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Manage the OpenEdge Database

Recover from system failures

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Table of Contents
  • Database Basics
    • Create and Delete Databases
      • Ways to create an OpenEdge database
      • Database creation and large file support
      • Create a database with PROSTRCT CREATE
        • Create a structure description file
          • Extent pathnames and naming conventions
          • Rules for creating storage areas and extents
          • Extent length
          • Example structure description file
          • Example structure description file for large files
        • Create a database structure extent
          • Add schema to a void database
      • Create a database with the PRODB utility
      • PRODB maintains pathname convention
      • Create a database with a Data tool
      • Convert an OpenEdge Release 12 Database to OpenEdge Release 13
        • Prepare to convert replication-enabled databases from OpenEdge 12 to OpenEdge 13
        • Convert replication-enabled databases from OpenEdge 12 to OpenEdge 13 without target rebase
      • Convert an OpenEdge Release 11 Database to OpenEdge Release 12
      • Use the Schema Mover
      • Convert an OpenEdge Release 10 database to OpenEdge Release 12
      • Database conversion utilities
      • Copy a database
        • Copy a database using PROCOPY
          • PROCOPY uses absolute pathnames
      • Delete a database
    • OpenEdge RDBMS Limits
      • Database block sizes
      • Maximum number of records per block
      • Number and size of storage areas
        • Recovery sizes
      • Table and index limits
      • Number and size of sequences
      • Maximum size of the primary recovery (BI) area
      • Maximum database size
      • Number of connections per database
      • Number of simultaneous transactions per database
      • OpenEdge database name limits
      • File Handles
      • Shared memory
      • Data types and values
      • Collation and character set information
    • Start Up and Shut Down
      • Unified Broker Framework
        • OpenEdge Management
        • OpenEdge Explorer
        • Manage database configurations
        • Use the DBMAN command-line utility
      • Start a server or broker
        • Specify international character sets
          • Specify the operating character set
          • Specify the character set name of the database log file
        • Network addressing using -S and -H
        • Start multiple brokers using the same protocol
        • Access a server behind a firewall
        • Start database brokers for TLS connections
      • Check the database state
      • Threaded Database Server Functionality Delivered on Windows NT64 and Linux64 Platforms
        • Initiate a Threaded Server Process
        • Monitor Threaded Servers and Remote Connections
      • Start and stop background writers and before-image manager
        • Start and stop an APW
        • Start and stop a BIW
        • Start and stop an AIW
        • Start and stop a BIM
      • Stop a server or broker
        • PROSHUT command
        • PROMON shut down database option
  • Protecting Your Data
    • Backup Strategies
      • Identify files for backup
      • Determine the type of backup
        • Full backups
        • Incremental backups
        • Online backups
        • Offline backups
        • Backups with compression
      • Choose backup media
      • Create a backup schedule
        • Database integrity
        • Database size
        • Time
        • Unscheduled backups
    • Back Up a Database
      • Use PROBKUP
        • Perform an online full backup with PROBKUP
          • UNIX full backup example
          • Backup Counter Increment limits using the PROBKUP Utility with Type I storage areas
        • Test backups
        • Archive backups
      • Perform an offline backup
      • Perform an online backup
        • Improve performance of an online backup
      • Use database quiet points
      • Back up with compression
      • Run a multi-threaded backup
      • Perform an operating system backup
      • Database backup examples
        • Incremental backup example
        • Full backup example
      • Verify a backup
      • CRC codes and redundancy in backup recovery
        • CRC codes
        • Error-correction blocks
      • Restore a database
        • Use the PROREST utility to restore a database
        • Important rules for restoring backups
        • Obtain storage area descriptions using PROREST
        • Obtain backup file descriptions using PROREST -describe utility
        • Run a multi-threaded restore
        • Database restore examples
          • Full backup restore example
          • Incremental backup restore example
    • Recover a Database
      • Introduction to recovery mechanisms
        • Crash recovery
        • Roll-forward recovery
        • Two-phase commit
      • File locations that ensure safe recovery
      • Develop a recovery plan
        • Time needed for recovery
        • Recovery guidelines
      • Sample recovery plans
        • Example 1: Low availability requirements
        • Example 2: Moderate availability requirements
        • Example 3: Moderate-to-high availability requirements
        • Example 4: high availability requirements
