.
56	38	SMF42DSMXR	4	binary	Maximum data set I/O response time.
60	3C	SMF42DSMXS	4	binary	Maximum data set service time.
Access Method Statistics Section (Present only for Subtype 6)(Offset from beginning of record: SMF42DSAMO)
0	0	SMF42AMSRB	4	binary	Sequential read: number of blocks.
4	4	SMF42AMSRR	4	binary	Sequential read: input/output delay.
8	8	SMF42AMSWB	4	binary	Sequential write: number of blocks.
12	0C	SMF42AMSWR	4	binary	Sequential write: input/output delay.
16	10	SMF42AMDRB	4	binary	Direct read: number of blocks.
20	14	SMF42AMDRR	4	binary	Direct read: total input/output delay.
24	18	SMF42AMDWB	4	binary	Direct write: number of blocks.
28	1C	SMF42AMDWR	4	binary	Direct write: total input/output delay.
32	20	SMF42AMZRB	4	binary	Number of directory reads.
36	24	SMF42AMZRR	4	binary	Directory read: input/output delay.
40	28	SMF42AMZWB	4	binary	Number of directory writes.
44	2C	SMF42AMZWR	4	binary	Directory write: input/output delay.
B37/D37/E37 Abend Data Section (Present only for Subtype 9)(Offset from beginning of record: SMF42ABO)
0	0	SMF42ASYID	4	EBCDIC	System ID.
4	4	SMF42JOBN	8	EBCDIC	Job Name.
12	C	SMF42RDST	4	binary	Reader start time.
16	10	SMF42RDSD	4	packed	Reader start date (0cyyddf).
20	14	SMF42AAUID	8	EBCDIC	User identification.
28	1C	SMF42ASTPN	1	binary	Job step number.
29	1D	SMF42FLAGS	1	binary	Flags Bit Meaning 1... .... B37 Abend ..1.. .... D37 Abend ...1. .... E37 Abend
30	1E	--	4	--	Reserved.
34	22	SMF42DSORG	2	binary	DSORG (data set organization).
36	24	SMF42ADISP	1	binary	Disposition.
37	25	SMF42DSNME	44	EBCDIC	Data set name.
81	51	SMF42VOLSR	6	EBCDIC	Volume serial number of current volume.
87	57	SMF42UCBTP	4	binary	UCB type information.
91	5B	SMF42NEXT	1	binary	Number of extends on the current volume for this data set.
92	5C	SMF42TNTRK	4	binary	Total number of tracks for data set on this volume.
96	60	SMF42ASSAT	4	binary	Secondary allocation amount from the JFCB.
100	64	SMF42ADRLH	3	binary	Average block length if specified.
103	67	--	5	--	Reserved.
SMS Data Section (Present only for Subtype 9)(Offset from beginning of record: SMF42SMO)
0	0	SMF42MCNME	30	EBCDIC	Management class name.
30	1E	SMF42SCNME	30	EBCDIC	Storage class name.
60	3C	SMF42DCNME	30	EBCDIC	Data class name.
Volume Selection Failure Section (Present only for Subtype 10)(Offset from beginning of record: SMF42VSF)
0	0	SMF42JBN	8	EBCDIC	Job name.
8	8	SMF42PGN	8	EBCDIC	Program name.
16	10	SMF42STN	8	EBCDIC	Step name
24	18	SMF42DDN	8	EBCDIC	DD name.
32	20	SMF42DSN	44	EBCDIC	Data set name.
76	4C	SMF42RSP	4	binary	Requested space quantity.
80	50	SMF42UNT	2	EBCDIC	Unit of space quantity.
82	52	SMF42DCL	4	binary	Length of data class.
86	56	SMF42DCN	30	EBCDIC	Data class name.
116	74	SMF42MCL	2	binary	Length of management class.
118	76	SMF42MCN	30	EBCDIC	Management class name.
148	94	SMF42SLN	2	binary	Length of storage class.
150	96	SMF42SNM	30	EBCDIC	Storage class name.
180	B4	SMF42SGL	2	binary	Length of storage group.
