- Notes, cautions, and warnings
- About this document
- Introduction to SnapVX
- Getting started with SnapVX
- SnapVX configuration
- TimeFinder SnapVX configuration layers
- Editing the EMCSNAPO macro
- EMCSNAPO site options
- ACTIVATE_SUBTASK#
- ALLOW_FBA_META
- ALLOW_LIGHTNING_DEVICE
- ALLOWZDP
- AUTOACTIVATE
- AUTOCREATE
- AUTOUNLINK
- BACKGRND
- CACHESYM
- CHECKBCV
- CHKONLIN
- CHKSNSZ
- CONDVOL
- CONSIST
- COPYVOL
- DEBUG_ERROR
- DEBUG_SDUMP
- DISPCUU
- EMUL_TYPE
- FREEUNLK
- GROUP_DSNAME
- MESSAGE
- REFVTOC
- REPLACE
- RESTORE_CREATE
- SECURE
- SECURE_QUERY
- SHOWDEF
- SNAPSHOT_LIST
- SNAPSHOT_NAME
- SOFTLINK
- SOFTRESTORE
- SRDFAR1
- SRDFSR1
- SRDFA_RETRY
- SRPPERCT
- SRPMSGLVL
- TERM_ALL
- TIMEOUT
- VARYOFF
- VARYON
- VCLOSE
- UNLNKAFT
- WFDEF
- SnapVX operations
- SnapVX command reference
- SnapVX commands
- SnapVX common parameters
- ACTIVATE_SUBTASK#
- ALLOW_FBA_META
- ALLOW_LIGHTNING_DEVICE
- AUTO_CREATE
- AUTOMATIC_ACTivate
- AUTO_UNLink
- BACKGROUNDCOPY
- CACHE_FULL_SYM
- CcUU
- CHECKBCVHoldstatus
- CHECKONLINEpathstatus
- CHECK_SNAPSHOT_SIZE
- COMPACT_query
- CONDitionVOLume
- CONSISTENT
- COPYVolid
- DEBUG
- DEVice
- DISPLAY_CUU
- EMUL_TYPE
- EXPIration
- FREE
- GROUP
- GROUP_DATaset_name
- LIST
- LOCAL
- MAXRC
- MESsages
- MODE
- MULTI_LINE_query
- NAME
- NEWVOLID
- POSTSNAP
- PRESNAP
- R1_TARGET_POST_WAIT
- R1_TARGET_PRE_WAIT
- READY
- REFVTOC
- RELEASE
- REMOTE
- REPLace
- REStore_create
- REStore_CREate_NAME
- SCFGroup
- SECure
- SECURE_Query
- SHOW_Tracks_to_be_defined
- SNAPSHOT_LIST
- SOFTlink
- SOFTRestore
- SOUrce
- SRDFA_CONSISTENT_RETRY
- SRDFA_R1_target
- SRDFS_R1_target
- SRP_PERCENT
- TaRGet
- TERMinate_ALL
- TIMEOUT
- TYPRUN
- UNLINK_After_copy
- VARY_OFFline
- VARY_ONline
- VCLOSE
- VOLume
- UNIT
- WAIT_FOR_Definition
- ZDP
- ACTIVATE
- CONFIG
- CREATE
- FREE
- GLOBAL
- LINK
- QUERY FREE
- QUERY GLOBAL
- QUERY SNAPSHOT
- RENAME
- TERMINATE
- UNLINK
- SnapVX common parameters
- Grouping commands
- SnapVX commands
- Migration to SnapVX
- Introduction to zDP
- zDP features and concepts
- zDP Definition Utility
- Overview
- Running zDP Definition Utility
- Summary of operations
- Command reference
- Common parameters
- ALLOW_LARGER_TARGET
- ALLOWNonEmpty
- CCUU | SYMDEV | RDFGroup | SCFG
- CONSistent
- COPY_ONCE
- COPY_ONCE({INCLUDE|ONLY})
- CYCLE_OVERFLOW
- CYCLE_TIME
- Date and WTOR
- DEBUG
- DYNAMIC_CHANGE
- EXPiration
- EXPortDEF
- FREE
- LOG_OPT
- MAX_RC
- MAX_RUNTIME_RC
- MAX_SNAPSETS
- MAX_TGT
- MAX_VDG
- MODE
- NORUN
- NOSORT
- PERSISTENT_COPY_LIMIT
- READY
- RDP_CACHE_UTIL%
- RMT
- SAVE
- SAVED_SNAPSETS
- SIMulate_TERMinate
- SMF
- SNAPSET
- SRP_SNAP%
- SRP_TERM%
- SRP_WARN%
- STOP_FREE
- SYMCTL
- TERMinate_POLICY
- TGT
- TIMEOUT
- VDG
- WAIT_FOR_Definition
- WTOR_TERMinate
- DEFINE TGT
- DEFINE VDG
- DELETE TGT
- DELETE VDG
- DELEXP
- EXPORT
- GLOBAL
- IMPORT
- LINK VDG
- LISTEXP
- MODIFY TGT ADD|REMOVE
- MODIFY TGT READY
- MODIFY VDG ADD|REMOVE
- MODIFY VDG OPTIONS
- PERSISTENT
- QUERY FREE
- QUERY GLOBAL
- QUERY TGT
- QUERY VDG
- RESTORE VDG
- SECURE VDG
- STOP_FREE TGT
- TERMINATE VDG
- UNLINK TGT
- UNLINK VDG
- Common parameters
- zDP ISPF interface
- Introduction
- Logging in to zDP
- Logging out of zDP
- Accessing zDP ISPF tools
- Setting session options and GLOBAL parameters
- Accessing zDP ISPF help
- Monitoring and managing VDGs
- Managing VDG members
- Managing exported VDG definitions
- Managing target sets
- Managing target set members
- Managing exported target set definitions
- Managing snapsets
- zDP SMF records
Mainframe Enablers TimeFinder SnapVX and zDP 8.5 Product Guide
Versioned data group (VDG)
A logical group that associates volumes along with settings for creating multiple point-in-time images.
A VDG can have up to 1024 snapsets associated with it, on condition that all source devices in the VDG reside on storage systems running PowerMaxOS 5978.0300 and later. For lower levels of the operating environment, the maximum number of snapsets is 256.
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