        • Sample recovery scenarios
      • After-imaging and roll-forward recovery commands
      • Recover from system failures
        • System crash while running RFUTIL ROLL FORWARD
        • System crash while running other utilities
        • System crash while backing up the database
        • System crash while database is up
      • Recovering from media failures
        • Loss of the DB files, BI files, or both
        • Loss of the AI file
        • Loss of database backup
        • Loss of transaction log file
      • Recover from a full disk
        • After-image area disk
        • Control or primary recovery area disk
          • BI file not on full disk
          • BI file on the full disk
        • Transaction log file disk
      • Truncate the BI file
      • Release shared memory
      • Recover from a lost or damaged control area
      • Unlock damaged databases
      • Dump tables from a damaged database
      • Force access to a damaged database
    • After-imaging
      • After-image areas and extents
        • Fixed-length extents
        • Variable-length extents
      • Estimate after-imaging disk space requirements
      • Create after-image areas
        • Add AI areas to an existing database
      • Enable after-imaging offline
        • Enable encrypted after-imaging offline for an encryption-enabled database
        • Enable unencrypted after-imaging offline for an encryption-enabled database
      • Enable after-imaging online
        • Enable encrypted after-imaging online for an encryption-enabled database
        • Enable unencrypted after-imaging online for an encryption-enabled database
      • After-image file summary
        • Show an after-image file summary
      • Manage after-imaging files
        • Monitor AI file status
        • Switch to a new AI file
          • Switch to the next extent in the sequence
        • Archive an AI file
          • Schedule backups
          • Perform the backup
          • Protect the backup
          • Extract AI blocks
        • Make an AI file available for reuse
      • AI File Management utility
        • Automatic extent archiving
          • Timed mode archiving process without OpenEdge Replication
          • Timed mode archiving process with OpenEdge Replication
          • On-demand archiving process without OpenEdge Replication
          • On-demand archiving process with OpenEdge Replication
        • Enable your database for automated AI file management
          • Enable an offline database for automated AI file management
          • Enable an online database for automated AI file management
          • Enable an online database for automated AI file management during backup
          • Additional info for enabling automated AI file management
        • Monitor and adjust automated AI file management
        • Restart the AI file management utility daemon
        • Archived extents
        • Archive log file
          • Version indicator record
          • Archive record
          • Backup record
        • Database recovery with an archival log
      • Add and reorder AI extents
      • Perform roll-forward recovery
        • Roll forward with the OPLOCK qualifier
          • Treatment of operations while under protection
        • Roll forward multiple files
          • Apply after-images files from a list
        • Perform roll-forward recovery on encryption-enabled databases
          • Roll-forward recovery with fewer than 100 rekey operations
          • Roll-forward recovery with more than 100 rekey operations
          • Roll-forward recovery when the source database is enabled for HSM
      • After-image sequences
        • Sequence not required
        • Sequence required
      • Disable after-imaging
        • Disable encryption of AI files when disabling after-imaging
    • Maintain Security
      • Establish an OpenEdge user ID and password
        • OpenEdge user IDs
        • OpenEdge passwords
        • Validate an OpenEdge user ID and password
      • Establish authentication for your OpenEdge database
        • Tables used from ABL only
        • Tables used from SQL only
        • Tables used from both ABL and SQL
      • Add HSM as a second layer of TDE authentication
        • Overview of HSM security
          • HSM architectural overview
          • How an HSM increases security
          • Coordinate HSM administration tasks
        • Set up HSM security for TDE enabled databases
          • Check for TDE encryption
          • Get HSM connection information
          • Verify HSM token access
          • Back up the database and keystore file
          • Enable HSM support for a TDE enabled database
          • Ensure that replication or hot standby target can access HSM
          • Validate the HSM configuration for interactions
        • Maintain HSM security for TDE enabled databases
          • Troubleshoot HSM connections and configuration
          • Rebind a keystore secured with HSM authentication
          • Reconstruct a keystore secured with HSM
        • Disable HSM authentication for TDE-enabled databases
      • Connection security
        • Designate valid users in the _User table accounts
        • Designate a security administrator
          • Enter user IDs for security administrators
        • Delete a user from the _User table accounts
        • Change a password for database users