182	B6	SMF42SGN	30	EBCDIC	Storage group name.
Extended Remote Copy (XRC) Session Section (Present only for Subtype 11)(Offset from beginning of record: SMF42XRO)
0	0	SMF42XRID	8	EBCDIC	Logical session ID.
8	8	SMF42XRTYP	8	EBCDIC	Session type ‘XRC’ = Extended Remote Copy
16	10	SMF42XRSSO	4	binary	Offset to first storage subsystem identifier (SSID) data section.
20	14	SMF42XRSSN	2	binary	Number of SSIDs in the XRC session.
22	16	SMF42XRSSL	2	binary	Length of SSID data section.
24	18	--	8	--	Reserved.
XRC SSID Data Section (Present only for Subtype 11)(Offset from beginning of record: SMF42XRSSO)
0	0	SMF42XRSNX	4	binary	Offset to next SSID data section (0 if last SSID).
4	4	SMF42XRSID	2	binary	SSID.
6	6	SMF42XRIDP	1	binary	Controller session ID.
7	7	--	1	--	Reserved.
8	8	SMF42XRVSH	4	binary	Number of volumes being shadowed for this SSID that are still active in the XRC session at the end of the SMF interval.
12	C	SMF42XRTPR	4	binary	Total number of primary data mover reads.
16	10	SMF42XRNWD	4	binary	Number of data mover reads with data.
20	14	SMF42XRNND	4	binary	Number of data mover reads with no data.
24	18	SMF42XRNLR	4	binary	Number of data mover reads left to be read.
28	1C	SMF42XRNFW	4	binary	Number of format writes.
32	20	SMF42XRNUW	4	binary	Number of update writes.
36	24	SMF42FXRARS	4	binary	Average record size.
40	28	--	4	--	Reserved.
ADSTAR Distributed Storage Manager (ADSM) Accounting Section (Present only for Subtype 14)(Offset from beginning of record: SMF42T14)
0	0	SMF42T14_ PLV	2	EBCDIC	Product level.
2	2	SMF42T14_ PNM	8	EBCDIC	Product name, ADSM.
10	A	--	2	--	Reserved.
12	C	SMF42T14_ NDNM	30	EBCDIC	Node name of ADSM client. If the node name does not fit completely within 30 characters, the client node name is listed as: first...last where first is the first 17 characters of the node name and last is the last 10 characters of the node name.
42	2A	SMF42T14_ DTTM	14	EBCDIC	Data and time of accounting (yyyymmddhhmmss).
56	38	SMF42T14_ DUR	4	binary	Duraction of session, in seconds.
STOW Initialize - Job and Data Set Information (Present only for Subtype 20)(Offset from beginning of record: SMF42KN1)
0	0	SMF42KJB	8	EBCDIC	Job name, started task control, or time sharing user who issued the STOW Initialize.
8	8	SMF42KST	8	EBCDIC	Step name.
16	10	SMF42KPR	8	EBCDIC	Proc name (or blanks).
24	18	SMF42KDS	44	EBCDIC	Data set name.
68	44	SMF42KVS	6	EBCDIC	VOLSER.
STOW Initialize - User Information (Present only for Subtype 20)(Offset from beginning of record: SMF42KN4)
0	0	SMF42KUI	80	EBCDIC	User information of the caller of STOW macro that is mapped by ICHRUTKN
Member Delete - Job and Data Set Information (Present only for Subtype 21)(Offset from beginning of record: SMF42LN1)
0	0	SMF42LJB	8	EBCDIC	Job name, started task control, or time sharing user who issued the STOW or DESERV delete.
8	8	SMF42LST	8	EBCDIC	Step name.
16	10	SMF42LPR	8	EBCDIC	Proc name (or blanks).
24	18	SMF42LDS	44	EBCDIC	Data set name.
