---
title: "SMF 75 RMF Page Data Set Activity"
slug: "smf-75-rmf-page-data-set-activity"
updated: 2024-02-29T08:29:21Z
published: 2024-02-29T08:29:21Z
canonical: "docs.zetaly.io/smf-75-rmf-page-data-set-activity"
---

> ## 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 75 RMF Page Data Set Activity

## Introduction

## Fields

Stored in pageData

| SMF Field | DB Column name | Description | Unit |
| --- | --- | --- | --- |
|  | recordType | Value is always ME75 |  |
| SMF75SID | sid | System identification (from the SID parameter) |  |
| SMF75TME SMF75DTE | endTime | Datetime when the record was moved into the SMF buffer |  |
| SMF75MFV | rmfVersion | RMF version number |  |
| SMF75PRD | productName | Product name ('RMF') |  |
| SMF75IST SMF75DAT | startTime | Datetime when the RMF measurement interval started |  |
| SMF75INT | seconds | Duration of the RMF measurement interval | second |
| SMF75SAM | rmfSamples | Number of RMF samples |  |
| SMF75MVS | mvsLevel | MVS software level (ZVvvrrmm) |  |
| SMF75SYN | syncVal | SYNC value | second |
| SMF75XNM | sysplex | Sysplex name (in the COUPLExx parmlib member) |  |
| SMF75SNM | systemName | Sytem name (r in the IEASYSxx parmlib member) |  |
| SMF75DSN | pageName | Page data set name |  |
| SMF75PST | pageType | Page space type Bit Meaning When Set 1. PLPA 2. COMMON 3. Reserved 4. LOCAL 5. Reserved 6. Data set unusable 7. Data set brought online during interval 8. Data set taken offline during interval |  |
| SMF75VOL | pageVol | Volume serial number |  |
| SMF75BDS | unusableSlots | Number of unusable slots |  |
| SMF75USE | asmSamples | Number of samples indicating data set was being used by ASM |  |
| SMF75REQ | reqSamples | The value is the same as SMF75USE |  |
| SMF75SIO | ioRequest | Number of I/O requests for the data set |  |
| SMF75PGX | pageTransfer | Number of pages transferred to or from page data set |  |
| SMF75LVU | usedSlots | Average number of slots used. Same as SMF75AVU, but long floating point format |  |