      • Run a user report
      • Schema security
        • Freeze and unfreeze schema
      • Operating systems and database security
    • Auditing
      • Auditable events
        • Audit events
        • Security events
        • Schema events
        • Data events
        • Administration events
        • Utility events
        • User events
        • Application events
      • Auditing states
      • Enable and disable auditing
        • Enable auditing
        • Re-enable auditing from a deactivated state
        • Disable auditing
      • Auditing tables
        • Indexes on auditing tables
      • Archive audit data
        • Audit archive process
          • Basic archive process
          • Archive process with seal verification
      • Reconfigure audit areas
        • Split one audit area into separate data and index areas
        • Combine audit data and index areas into one area
        • Move existing audit data and indexes to new areas
        • Purge data in existing audit data areas
      • Auditing impact on database resources
      • Auditing impact on database utilities
        • Identify the privileged user
          • _User table
          • Local operating system login
          • Specify encoded passwords
      • Utility modifications
        • Protected tables
        • Protected areas
        • Enhanced utilities
        • Expanded PROUTIL syntax
    • Transparent Data Encryption
      • Overview
        • Before you start
        • What is encryptable
        • Data considerations
        • Database keystore
          • Configure keystore access
        • OpenEdge supported ciphers
      • Enable encryption
        • Add an encryption policy area
        • Run ENABLEENCRYPTION
        • Enable BI file encryption after enabling encryption
        • Enable AI file encryption after enabling encryption
        • Verify enablements
      • Online TDE DB policy management
        • Encryption DB policy states
        • Encryption DB policy work flow
        • Enable TDE DB policy management
        • Disable TDE DB policy management
        • Change the database master key
          • Change the database master key and activate it later
          • Change the encryption DB policy cipher
        • View and scan the encryption DB policy
        • Retire an encryption DB policy
      • Create encryption policies
        • Create encryption policies with PROUTIL EPOLICY
        • Create encryption policies with Data Admin
      • Encrypt your existing data
        • EPOLICY MANAGE UPDATE EXAMPLE
        • All new data is encrypted
      • Run with Transparent Data Encryption enabled
        • Manual start
        • Autostart
          • Change autostart configuration
          • Disable autostart
          • Temporary files
          • Refresh autostart
        • Restricted utility access
        • Database backups
        • Move tables and indexes
        • Binary dump and load of data
        • Audit Transparent Data Encryption
        • Replication support
      • Maintain Transparent Data Encryption
        • Rekey encryption policies with Data Admin
        • Rekey encryption policies with PROUTIL EPOLICY
          • Change the cipher of an encryption policy
        • View encryption policy history in Data Admin
      • Disable encryption
      • OpenEdge SQL support for Transparent Data Encryption
    • Transport Layer Security
      • Set Up OpenEdge Replication for TLS
        • Configure source and target databases with shared keys and certificates on the same host
        • Configure source and target with the same TLS data but different hosts
        • Configure source and target for TLS with different keys and certificates on different hosts
      • Log TLS messages during OpenEdge Replication
      • Monitor TLS for OpenEdge Replication
      • Troubleshoot TLS issues for OpenEdge Replication
    • Replicate Data
      • Replication schemes
        • Trigger-based replication
        • Log-based site replication
        • Asynchronous replication
      • Database ownership models
        • Distribution model
        • Consolidation model
          • Peer-to-peer model
      • Implement log-based site replication
        • Log-based replication procedure
    • Distributed Transaction Processing
      • Distributed transactions
      • Two-phase commit with ABL clients
        • How the database engine implements two-phase commit
        • Two-phase commit and roll-forward recovery
        • Enable two-phase commit
        • Modify the database nickname and priority
        • Transaction log area
        • Deactivate two-phase commit
        • Limbo transactions with two-phase commit
        • Resolve limbo transactions
        • Resolve limbo transactions with PROUTIL
        • Resolve limbo transaction scenarios
          • Scenario 1: You are on a client machine and the server fails
          • Scenario 2: You are starting up PROUTIL and have a power failure
          • Scenario 3: You are on a client machine and it fails
        • Two-phase commit case study
      • Java Transaction API (JTA) support
        • JTA resource impact
        • JTA processing impact
        • Enable JTA support
        • Disable JTA support
        • JTA transactions and OpenEdge Replication
        • Monitor JTA transactions
        • Resolve JTA transactions