68	44	SMF42LVS	6	EBCDIC	VOLSER.
74	4A	SMF42LNL	2	binary	Length of the member name that was deleted (SMF42LMN).
76	4C	SMF42LFL	4	binary	Flags - Bit Meaning When Set 0 Some aliases were excluded from the record because the record length would have exceeded the maximum 1-31 Reserved.
80	50	SMF42LMN	VAR	EBCDIC	Member name that was deleted. Actual length used is determined by SMF42LNL. (Maximum length is 63.)
Member Delete - Alias Names Deleted in Sympathy (Present only for Subtype 21)(Offset from beginning of record: SMF42LN4)
0	0	SMF42LNA	2	binary	Number of alias names that were also deleted because SMF42LMN is a PDSE primary member name.
2	2	SMF42LAA	VAR	EBCDIC	Alias name list array, contains SMF42LNA number of entries. See “Alias Name List Array.”
Member Delete - Alias Name List Array (Present only for Subtype 21)(Offset from beginning of record: SMF42LN4 + 2)
0	0	SMF42LAL	2	binary	Length of the alias name that was deleted in sympathy.
2	2	SMF42LAN	VAR	EBCDIC	Alias name deleted in sympathy. (Length is SMF42LAL.)
Member Delete - User Information (Present only for Subtype 21)(Offset from beginning of record: SMF42LN7)
0	0	SMF42LUI	80	EBCDIC	User information of the caller of STOW macro that is mapped by ICHRUTKN.
DFSMSrmm Audit Records (Present only for Subtype 22)(Offset from beginning of record: SMF42AUD)
0	0	SMF42MJBN	8	EBCDIC	Job name.
8	8	SMF42MRST	4	EBCDIC	Reader start time.
12	C	SMF42MRSD	4	EBCDIC	Reader start time.
16	10	SMF42MUID	8	EBCDIC	RACF user ID.
24	18	SMF42MACT	1	EBCDIC	Activity type: A - Record added; C - Record changed; D - Record deleted
25	19	SMF42MFG1	1	binary	Flag 1. Bit - Meaning When Set 0 - SMF42MLIS Last in set. 1 - SMF42MJRN Journal record available. 2-7 * Reserved.
26	1A	SMF42MCVTSFLG	8	binary	Virtual tape server flag.
27	1B	SMF42MCENABLE	8	binary	Control record enable flag.
28	1C	SMF42MLDTO	8	EBCDIC	Local time/date offset.
36	24	SMF42MCJNRECN	4	Signed	Journal record number.
40	28	SMF42MJNRECN	4	Signed	Number of next jn rec.
44	2C	SMF42MCUPDVSI	4	Signed	VSI when MCUPDACT set on.
48	30	SMF42MCVSICNT	4	Signed	VSI control count.
52	34	SMF42MCVRLCTK	8	EBCDIC	VRSEL last change token.
60	3C	SMF42MCVRSCNT	4	Signed	Current VRS change counter.
64	40	SMF42MCVRSRUN	4	Signed	Last HSKP VRS change counter.
68	44	SMF42MCSYNCTS	8	EBCDIC	Catsynch time stamp.
68	44	SMF42MCSYNCDT	4	EBCDIC	Catsynch date.
72	48	SMF42MCSYNCTM	4	EBCDIC	Catsynch time.
DFSMSrmm Security Records (Present only for Subtype 23)(Offset from beginning of record: SMF42SEC)
0	0	SMF42NJBN	8	EBCDIC	Job name.
8	8	SMF42NRST	4	EBCDIC	Reader start time.
12	C	SMF42NRSD	4	EBCDIC	Reader start time.
16	10	SMF42NUIF	8	EBCDIC	User identification.
24	18	SMF42NUID	8	EBCDIC	RACF user ID.
32	20	SMF42NCGP	8	EBCDIC	RACF connect group.
40	28	SMF42NVER	1	EBCDIC	Record version identifier (2).
41	29	SMF42NACT	1	EBCDIC	Activity type: C - Data set create E - Data set extend U - Data set update R - Data set read access D - Data set delete
42	2A	SMF42NSTP	1	binary	Security type.
