IBM SMF Explorer
GitHub Toggle Dark/Light/Auto mode Toggle Dark/Light/Auto mode Toggle Dark/Light/Auto mode Back to homepage

SMF 74 Subtype 8

Virtual fields

Name Based on Description
timestamp date
time
Record Timestamp
boost_class fla Boost class is set at end of interval, valid only when zIIP boost and/or Speed boost is active: 001 IPL, 010 Shutdown, 011 Recovery Process

Record fields

Name Based on Description Type/Format
date SMF74DTE Date of Record date
time SMF74TME Time of Record time
timestamp virtual date
time
Record Timestamp
len SMF74LEN SMF RECORD LENGTH. ZERO AFTER GRBSMFR REASSEMBLY integer
seg SMF74SEG SEGMENT DESCRIPTOR integer
flg flag SMF74FLG SYSTEM INDICATOR FLAGS string
rrf flg NEW RECORD FORMAT
sut flg SUBTYPES USED
v4 flg MVS/ESA V4 IF ON
esa flg MVS/ESA IF ON
vxa flg MVS/XA IF ON
os flg OPERATING SYSTEM IS OS/VS2
bfy flg SYSTEM RUNNING IN PR/SM MODE
rty SMF74RTY RECORD TYPE integer
tme SMF74TME TIME RECORD WRITTEN time
dte SMF74DTE DATE RECORD WRITTEN date
sid SMF74SID SYSTEM ID FROM INSTALLATION string
ssi SMF74SSI SUBSYSTEM ID (RMF ) string
sty SMF74STY SUBTYPE integer
trn SMF74TRN NUMBER OF TRIPLETS IN THIS REC integer
prs SMF74PRS OFFSET TO RMF PRODUCT SECTION integer
prl SMF74PRL LENGTH OF RMF PRODUCT SECTION integer
prn SMF74PRN NUMBER OF RMF PRODUCT SECTIONS integer
co SMF748CO Offset to link control section integer
cl SMF748CL Length of link control section integer
cn SMF748CN Number of link control sections integer
lo SMF748LO Offset to link data section integer
ll SMF748LL Length of link data section integer
ln SMF748LN Number of link data sections integer
xo SMF748XO Offset to Extent pool data section integer
xl SMF748XL Length of Extent pool data section integer
xn SMF748XN Number of Extent pool data section integer
ro SMF748RO Offset to Rank statistics data section integer
rl SMF748RL Length of Rank statistics data section integer
rn SMF748RN Number of Rank statistics data section integer
ao SMF748AO Offset to Rank Array data section integer
al SMF748AL Length of Rank Array data section integer
an SMF748AN Number of Rank Array data section integer
so SMF748SO Offset to Synchronous I/O Link Statistics data sect. integer
sl SMF748SL Length of Synchronous I/O Link Statistics data sect. integer
sn SMF748SN Number of Synchronous I/O Link Statistics data sect. integer