    • Dynamic data masking in OpenEdge database
      • Overview of dynamic data masking in OpenEdge database
      • Access control to support OpenEdge dynamic data masking
      • Database utilities for administering dynamic data masking
      • Dynamic data masking and OpenEdge backward compatibility
  • Maintaining and Monitoring Your Database
    • Restrict database access
      • View restricted mode status
      • Change from one restricted mode to another
      • Troubleshoot restricted mode status
    • Manage Performance
      • Introduction to performance management
      • Tools for monitoring performance
        • PROMON utility
        • Virtual system tables
      • Server performance factors
        • CPU usage
        • Disk I/O
        • Database I/O
          • Storage areas
          • Database buffers
          • How the database engine writes modified buffers
          • Monitor database buffer activity
          • Tune database buffers
          • Use private read-only buffers
          • Use APWs to improve performance
          • Monitor APWs
          • Monitor user I/O
          • LRU Concurrency
        • Before-image I/O
          • Monitor BI activity
          • Manage before-image file growth
          • Move the BI file
          • Use a before-image writer
          • Provide more BI buffers
          • Increase the BI cluster size
          • Increase the number of BI clusters
          • Increase the BI block size
          • Delay BI writes
          • Set a BI threshold
          • Enable threshold stall
          • Use PROQUIET to adjust the BI threshold
        • After-image I/O
          • Monitor AI activity
          • Use an after-image writer
          • Increase the AI block size
        • Direct I/O
      • Memory usage
        • Process address space overview
        • Control memory use
        • Shared memory allocation
        • Shared memory and kernel configuration
        • Monitor memory use
        • Shared memory summary
      • Alternate Buffer Pool
        • Overview
        • Designate objects to the Alternate Buffer Pool
          • Specify areas for the Alternate Buffer Pool
          • Specify objects for the Alternate Buffer Pool
          • Data definition files
        • View Alternate Buffer Pool selections
          • View Alternate Buffer Pool settings with the Data Dictionary
          • View Alternate Buffer Pool settings with PROUTIL
        • Allocate Alternate Buffer Pool
      • Operating system resources
        • Processes
          • Identify unresponsive sessions
        • Semaphores
          • Allocate semaphores
        • Spin locks
        • File descriptors
      • Network Communication
        • Prefetch tuning
          • Enabling prefetch delay
          • Specifying number of records prefetched
          • Specifying the percent of a network buffer used for prefetch records
          • Calculating prefetch buffer utilization
          • Prefetch priority
        • Message wait
      • Read-only connections
      • Database fragmentation
        • Analyze database fragmentation
        • Eliminate database fragmentation
        • Manage fragmentation
      • Index use
        • Analyze index use
        • Compact indexes
        • Index utilities
        • Rebuild indexes
          • Overcome SRT size limitations
          • Maximize index rebuild performance
          • Reactivate unique indexes
        • Activate a single index
        • Database Client Notification
      • Change Database Client Notification poll time
      • Change database parameters while the database is running
      • Virtual system tables
    • Maintain Database Structure
      • OpenEdge Structure utility
      • OpenEdge Structure Statistics utility
      • OpenEdge Structure List utility
      • OpenEdge Structure Add utility
        • PROSTRCT ADD and pathnames
        • Add extents to existing storage areas
      • OpenEdge Structure Add Online utility
      • Extend variable-length database extents
      • Area numbers
        • Area number assignment
        • Trim unused area memory
        • Error checking
          • Server startup
          • Add areas online
      • Validate structure description files
      • OpenEdge Structure Remove utility
      • OpenEdge Structure Remove Online utility
      • Truncate data storage areas
      • Remove data storage areas
        • Remove data storage from replicated databases
      • Return data storage space to the operating system
      • Maintain indexes and tables
        • Set default storage areas for creating database objects
        • Show default storage areas for creating database objects
        • Move tables
        • Truncate tables
        • Specify target areas when moving table data
        • Change non-structural fields of _File and _Field online
        • Change Int to Int64 online
        • Move indexes
        • Compact indexes
          • Troubleshoot index compaction
        • Repair indexes
          • Troubleshoot record and index fragmentation
      • Perform chain analysis online
        • Important considerations when performing chain analysis online
      • Perform chain analysis offline
      • Run concurrent diagnostic utilities on a stopped database
      • Use virtual system tables
    • Multi-tenant database
      • Multi-tenant database introduction
