Mainframe Enablers TimeFinder SnapVX and zDP 8.5 Product Guide

Enables or disables zDP SMF recording for a VDG.

The SMF parameter can be specified on the MODIFY VDG OPTIONS command. When this parameter is not specified, no SMF recording is performed (default).

This setting can be altered dynamically using the ZDP,MODIFY,SMF command of SCF, as described in the ResourcePak Base for z/OS Product Guide.

Syntax

SMF({[Yes,]smf_id[,VOLume(INITIAL)][,TRACKS({Yes|No})]|No})

Options

SMF(Yes|No)

Enables (Yes) or disables (No, default) SMF recording.

NOTE:When YES is specified, smf_id is required. YES is optional when smf_id is specified.

smf_id

Specifies an SMF record ID. Valid values are 128 through 255.

VOLume(INITIAL)

Includes VDG devices on the startup record (CCUU and PowerMax or VMAX device numbers).

TRACKS({Yes|No})

Determines whether to include (Yes) or not (No, default) the total counts of changed and unique tracks for devices in each VDG storage system.