43	2B	--	1	EBCDIC	Reserved.
44	2C	SMF42NDSN	44	EBCDIC	Data set name.
88	58	SMF42NVOL	6	EBCDIC	Volume serial number.
94	5E	SMF42NUNT	8	EBCDIC	Device type.
102	66	SMF42NDSQ	2	Unsigned	Data set sequence number.
104	68	SMF42NVSQ	2	EBCDIC	Volume sequence number.
112	70	SMF42NLDTO	8	EBCDIC	Local time/date offset.
Member Add/Replace - Job and Data Set Information (Present only for Subtype 24)(Offset from beginning of record: SMF42PN1)
0	0	SMF42PJB	8	EBCDIC	Job name, started task control, or time sharing user who issued the STOW (add/replace) or DESERV PUT.
8	8	SMF42PST	8	EBCDIC	Step name.
16	10	SMF42PPR	8	EBCDIC	Proc name (or blanks).
24	18	SMF42PDS	44	EBCDIC	Data set name.
68	44	SMF42PVS	6	EBCDIC	Volume serial number (VOLSER).
74	4A	SMF42PML	2	binary	Length of the member name that was added or replaced.
76	4C	SMF42PF1	1	binary	Flags Bit Meaning When Set 0 Some aliases were excluded from the record because the record length would have exceeded the maximum. 1 When this bit is on, a new member was added. 2–7 Reserved.
77	4D	--	3	binary	Reserved.
80	50	SMF42PMN	VAR	EBCDIC	Member name that was added or replaced.
Member Add/Replace - Alias Names Deleted in Sympathy (Present only for Subtype 24)(Offset from beginning of record: SMF42PN4)
0	0	SMF42PNA	2	binary	Number of alias names that were deleted because SMF42PMN is a PDSE primary member name.
2	2	SMF42PAA	VAR	EBCDIC	Alias name list array, contains SMF42P#A number of entries. See “Alias Name List Array.
Member Add/Replace - Alias Name List Array (Present only for Subtype 24)(Offset from beginning of record: SMF42PN4 + 2)
0	0	SMF42PAL	2	binary	Length of the alias name that was deleted in sympathy.
2	2	SMF42PAN	VAR	EBCDIC	Alias name that was deleted in sympathy.
Member Add/Replace - User Information (Present only for Subtype 24)(Offset from beginning of record: SMF42PN7)
0	0	SMF42PUI	80	EBCDIC	User information of the caller of STOW or DESERV macro that is mapped by ICHRUTKN.
Member Rename - Job and Data Set Information (Present only for Subtype 25)(Offset from beginning of record: SMF42QN1)
0	0	SMF42QJB	8	EBCDIC	Job name, started task control, or time sharing user who issued the STOW (rename) or DESERV RENAME.
8	8	SMF42QST	8	EBCDIC	Step name.
16	10	SMF42QPR	8	EBCDIC	Proc name (or blanks).
24	18	SMF42QDS	44	EBCDIC	Data set name.
68	44	SMF42QVS	6	EBCDIC	Volume serial number (VOLSER).
74	4A	SMF42QML	2	binary	Length of the member name after the rename.
76	4C	SMF42QMN	VAR	EBCDIC	Member name after the rename (new name).
Member Rename - Original Member Name (Present only for Subtype 25)(Offset from beginning of record: SMF42QN4)
0	0	SMF42QOL	2	binary	Length of the member name before the rename.
2	2	SMF42QON	VAR	EBCDIC	Member name before the rename (old name).
Member Rename - User Information (Present only for Subtype 25)(Offset from beginning of record: SMF42QN7)
0	0	SMF42QUI	80	EBCDIC	User information of the caller of STOW or DESERV macro that is mapped by ICHRUTKN.