      • Multi-tenant database architecture
        • Simple tenancy
        • Multi-tenant groups
        • Multi-tenant features
      • Enable multi-tenancy
      • Creating multi-tenant elements
        • Database administration tools
          • Database Administration Console
            • Data Administration
            • ABL
          • Data Dictionary
          • Data Administration
        • ABL
        • OpenEdge SQL
      • Tenant Data Recovery
        • Restrictions
        • Step 1: Restore your database backup
        • Step 1A: Restrict access to your temporary database
        • Step 2: Roll forward after-image files
        • Step 3: Move data with PROUTIL DATAMOVE
          • Move one table with the DATAMOVE command line
          • Move one sequence with the DATAMOVE command line
        • Move multiple tables and sequences with the DATAMOVE user interface
          • Move table data by tenant
          • Move Sequence values by tenant
          • Move table data by group
          • Set records per transaction
        • Step 4: Tenant data recovery clean up
          • Remove access restriction from your source database
          • Delete source database
      • Database utilities
        • Unchanged utilities
        • Indirectly changed utilities
        • Multi-tenant aware utilities
        • Multi-tenant index rebuild
        • Control the usage of multi-tenant database resources using multi-tenant governors
        • Show syntax help for database utilities
    • Table-partitioned database
      • Table partitioning details
      • Table partition types
      • Table partitioning restrictions
      • Indexes for table partitions
      • Partition your database
      • Manage partitions
        • Split partitions
        • Merge partitions
        • Truncate partitions
        • Rename partitions
        • Alter partition state
        • View partitions
        • Copy partition data
          • Restrictions on copying a partition
          • Step 1: Restoring your database backup
          • Step 1A: Restrict access to your temporary database
          • Step 2: Rolling forward after-image files
          • Step 3: Moving data with PROUTIL PARTITIONMANAGE COPY
            • Copy one partition with the PARTITIONMANAGE COPY command line
            • Copy multiple partitions with the PARTITIONMANAGE COPY user interface
          • Step 4: Partition copy clean up
            • Remove access restriction from your source database
            • Clear partition copy pending state
      • Partition-level database administration
        • Partition-scoped utilities
        • Table-partitioned index rebuild
    • Change Data Capture
      • Change Data Capture highlights
      • CDC and other RDBMS features
      • Enable CDC
      • Deactivate CDC feature on a database without a CDC license
      • Use the CDC cache
    • Diagnostic Data Collection
      • Events
        • Specifying an event
        • Event Levels
      • Data Files
      • Protrace data
      • C stack print option (-cstackPrintopt)
      • DiagProc file
      • Diagnostic data startup parameters
      • Diagnostic data collection in PROMON
        • Diagnostic Data Collection menu
      • Diagnostic data output file formats
        • Diagnostic tracking file
        • Diagnostic BI threshold files
        • Lock table overflow files
        • Syserror event files
    • Dumping and Loading
      • Overview of dumping and loading
        • Dump and load limitations
      • Dump ABL database definitions
        • Dumping ABL database or table definitions
          • Batch dump ABL data definitions
        • Definition file format
        • Multi-tenant keywords
        • Creating an incremental ABL data definitions file
        • Dumping sequence definitions
        • Dumping auto-connect records
      • Dump Change Data Capture policies
      • Load Change Data Capture policies
      • Dump database contents
        • Dump table contents with PROUTIL
          • Results of a binary dump with PROUTIL
          • Format of a binary dump file
        • Dump selective contents with PROUTIL
        • Dump data from corrupted records with PROUTIL
        • Dump table contents with a Data tool
        • Contents file format
        • Dump sequence values with a Data tool
        • Dump user table contents with a Data tool
        • Dump an SQL view file's contents with a Data tool
      • Load database definitions
        • Load updated ABL data definitions
          • Batch Load updated ABL data definitions
        • Load database contents
          • Load table contents in binary format with PROUTIL
            • Recover from an aborted binary load
          • Load table contents with a Data tool
          • Load user table contents with a Data tool
          • Load an SQL view file contents
          • Load sequence values using a Data tool
        • Bulk loading
          • Create a Bulk Loader description file
          • Modify a Bulk Loader description file
          • Load table contents with the Bulk Loader qualifier
        • Reconstruct bad load records
        • Specialized dump and load techniques
          • Create a starting version of a database
          • Use a constant table in multiple databases
          • Economize disk space
          • Optimize data for sequential access
