# Update your source database by adding after-imaging extents
#
prostrct add production_db add.st

# truncate the database BI file and mark as backed up
#
proutil production_db -C truncate bi 
rfutil production_db -C mark backedup

# Activate after-imaging
#
rfutil production_db -C aimage begin 

# Make a copy of the database using operating system commands
#
cp production_db* /db_standby

# Mark the source database as backed up
#
rfutil production_db -C mark backedup

# Fix the target database file specifications and make new database st file.
# 
prostrct repair /db_standby/production_db /db_standby/standby.st
prostrct list /db_standby/production_db /db_standby/production_db.st

# At this point allow updates to the source database
#
# Roll forward the first AI extent from production_db to standby copy
#
rfutil /db_standby/production_db -C roll forward -a production_db.a1

# Continue allowing updates and regularly roll forward the AI extents from
# the production_db to the standby copy.