SMF 74-5 Cache Subsystem Device Activity

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Introduction

Fields

Stored in cacheData

SMF Field DB Column name Description Unit
recType Value is always CHE
SMF74DAT startTime Date when the RMF measurement interval started
SMF74IST startTime Time when the RMF measurement interval started
SMF74DTE endTime Date when the record was moved into the SMF buffer
SMF74TME endTime Time when the record was moved into the SMF buffer
SMF74INT seconds Duration of the RMF measurement interval second
SMF74SID sid System identification (from the SID parameter)
SMF74XNM sysplex Sysplex name ( in the COUPLExx parmlib member)
SMF74SNM systemName System name (r in the IEASYSxx parmlib member)
R745DVOL volser Volume serial of device
R74CCMT storageArray Type and Model
R745DEVN devnum Device number
R745DSID ssid Subsystem ID
R74CCMT typeNum First element of storageArray
R74CCMT modelNum Second element of storageArray
R74CCMT manufacture Third element of storageArray
R74CCMT plant Fourth element of storageArray
R74CCMT seqNum Fifth element of storageArray
R745DVID tag Storage Tag + Device Address
R745SDEV cuDevnum CU Device number
R745SDID cuTag Storage Tag + CU Device ID
R7451XID xpid Extension Pool ID
R7452XTY xpType Extension Type + XFL
R745DRCR cacheRead Read Cache Request
R745DCRH cacheReadHit Read Cache HITS
R745DWRC cacheWrite Write Cache Request
R745DWCH cacheWriteHit Write Cache HITS
R745DICL cacheInhibit Inhibit Cache Load
R745DBCR cacheBypass Bypass Cache Request
R745DRSR seqRead Read Sequence Request
R745DRSH seqReadHit Read Sequence HITS
R745DWSR seqWrite Write Sequence Request
R745DWSH seqWriteHit Write Sequence HITS
R7452PRO phyRead Physical Read
R7452PWO phyWrite Physical Write
R7452PBR phyReadByte Physical Read Bytes
R7452PBW phyWriteByte Physical Write Bytes
R7452PRT phyReadRt Physical Read R.T.
R7452PWT phyWriteRt Physical Write R.T.
R7451CT1 byteRead Bytes read
R7451CT2 byteWrite Bytes write
R7451CT3 byteReadRt Read reponse time
R7451CT4 byteWriteRt Write response time
R745DRNR nretRead Read non-retentive
R745DNRH nretReadHit Read non-retentive HITS
R745DWNR nretWrite Write non-retentive
R745DWNH nretWriteHit Write non-retentive HITS
R745DTC xfrSeqDasd Sequence DASD to XFR
R745DNTD xfrNormDasd Normal DASD to XFR
R745DCTD xfrCacheDasd Cache DASD to XFR
R745DFWB fwBypass Fast Write Bypass
R745DFWC fwCache F.W. Cache Request
R745DFWS fwSeq F.W. Sequence Request
R745DCRM recCacheMiss Record Cache Miss
R745DCWP recCacheWrPro RCD Cache Write Pro
R7452RMR recModeRead Record Mode Read
R745DKDW ckdWrite CKD Write
R745DKDH ckdWriteHit CKD Write HITS
R745DFWR cfwBypass CFW Bypass
R7451RSV lowIntRt Lower Interference R.T.
R7451CT5 zhpfRead ZHPF Read I/O
R7451CT6 zhpfWrite ZHPF Write I/O
R7451XSF xrcRead XRC or CC Read
R7451XCW xrcWrite XRC or CC Contaminated writes
R7451TSP pprcTrack Number of tracks transferred to secondary Peer-to-Peer-Remote-Copy(PPRC) volume
actionId
cec_name
cec_type
cec_model
lpar_name