SMF 74-5 Cache Subsystem Device Activity

Updated on 28 Feb 2024
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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

What's Next

SMF 74-4 Structure Data

Table of contents

Introduction
Fields