---
title: "SMF 30-4 IO Step total"
slug: "smf-30-4-io-step-total"
updated: 2024-02-28T09:15:37Z
published: 2024-02-28T09:15:37Z
canonical: "docs.zetaly.io/smf-30-4-io-step-total"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://docs.zetaly.io/llms.txt
> Use this file to discover all available pages before exploring further.

# SMF 30-4 IO Step total

## Introduction

## Fields

Stored in ioData

| SMF Field | DB Column name | Description | Unit |
| --- | --- | --- | --- |
|  | recType |  |  |
| SMF30SID | sid | System identification |  |
| SMF30JNM | jobNumber | JES job identifier |  |
| SMF30STN | stepNumber | Step number |  |
| SMF30RSD/RST | jobRdrTime | Date/Time that the reader recognized the JOB card |  |
| SMF30STD | startTime | Date that the initiator selected this step |  |
| SMF30DTE | endTime | Date that the record was moved to the SMF buffer |  |
| SMF30SYS | sysplex | Largest amount of storage used from top of private area | kilobyte |
| SMF30SYN | systemName | System name |  |
| SMF30WID | execType | Work type indicator for the address space |  |
| SMF30JBN | jobName | Job or session name |  |
| SMF30EXN | pgmName | Program name |  |
| SMF30STN | stepName | Step number |  |
| SMF30GRP | racfGroup | RACF group ID |  |
| SMF30USR | racfUser | Programmer’s name |  |
| SMF30CLS | jobClass | Job class |  |
| SMF30DEV | devClass | Device class |  |
| SMF30UTP | unitType | Unit type |  |
| SMF30CUA | devnum | Device number |  |
| SMF30DDN | ddName | DD Name used to access the data set |  |
|  | ddNumber |  |  |
| SMF30BLK | totBlkCount | Count of blocks issued for the device against the data set |  |
| SMF30BSZ | maxBlkSize | Largest blocksize of the data set |  |
| SMF30TCN | totConnTime | Total device connect time for this address space | 128 microsecond |
| SMF30WLM | wlmName | Workload name |  |
| SMF30SCN | wlmClass | Service class name |  |
| SMF30GRN | wlmGroup | Resource group name |  |
| SMF30RCN | wlmReport | Report class name |  |
|  | actionId |  |  |