- 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
COPY_ONCE
Sets the copy-once attribute for devices that are included with the MODIFY VDG,ADD command. If the device does not exist in the VDG, it is added with the COPY_ONCE attribute. If it exists, it is replaced with the COPY_ONCE attribute.
COPY_ONCE cannot be used with MODIFY VDG,REMOVE.
COPY_ONCE cannot be used with SCFG(gnsgrp).
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