The table above is based on the description provided by IBM in its "MVS Systems Management Facilities (SMF)" manual.

Spectrum SMF Writer - the 4GL SMF Report Writer.

Sample Report from SMF 42 Subtype 6 Records
showing DASD Stats by DSNAME

The sample SMF report below was created with Spectrum SMF Writer, the low-cost 4GL SMF report writer. It reads as input the SMF file and selects just the type 42 DFSMS statistics records. (See SMF 42 record layout.) It then prints a report line for each CLOSE of a dataset with a name matching the test criteria. The report shows job id and statistical information about the datasets, including average response time and total number of I/O's.

All of this with just a few lines of code!
Why not install a Spectrum SMF Writer trial right now and start making your own SMF reports!

These Spectrum SMF Writer Statements:


OPTION: HDGSEP('/') /* CHANGE DEFAULT SEPERATOR CHAR */
INPUT:  SMF42

********* SET DSN MASK BELOW. ALSO SET COMPDSN TO SAME LENGTH ****
COMP: TESTDSN    = 'TTAP01B'      /* LOOK FOR THESE DSN'S  */
COMP: COMPDSN(7) = SMF42DSNAM     /* TRUNCATE DSN TO TESTDSN'S SIZE */

INC: SMF42RTY = 42   /* TYPE 42 DFSMS STAT RECORDS       */
 AND SMF42STY = 6    /* SUBTYPE 6 -- DASD STATS          */
 AND SMF42JDCOD = 0  /* CLOSE STATS (NOT INTERVAL STATS) */
 AND COMPDSN = TESTDSN  /* SELECT DSN'S THAT START WITH THIS */

COLUMNS:
     SMF42JDJNM(8 'JOBNAME')
     SMF42JDRSD(8 'READER/DATE')
     SMF42JDRST(11 'READER/TIME')
     SMF42JDWSC(8)
     SMF42JDWLD(8)
     SMF42DSNAM(20)
     SMF42DSIOR(7 'IO/RATE')
     SMF42DSION(8 "NUM/IO'S")
     SMF42DSVOL(8 'VOLUME')
     SMF42DSSC(8 'STORAGE/CLASS')
     SMF42DSBSZ(6 'BLOCK/SIZE')

TITLE: 'SMF 42 SUBTYPE 6 DFSMS DATASET CLOSING STATISTICS'
TITLE: 'FOR DATASETS BEGINNING WITH:' TESTDSN

Produce This SMF Report:


                               SMF 42 SUBTYPE 6 DFSMS DATASET CLOSING STATISTICS
                                      FOR DATASETS BEGINNING WITH: TTAP01B
           READER    READER                                             IO      NUM             STORAGE  BLOCK
 JOBNAME    DATE      TIME     SMF42JDW SMF42JDW      SMF42DSNAM       RATE     IO'S    VOLUME   CLASS    SIZE
 ________ ________ ___________ ________ ________ ____________________ _______ ________ ________ ________ ______