Maps and sections

SMF74PRO

RMF Product Section

Name Based on Description Type/Format
mfv SMF74MFV RMF version number integer
prd SMF74PRD Product name string
ist SMF74IST Time monitor interval start time
dat SMF74DAT Date monitor interval start date
int SMF74INT Duration of monitor interval time
sam SMF74SAM Number of samples integer
fla flag SMF74FLA Flags string
cnv fla Data converted from version 2
iss fla Invalid samples to be skipped
m3r fla Record was written by RMF Monitor III
ism fla Interval was under SMF control
rcl fla SMF record converted to lower service level. Bit is set by SMF record retrieval service GRBSMFR.
rch fla SMF record converted to higher release or service level. Bit is set by SMF record retrieval service GRBSMFR.
altvm fla Running under an alternate virtual machine environment
iip fla zIIP boost was active during entire interval
eed fla Speed boost was active during entire interval
boost_class virtual fla Boost class is set at end of interval, valid only when zIIP boost and/or Speed boost is active: 001 IPL, 010 Shutdown, 011 Recovery Process
cyc SMF74CYC Sampling cycle length time
mvs SMF74MVS MVS software level (consists of an acronym and the version, release, and modification level - ZVvvrrmm) string
iml SMF74IML Indicates the type of processor complex on which data measurements were taken. X'03’ = 9672, zSeries integer
prf flag SMF74PRF Processor flags string
qes prf System has expanded storage
cne prf Equipped with ESCON channel
drc prf ESCON Director in configuration
eme prf System in z/ARCH mode
pri prf At least one zAAP is currently installed
prp prf At least one zIIP is currently installed
ped prf Enhanced DAT facility 1
pe2 prf Enhanced DAT facility 2
ptn SMF74PTN PR/SM partition number string
srl SMF74SRL SMF record level integer
iet SMF74IET Interval expiration time token string
lgo SMF74LGO Offset GMT to local time integer
rao SMF74RAO Offset to reassembly area relative to start of RMF product section integer
ral SMF74RAL Length of reassembly area. Area consists of a fixed header and a variable number of information blocks. Length depends on the record type/subtype, but is fixed for a specific type/subtype integer
ran SMF74RAN Number of reassembly area. This field is used to indicate whether SMF record is broken. If 0, record is not broken. If 1, record is broken. Offset and length are only valid if SMFxxRAN is 1. Reassembly area is only present in broken records. integer
oil SMF74OIL Original interval length as defined in the session or by SMF (in seconds) integer
syn SMF74SYN SYNC value in seconds integer
gie SMF74GIE Projected gathering interval end GMT time date-time
xnm SMF74XNM Sysplex name as defined in ECVTSPLX string
snm SMF74SNM System name for current system as defined in CVTSNAME string

R748CNTL

Control Data Section

Name Based on Description Type/Format
r748clvl R748CLVL Gatherer level integer
r748ctyp R748CTYP CU TYPe string
r748cmdl R748CMDL CU MoDeL string
r748cser R748CSER Primary CU serial number string
r748cvsn R748CVSN VerSioN of link statistics definition 00 = Original length of link statistics 01 = Link statistics extended 02 = Link statistics V2 format integer
r748cae R748CAE Abend Code (SDWACMPC) System and User completion code (12 bits each) integer
r748crtn R748CRTN IDCSS01 return code integer
r748csc R748CSC Status code 00 = successful processed, 04 = IOS return code R748CIOC ^= 0, 08 = IDCSS01 return code R748CRTN ^= 0, 98 = SYSTEM or USER ABEND R748CAE ^= 0 integer
r748cioc R748CIOC IOS return code. If not zero, no link statistic data sections integer
r748cfdv R748CFDV Failing device integer
r748cvol R748CVOL Volume serial of device that statistics where read from string
r748cdev R748CDEV Device number of device that statistics where read from string
r748cflg flag R748CFLG Flags string
r748cxvl r748cflg Extent Pool statistics valid
r748cscs R748CSCS ID of the subchannel set which is physically configured to the device from which statistics are measured string
r748cint R748CINT Number of seconds since statistics last collected integer
r748cftm R748CFTM Time when first record was written (Reserved for duration processing) time
r748cfdt R748CFDT Date when first record was written (Reserved for duration processing) time
r748cfci R748CFCI Interval length of first record (Reserved for duration processing) integer
r748cfsc R748CFSC Subchannel set ID of failing device integer