          • Optimize data for random access
          • Use no-integrity mode bulk data loading
          • Save disk space by deactivating indexes
            • Deactivate indexes from Data Administration
            • Deactivate indexes from the Data Dictionary
            • Deactivate indexes from an ABL procedure
    • Logged Data
      • OpenEdge database log file
      • Database log file customization
      • Manage log file size
      • Log file archive and truncate
        • Log file truncate and archive startup parameters
        • PROMON Database Log file management
        • _DbParams VST
        • Archiving
        • Truncated and archived files
      • Save key database events
        • Define key events
        • Save key events
        • Enable save key events
        • Disable save key events
        • Stored key events
        • _KeyEvt table
          • _KeyEvt table creation
          • _KeyEvt schema
          • _KeyEvt table maintenance
      • Event logging in Windows
        • Manage OpenEdge RDBMS events in Windows
        • Understand the event log components
        • The Event Log and the registry
      • Client database-request statement caching
      • Find connected brokers and servers
  • Reference
    • Startup and Shutdown Commands
      • Startup command syntax
      • Database startup and shutdown commands
      • PROAIW command
      • PROAPW command
      • PROBIM command
      • PROBIW command
      • PROQUIET command
      • PROSERVE command
      • PROSHUT command
      • PROWDOG command
    • Database Startup Parameters
      • Issue startup parameters
        • Generate parameter files
      • Database server performance parameters
      • Database server-type parameters
      • Database server internationalization parameters
      • Database server statistics parameters
      • Database server consistency check parameters
      • Database server TLS connection parameters
      • Database server network parameters
      • Startup parameter usage categories
      • Alphabetical listing of database startup parameters
        • AdminServer Port (-adminport)
        • After-image File Management Archive Directory List (-aiarcdir)
        • After-image File Management Archive Directory Create (-aiarcdircreate)
        • After-image File Management Archive Interval (-aiarcinterval)
        • After-image Buffers (-aibufs)
        • After-image Stall (-aistall)
        • Area consistency check (-AreaCheck)
        • Blocks in Database Buffers (-B)
        • Blocks in Alternate Buffer Pool (-B2)
        • Base Index (-baseindex)
        • Base LOB (-baselob)
        • Base Table (-basetable)
        • Base user index (-baseuserindex)
        • Base user LOB (-baseuserlob)
        • Base user table (-baseusertable)
        • Before-image Buffers (-bibufs)
        • Before-image scan time (-biscantime)
        • Threshold Stall (-bistall)
        • Recovery Log Threshold (-bithold)
        • Maximum Private Buffers per Connection (-Bpmax)
        • Schema Cache File (-cache)
        • CDC cache size (-cdcsize)
        • SQL Server Java Classpath (-classpath)
        • Client Database-Request Statement Cache Allocation Factor (-clstmtCacheAllocationFactor)
        • Client Database-Request Statement Caching Directory (-clstmtCacheDir)
        • Client Database-Request Statement Caching Level (-clstmtCacheLevel)
        • Client Database-Request Statement Cache Size (-clstmtCacheSize)
        • Client Database-Request Statement Caching User Type (-clstmtCacheType)
        • Conversion Map (-convmap)
        • Case Table (-cpcase)
        • Collation Table (-cpcoll)
        • Internal Code Page (-cpinternal)
          • Conversion Map (-convmap)
        • Log File Code Page (-cplog)
        • Print Code Page (-cpprint)
        • R-code in Code Page (-cprcodein)
        • Stream Code Page (-cpstream)
        • Terminal Code Page (-cpterm)
        • Crash Recovery Status (-crStatus)
        • Crash Recovery Transaction Display (-crTXDisplay)
        • C stack print option (-cstackPrintopt)
        • Database consistency check (-DbCheck)
        • Database Notification Operations (-dbnotifyops)
        • Database Notification Time (-dbnotifytime)
        • Diagnostic directory (-diagDir)
        • Diagnostic events value (-diagEvent)
        • Diagnostic event level (-diagEvtLevel)
        • Diagnostic data format (-diagFormat)
        • Diagnostic field separator (-diagFS)
        • Diagnostic frequency (-diagFrequency)
        • Diagnostic pause length (-diagPause)
        • Diagnostic prefix value (-diagPrefix)
        • Diagnostic process (-diagProc)
        • Top diagnostic event triggers (-diagTopN)
        • Direct I/O (-directio)
        • Encryption cache size (-ecsize)
        • Enforce Mm (-enforceMm)
        • Event Level (-evtlevel)
        • Before-image Truncate Interval (-G)
        • Group Delay (-groupdelay)
        • Host Name (-H)
        • Host Name Aliasing (-hostnameAliasing)
        • Hash Table Entries (-hash)
        • No Crash Protection (-i)
        • Index consistency check (-IndexCheck)
        • Index Range Size (-indexrangesize)
        • Internet Protocol (-ipver)
        • Key Alias (-keyalias)
        • Key Alias Password (-keyaliaspasswd)
        • Lock Table Entries (-L)
        • Lock Governor (-LGovernor)
