Progress
Database Administration
Guide and Reference


After-imaging and Roll-forward Recovery Commands

Table 8–5 lists the utilities you use to perform the steps in the scenarios shown in Figure 8–3 through Figure 8–7. These utilities are described in detail in Database Administration Utilities."

Table 8–5: Utilities Used With Roll-forward Recovery 
Function
Utility Command
Verify that the database is not in use. The database cannot be in use when you perform a full offline backup.
PROUTIL BUSY
Back up the database. You must perform a full backup of the database before you can use roll-forward recovery.
PROBKUP or operating system utility
Mark the database as backed up. If you do not use PROBKUP to back up the database, you must mark the database as backed up to begin after-imaging or start a new after-image file.
RFUTIL MARK BACKEDUP
Start a new AI file. After you back up the database and AI files, you can truncate the existing AI file.
RFUTIL AIMAGE NEW
Disable after-imaging. Before you run a batch job, you might want to disable after-imaging to improve performance.
RFUTIL AIMAGE END
Restart the roll-forward operation. Use of this qualifier is limited to RFUTIL roll-forward operations that fail because of power outages or system failures.
RFUTIL ROLL FORWARD RETRY


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