R748LSS

Link Statistics Section

Name Based on Description Type/Format
r748laid R748LAID Adapter ID integer
r748ltyp R748LTYP Link type 1 ESCON 2 Fibre Channel 1 Gb/s 3 Fibre Channel 2 Gb/s 4 Fibre Channel 4 Gb/s 5 Fibre Channel 8 Gb/s 6 Fibre Channel 16 Gb/s 10 Ethernet Channel 10 Gb/s integer
r748lflg flag R748LFLG Flags string
r748lbyt r748lflg On = Units of bytes indeterminable. Byte values incorrect.
r748ltim r748lflg On = Units of time indeterminable. Time values incorrect.
r748lerb R748LERB ECKD architecture Read in units of 128K bytes (long floating point) number
r748lewb R748LEWB ECKD architecture Write units of 128K bytes (long floating point) number
r748lero R748LERO ECKD architecture Read Operations. For ESCON ports, one count per chain which transfers customer data to the host. For FICON ports, one count per command which transfers customer data to the host (long floating point). number
r748lewo R748LEWO ECKD architecture Write Operations. For ESCON ports, one count per chain which transfers customer data from the host. For FICON ports, one count per command which transfers customer data from the host (long floating point). Note: A chain on an ESCON port that has read and write commands is counted as a read chain. number
r748lert R748LERT ECKD architecture Read accumulated time on channel in milliseconds. The active processing time for each command is accumulated (long floating point). number
r748lewt R748LEWT ECKD architecture Write accumulated time on channel in milliseconds. The active processing time for each command is accumulated (long floating point). number
r748lpsb R748LPSB PPRC Sent in units of 128K bytes (long floating point) number
r748lprb R748LPRB PPRC Received in units of 128K bytes (long floating point) number
r748lpso R748LPSO PPRC Sent Operations. Each PPRC write command sent by the PPRC primary (long floating point). number
r748lpro R748LPRO PPRC Received Operations. Each PPRC write command received by the PPRC secondary (long floating point). number
r748lpst R748LPST PPRC Sent accumulated time in milliseconds (long floating point) number
r748lprt R748LPRT PPRC Received accumulated time in milliseconds (long floating point) number
r748lsrb R748LSRB SCSI Read in units of 128K bytes (long floating point) number
r748lswb R748LSWB SCSI Write in units of 128K bytes (long floating point) number
r748lsro R748LSRO SCSI Read Operations. Each customer read operation is counted (long floating point). number
r748lswo R748LSWO SCSI Write Operations. Each customer write operation is counted (long floating point). number
r748lsrt R748LSRT SCSI Read accumulated time on channel in milliseconds (long floating point). number
r748lswt R748LSWT SCSI Write accumulated time on channel in milliseconds (long floating point). number
r748lflf R748LFLF Fibre Channel link failures (short floating point). number
r748lfly R748LFLY Fibre Channel synchronization failures (short floating point). number
r748lfls R748LFLS Fibre Channel signal failures (short floating point). number
r748lfpq R748LFPQ Number of Fibre Channel primitive sequnece errors (short floating point). number
r748lfit R748LFIT Fibre Channel invalid transmission word errors (short floating point). number
r748lfcr R748LFCR Fibre Channel cyclic redundancy check (CRC) errors (short floating point). number
r748lfr1 R748LFR1 Fibre Channel link recovery (LR) sent (short floating point). number
r748lfr2 R748LFR2 Fibre Channel link recovery (LR) received (short floating point). number
r748lfif R748LFIF Fibre Channel illegal frame errors (short floating point). number
r748lfod R748LFOD Fibre Channel out of order data errors (short floating point). number
r748lfoa R748LFOA Fibre Channel out of order ACK errors (short floating point). number
r748lfdf R748LFDF Fibre Channel duplicate frame errors (short floating point). number
r748lfio R748LFIO Fibre Channel invalid relative offset failures (short floating point). number
r748lftc R748LFTC Fibre Channel sequence timeout errors (short floating point). number
r748lfbc R748LFBC Fibre Channel bit error rate integer

R748EXTP

Extended Pool Statistics Section

Name Based on Description Type/Format
r748xpid R748XPID Extent pool identifier integer
r748xplt R748XPLT Extent pool type 00-03 = RESERVED, 04 = FB 1Gb, 05-131 = RESERVED, 132 = CKD 1Gb, 133-255 = RESERVED integer
r748xptq flag R748XPTQ Extent pool type qualifier string
r748xtcr r748xptq ‘1’ = Data encrpted extent pool
r748xrcp R748XRCP Real extent pool capacity in GB integer
r748xrns R748XRNS Number of real extents in extent pool integer
r748xrna R748XRNA Number of real allocated extents in extent pool integer
r748xrsc R748XRSC Real extent conversions. Valid if bit R748CXVL is set integer
r748xvcp R748XVCP Virtual extent pool capacity in GB. Valid if bit R748CXVL is set integer
r748xvns R748XVNS Number of virtual extents in extent pool. Valid if bit R748CXVL is set integer
r748xvsc R748XVSC Virtual extent conversions. Valid if bit R748CXVL is set integer
r748xsdy R748XSDY Number of extents that were sources of dynamic extent relocations. Valid if bit R748CXVL is set integer
r748xtdy R748XTDY Number of extents that were targets of dynamic extent relocations. Valid if bit R748CXVL is set integer