        • Log file archive enable (-lgArchiveEnable)
        • Log file archive directory (-lgArchiveDir)
        • Log file truncate frequency (-lgTruncateFrequency)
        • Log file truncate size (-lgTruncateSize)
        • Log file truncate time (-lgTruncateTime)
        • Limit log file payload (-limitLgPayload)
        • Lock Table Hash Size (-lkhash)
        • Lock release (-lkrela)
        • LOB range (-lobrangesize)
        • LRU force skips (-lruskips)
        • LRU alternate buffer pool force skips (-lru2skips)
        • Auto Server (-m1)
        • Secondary Login Broker (-m3)
        • Maximum area number (-maxAreas)
        • Maximum Clients per Server (-Ma)
        • Maximum Dynamic Server (-maxport)
        • Maximum JTA Transactions (-maxxids)
        • Memory consistency check (-MemCheck)
        • Delayed BI File Write (-Mf)
        • Minimum Clients per Server (-Mi)
        • Minimum Dynamic Server (-minport)
        • Message Buffer Size (-Mm)
        • Maximum Servers (-Mn)
        • Servers per Protocol (-Mp)
        • Maximum Servers Per Broker (-Mpb)
        • Multi-tenancy Partition Cache Size (-mtpmsize)
        • User MUX Latches (-mux)
        • Shared-memory Overflow Size (-Mxs)
        • Network Type (-N)
        • Number of Users (-n)
        • Nap Time (-nap)
        • Nap Maximum (-napmax)
        • Nap Time Steps (-napstep)
        • Login Governor (-nGovernor)
        • Message Wait (-Nmsgwait)
        • TLS No Host Verify (-nohostverify)
        • No Session Cache (-nosessioncache)
        • No Session Reuse (-nosessionreuse)
        • Number of checkpoint statistics (-numCheckpointStats)
        • Omit Log Messages (-omitLgMsgs)
        • Storage Object Cache Size (-omsize)
        • Prompt for Passphrase (-Passphrase)
        • Pending Connection Time (-PendConnTime)
        • Parameter File (-pf)
        • Database Service Communication Area Size (-pica)
        • Database PICA Queue Nap Time (-picanap)
        • Prompt for Pin (-Pin)
        • Pin Shared Memory (-pinshm)
        • Prefetch delay (-prefetchDelay)
        • Prefetch factor (-prefetchFactor)
        • Prefetch Num Recs (-prefetchNumRecs)
        • Prefetch Priority (-prefetchPriority)
        • Configuration Properties File (-properties)
        • Buffered I/O (-r)
        • Record free chain search depth factor (-recspacesearchdepth)
        • Service Name (-S)
        • Schema Lock Wait Queue(-schlockwq)
        • Security cache size (-secsize)
        • Semaphore Sets (-semsets)
        • Server Group (-servergroup)
        • Type of Server to Start (-ServerType)
        • Session Timeout (-sessiontimeout)
        • Shared memory segment size (-shmsegsize)
        • Spin Lock Retries (-spin)
        • Autonomous Update Statistics (-SQLAutoStats)
        • SQL Open Cursors (-SQLCursors)
        • Lock Wait Timeout (-SQLLockWaitTimeout)
        • SQL rowid identifier(-SQLQuotedRowid)
        • SQL Stack Size (-SQLStack)
        • SQL Statement Cache Size (-SQLStmtCache)
        • SQL Sorting Memory (-SQLTempBuff)
        • SQL Sorting on Disk (-SQLTempDisk)
        • SQL Temp Table Data Page (-SQLTempPageSize)
        • Authorized Data Truncation(-SQLTruncateTooLarge)
        • Autonomous Schema Update (-SQLWidthUpdate)
        • Server-side join (-ssj)
        • TLS Encryption for TCP/IP Connections (-ssl)
        • STS logging level (-stslogginglevel)
        • Temporary Directory (-T)
        • Table consistency check (-TableCheck)
        • Table Range Size (-tablerangesize)
        • Threaded Server (-threadedServer)
        • Threaded Server Stack (-threadedServerStack)
        • Transaction End (TXE) Lock Retry Limit (-TXERetryLimit)
        • Transaction End (TXE) Lock Skip Limit (-TXESkipLimit)
        • User index range (-userindexrangesize)
        • User LOB range (-userlobrangesize)
        • User Table Range (-usertablerangesize)
        • Database Client Notification (-usernotifytime)
        • Century Year Offset (-yy)
    • PROMON Utility
      • PROMON utility
      • PROMON User Control option
      • PROMON Locking and Waiting statistics option
      • PROMON Block Access option
      • PROMON Record Locking Table option
      • PROMON Activity option
      • PROMON Shared Resources option
      • PROMON Database Status option
      • PROMON Shut Down Database option
      • PROMON Currently Connected Tenants option
      • PROMON R&D Advanced Options
      • R&D Status Displays
        • Database
        • Backup
        • Servers
        • Processes/Clients
        • Files
        • Lock Table
        • Buffer Cache
        • Logging Summary
        • BI Log
        • AI Log
        • Two-phase Commit
        • Startup Parameters
        • Shared Resources
        • Shared Memory Segments
        • AI Extents
        • Database Service Manager
        • Servers by broker
        • Client Database-Request Statement Cache
          • Activate database-request statement caching for selected users
          • Activate database-request statement caching for all users
          • Activate database-request statement caching for all users by user type
          • Activate database-request statement caching for all future users
          • Activate database-request statement caching for all future users by user type
          • Deactivate database-request statement caching for selected users
