D Zero Downtime Migration Process Phases

The migration job process in Zero Downtime Migration runs in operational phases as a workflow.

Example D-1 Listing Zero Downtime Migration Process Phases

Run the ZDMCLI migrate database command with the -listphases option to list the operational phases for your migration job, as shown here.

zdmuser> $ZDM_HOME/bin/zdmcli migrate database -sourcedb zdmsdb 
-sourcenode ocicdb1 -srcauth zdmauth -srcarg1 user:opc 
-srcarg2 identity_file:/home/zdmuser/.ssh/zdm_service_host.ppk 
-srcarg3 sudo_location:/usr/bin/sudo -targetnode ocidb1 
-backupuser [e-mail] 
-rsp /u01/app/zdmhome/rhp/zdm/template/zdm_template_zdmsdb.rsp
-tgtauth zdmauth -tgtarg1 user:opc 
-tgtarg2 identity_file:/home/zdmuser/.ssh/zdm_service_host.ppk
-tgtarg3 sudo_location:/usr/bin/sudo -listphases

Table D-1 Zero Downtime Migration Process Phase Descriptions

Phase name	Description
ZDM_GET_SRC_INFO	Get information about the source database
ZDM_GET_TGT_INFO	Get information about the target database
ZDM_SETUP_SRC	Set up Zero Downtime Migration helper modules on the source server
ZDM_SETUP_TGT	Set up Zero Downtime Migration helper modules on the target server
ZDM_PREUSERACTIONS	Run migration pre-useractions, if any, at the source
ZDM_PREUSERACTIONS_TGT	Run migration pre-useractions, if any, at the target
ZDM_VALIDATE_SRC	Perform validations at the source
ZDM_VALIDATE_TGT	Perform validations at the target
ZDM_OBC_INST_SRC	Install Oracle Database Cloud Backup Module at the source
ZDM_OBC_INST_TGT	Install Oracle Database Cloud Backup Module at the target
ZDM_BACKUP_FULL_SRC	Perform full backup of the source database
ZDM_BACKUP_INCREMENTAL_SRC	Perform incremental backup of the source database
ZDM_DISCOVER_SRC	Perform database discovery at the source for setting up Data Guard
ZDM_COPYFILES	Copy Oracle password file and TDE wallets from source to target
ZDM_SETUP_TDE_TGT	Copy TDE wallet files from the source to the target keystore location
ZDM_OSS_RESTORE_TGT	Perform full database restore
ZDM_BACKUP_DIFFERENTIAL_SRC	Perform differential backup of the source database
ZDM_OSS_RECOVER_TGT	Peform incremental restore, recovery database, and opens database with reset logs
ZDM_PREPARE_TGT	Prepare target for Data Guard standby creation
ZDM_CLONE_TGT	Create Data Guard standby from the Cloud backup
ZDM_FINALIZE_TGT	Finalize Data Guard standby preparation of the target
ZDM_CONFIGURE_DG_SRC	Register the Cloud standby with the source
ZDM_SWITCHOVER_SRC	Initiate switchover actions at the source
ZDM_SWITCHOVER_TGT	Complete switchover actions at the target
ZDM_POST_DATABASE_OPEN_TGT	Perform activities after database is opened, such as restore pluggable database state, DBA directories, RMAN configuration
ZDM_DATAPATCH_TGT	Runs datapatch at the target
ZDM_SHUTDOWN_SRC	Shuts down source database at the end of the migration
ZDM_POSTUSERACTIONS	Perform any post-migration useractions at the source
ZDM_POSTUSERACTIONS_TGT	Perform any post-migration useractions at the target
ZDM_CLEANUP_SRC	Perform clean up at the source
ZDM_CLEANUP_TGT	Perform clean up at the target