 TTAP01B  06/17/09 12:45:56.94 TSO01    TSOOTHER TTAP01B.ISPF.ISPPROF      40        4  SYST1B            6,160
 TTAP01B  06/17/09 12:45:56.94 TSO01    TSOOTHER TTAP01B.ISPF.ISPPROF       8        4  SYST1B            6,160
 TTAP01B  06/17/09 12:45:56.94 TSO01    TSOOTHER TTAP01B.AP400.ASM        122        1  VPWRKC              256
 TTAP01B  06/17/09 12:45:56.94 TSO01    TSOOTHER TTAP01B.AP400.ASM         13        1  VPWRKC              256
 TTAP01B  06/17/09 12:45:56.94 TSO01    TSOOTHER TTAP01B.ISPF.ISPPROF       7        4  SYST1B            6,160
 TTAP01B  06/17/09 12:45:56.94 TSO01    TSOOTHER TTAP01B.SPFTEMP0.CNT       5      176  SYST1C              320
 TTAP01B  06/17/09 12:45:56.94 TSO01    TSOOTHER TTAP01B.SPFTEMP0.CNT       4      177  SYST1C              800
 SMF101   06/17/09 12:48:31.95 BATMDM   BATCH    TTAP01B.SMF19            166        1  SYST1E           27,998
 SMF101   06/17/09 12:48:31.95 BATMDM   BATCH    TTAP01B.SW.COPYLIB        39        7  SYST1E           23,440
 SMF101   06/17/09 12:48:31.95 BATMDM   BATCH    TTAP01B.AP400.LOADLI      20       28  VPWRKB           23,440
 TTAP01B  06/17/09 12:45:56.94 TSO01    TSOOTHER TTAP01B.AP400.ASM         42        7  VPWRKC           23,440
 TTAP01B  06/17/09 12:45:56.94 TSO01    TSOOTHER TTAP01B.ISPF.ISPPROF       5        4  SYST1B            6,160
 TTAP01B  06/17/09 12:45:56.94 TSO01    TSOOTHER TTAP01B.ISPF.ISPPROF       6        4  SYST1B            6,160
 TTAP01B  06/17/09 12:45:56.94 TSO01    TSOOTHER TTAP01B.ISPF.ISPPROF       6        4  SYST1B            6,160
 TTAP01B  06/17/09 12:45:56.94 TSO01    TSOOTHER TTAP01B.ISPF.ISPPROF       6        4  SYST1B            6,160
 TTAP01B  06/17/09 12:45:56.94 TSO01    TSOOTHER TTAP01B.ISPF.ISPPROF       6        4  SYST1B            6,160
 TTAP01B  06/17/09 12:45:56.94 TSO01    TSOOTHER TTAP01B.ISR2469.BACK       6        1  SYST1E            1,296
 TTAP01B  06/17/09 12:45:56.94 TSO01    TSOOTHER TTAP01B.ISPF.ISPPROF       5        4  SYST1B            6,160
 TTAP01B  06/17/09 12:45:56.94 TSO01    TSOOTHER TTAP01B.SPFTEMP0.CNT       6      176  SYST1C              320
 TTAP01B  06/17/09 12:45:56.94 TSO01    TSOOTHER TTAP01B.SPFTEMP0.CNT       5      177  SYST1C              800
 SMF101   06/17/09 12:51:35.33 BATMDM   BATCH    TTAP01B.SMF19             19        1  SYST1E           27,998
 SMF101   06/17/09 12:51:35.33 BATMDM   BATCH    TTAP01B.SW.COPYLIB         4        7  SYST1E           23,440
 SMF101   06/17/09 12:51:35.33 BATMDM   BATCH    TTAP01B.AP400.LOADLI       4       28  VPWRKB           23,440
 TTAP01B  06/17/09 12:45:56.94 TSO01    TSOOTHER TTAP01B.AP400.ASM          6        9  VPWRKC           23,120
 TTAP01B  06/17/09 12:45:56.94 TSO01    TSOOTHER TTAP01B.ISPF.ISPPROF       5        4  SYST1B            6,160
 TTAP01B  06/17/09 12:45:56.94 TSO01    TSOOTHER TTAP01B.ISR2469.BACK       5       10  SYST1E              281
 TTAP01B  06/17/09 12:45:56.94 TSO01    TSOOTHER TTAP01B.AP400.ASM          6        7  VPWRKC           23,440
 TTAP01B  06/17/09 12:45:56.94 TSO01    TSOOTHER TTAP01B.SW.COPYLIB         5        5  SYST1E           16,320
 TTAP01B  06/17/09 12:45:56.94 TSO01    TSOOTHER TTAP01B.ISPF.ISPPROF       5        4  SYST1B            6,160
 TTAP01B  06/17/09 12:45:56.94 TSO01    TSOOTHER TTAP01B.ISPF.ISPPROF      35        4  SYST1B            6,160
 TTAP01B  06/17/09 12:45:56.94 TSO01    TSOOTHER TTAP01B.ISPF.ISPPROF       6        4  SYST1B            6,160
 TTAP01B  06/17/09 12:45:56.94 TSO01    TSOOTHER TTAP01B.ISPF.ISPPROF       5        4  SYST1B            6,160
 ...

See other sample SMF reports.