R748RANK

Rank Statistics Section

Name Based on Description Type/Format
r748rrid R748RRID Rank identifier integer
r748rpnm R748RPNM Extent pool number integer
r748rcnt R748RCNT Count of arrays in rank integer
r748raix R748RAIX Index to first array section of rank integer
r748rbyr R748RBYR Rank 128 KBYtes read. (long floating point) number
r748rbyw R748RBYW Rank 128 KBYtes write. (long floating point) number
r748rrop R748RROP Rank read operations. (long floating point) number
r748rwop R748RWOP Rank write operations. (long floating point) number
r748rkrt R748RKRT Rank read response time in units of 16 milliseconds. (long floating point) number
r748rkwt R748RKWT Rank write response time in units of 16 milliseconds. (long floating point) number
r748rtq flag R748RTQ Rank type qualifer string
r748rtcr r748rtq ‘1’ = Data encrypted rank
r748raiv r748rtq ‘1’ = Rank adapter pair id valid
r748rai R748RAI Rank adapter pair id integer

R748ARRY

Rank Array Data Section

Name Based on Description Type/Format
r748aaid R748AAID Rank array identifier integer
r748arid R748ARID Rank identfier integer
r748aebc R748AEBC Array type in EBCDIC string
r748atyp R748ATYP Array type 01 = RAID-5, 02 = RAID-10, 03 = RAID-6, 04-FF Not used integer
r748aasp R748AASP Array speed in 1000 RPM integer
r748aawd R748AAWD Array width integer
r748aacp R748AACP Array capacity in GB integer
r748aast R748AAST Array device class and Array status string
r748adc flag R748ADC Array device class 00 = Enterprise 01 = Near-line 10 = SATA 11 = Solid state drive string
r748ard r748adc ‘1’ = Raid degraded
r748adt r748adc ‘1’ = DDM throttling
r748are r748adc ‘1’ = RPM exception

R748SIOL

Sync I/O Link Statistics Section

Name Based on Description Type/Format
r748siid R748SIID Synchronous I/O link interface identifier. integer
r748styp R748STYP Synchronous I/O link type. 00 Not used 01 Optical PCIe 02-FF Not used integer
r748sspd R748SSPD Synchronous I/O link type. 00 Not used 01 PCIe Gen 1 02 PCIe Gen 2 03 PCIe Gen 3 04 PCIe Gen 4 05-FF Not used integer
r748swdh R748SWDH Synchronous I/O link width. This is the number of PCIe lanes. integer
r748sste R748SSTE Synchronous I/O link type. 00 Not used 01 Link not trained 02 Link handshake incomplete 03 Link handshake complete, link operational 04 Link in service mode 05-FF Not used integer
r748sflg flag R748SFLG Flags string
r748sbyt r748sflg On = Units of bytes indeterminable. Byte values incorrect.
r748stim r748sflg On = Units of time indeterminable. Time values incorrect.
r748scbr R748SCBR Synchronous I/O cache bytes read in units of 128K bytes. (long floating point) number
r748scro R748SCRO Total number of synchronous I/O cache read operations. (long floating point) number
r748scrs R748SCRS Number of successful synchronous I/O cache read operations. (long floating point) number
r748scrt R748SCRT Synchronous I/O cache read accumulated time in milliseconds (long floating point) number
r748scbw R748SCBW Synchronous I/O cache bytes written in units of 128K bytes. (long floating point) number
r748scwo R748SCWO Total number of synchronous I/O cache write operations. (long floating point) number
r748scws R748SCWS Number of successful synchronous I/O cache write operations. (long floating point) number
r748scwt R748SCWT Synchronous I/O cache write accumulated time in milliseconds (long floating point) number
r748snbw R748SNBW Synchronous I/O NVS bytes written in units of 128K bytes. (long floating point) number
r748snwo R748SNWO Total number of synchronous I/O NVS write operations. (long floating point) number
r748snws R748SNWS Number of successful synchronous I/O NVS write operations. (long floating point) number
r748snwt R748SNWT Synchronous I/O NVS write accumulated time in milliseconds (long floating point) number