          • View database-request statement caching
          • Specify a directory for database-request statement caching files
          • Specify the size of the database-request statement cache
        • Schema Locks & Wait Queue
        • Broker Startup Parameters
      • R&D Activity Displays
        • Summary
        • Servers
        • Buffer Cache
        • Page Writers
        • BI Log
        • AI Log
        • Lock Table
        • I/O Operations By Type
        • I/O Operations by File
        • Space Allocation
        • Index
        • Record
        • Other
      • R&D Other Displays
        • Performance Indicators
        • I/O Operations by Process
        • Lock Requests by User
        • Checkpoints
        • I/O Operations by User by Table
        • I/O Operations by User by Index
        • LOB I/O operations in PROMON
        • Total Locks per User
      • R&D Administrative Functions
        • Check Active Transaction Status
        • Check Two-Phase Transactions
        • Resolve Limbo Transactions
        • Adjust Latch Options
        • Adjust Page Writer Options
        • Restricted Options
        • Server Options
        • Enable/disable block level consistency check
        • Shutdown Database
        • Disconnect a tenant's users
        • Adjust Governor options
        • Caches
        • Diagnostic Data Collection
        • Adjust Startup Parameters
        • Modify database startup parameters online using PROMON
        • Generate parameter file
      • R&D Adjust Monitor Options
      • Advanced R&D
      • PROMON 2PC Transactions Control option
      • PROMON Resolve 2PC Limbo Transactions option
      • PROMON 2PC Coordinator Information option
      • PROMON Resolve JTA Transactions option
      • PROMON Modify Defaults option
    • PROUTIL Utility
      • PROUTIL utility syntax
      • PROUTIL 2PHASE BEGIN qualifier
      • PROUTIL 2PHASE COMMIT qualifier
      • PROUTIL 2PHASE END qualifier
      • PROUTIL 2PHASE MODIFY qualifier
      • PROUTIL 2PHASE RECOVER qualifier
      • PROUTIL ACTIVATECDC qualifier
      • PROUTIL ACTIVATEDDM qualifier
      • PROUTIL AUDITARCHIVE qualifier
      • PROUTIL AUDITLOAD qualifier
      • PROUTIL AUDITRECONFIG qualifier
      • PROUTIL BIGROW qualifier
      • PROUTIL BULKLOAD qualifier
      • PROUTIL BUSY qualifier
      • PROUTIL CHANALYS qualifier
      • PROUTIL CODEPAGE-COMPILER qualifier
      • PROUTIL CONV1112 qualifier
      • PROUTIL CONV1112 REPLSOURCE qualifier
      • PROUTIL CONV1112 REPLTARGET qualifier
      • PROUTIL CONV1213 qualifier
      • PROUTIL CONV1213 REPLSOURCE qualifier
      • PROUTIL CONV1213 REPLTARGET qualifier
      • PROUTIL CONVCHAR qualifier
      • PROUTIL CONVFILE qualifier
      • PROUTIL DATAMOVE qualifier
      • PROUTIL DBANALYS qualifier
        • Database analysis output
          • Output file format
      • PROUTIL DBAUTHKEY qualifier
      • PROUTIL DBIPCS qualifier
      • PROUTIL DBRESTRICT qualifier
      • PROUTIL DEACTIVATECDC qualifier
      • PROUTIL DEACTIVATEDDM qualifier
      • PROUTIL DEALLOCATE qualifier
      • PROUTIL DESCRIBE qualifier
      • PROUTIL DISABLEAUDITING qualifier
      • PROUTIL DISABLEAUTHGATEWAY qualifier
      • PROUTIL DISABLEB2 qualifier
      • PROUTIL DISABLECDC qualifier
      • PROUTIL DISABLEDDM qualifier
      • PROUTIL DISABLEENCRYPTION qualifier
      • PROUTIL DISABLEJTA qualifier
      • PROUTIL DISABLEKEYEVENTS qualifier
      • PROUTIL DISABLEMULTITENANCY qualifier
      • PROUTIL DISABLEREADONLYPARTITIONS qualifier
      • PROUTIL DISABLETABLEPARTITIONING qualifier
      • PROUTIL DISABLETDEDBPOLICYMANAGEMENT qualifier
      • PROUTIL DISPOBJECTDEFAULTAREA qualifier
      • PROUTIL DISPTOSSCREATELIMITS qualifier
      • PROUTIL DUMP qualifier
      • PROUTIL DUMPSPECIFIED qualifier
      • PROUTIL ENABLEAUDITING qualifier
      • PROUTIL ENABLEAUTHGATEWAY qualifier
      • PROUTIL ENABLEB2 qualifier
      • PROUTIL ENABLECDC qualifier
      • PROUTIL ENABLEDDM qualifier
      • PROUTIL ENABLEENCRYPTION qualifier
      • PROUTIL ENABLEJTA qualifier
      • PROUTIL ENABLEKEYEVENTS qualifier
      • PROUTIL ENABLELARGEKEYS qualifier
      • PROUTIL ENABLEMULTITENANCY qualifier
      • PROUTIL ENABLEREADONLYPARTITIONS qualifier
      • PROUTIL ENABLESTOREDPROC qualifier
      • PROUTIL ENABLETABLEPARTITIONING qualifier
      • PROUTIL ENABLETDEDBPOLICYMANAGEMENT qualifier
      • PROUTIL EPOLICY INFO qualifier
      • PROUTIL EPOLICY MANAGE qualifier
      • PROUTIL EPOLICY SCAN qualifier
      • PROUTIL EPOLICY VIEW qualifier
      • PROUTIL HOLDER qualifier
      • PROUTIL HSMVALIDATE qualifier
      • PROUTIL IDXACTIVATE qualifier
      • PROUTIL IDXANALYS qualifier
      • PROUTIL IDXBLOCKREPORT qualifier
      • PROUTIL IDXBUILD qualifier
      • PROUTIL IDXCHECK qualifier
      • PROUTIL IDXCOMPACT qualifier
      • PROUTIL IDXDEACTIVATE
      • PROUTIL IDXFIX qualifier
      • PROUTIL IDXMOVE qualifier
      • PROUTIL INCREASETO qualifier
      • PROUTIL IOSTATS qualifier
      • PROUTIL LOAD qualifier
      • PROUTIL LOBANALYS qualifier
      • PROUTIL MTIDXBUILD qualifier
      • PROUTIL MVSCH qualifier
      • PROUTIL PARTITIONMANAGE ALTER qualifier
      • PROUTIL PARTITIONMANAGE COPY qualifier
      • PROUTIL PARTITIONMANAGE MERGE qualifier
      • PROUTIL PARTITIONMANAGE RENAME qualifier
      • PROUTIL PARTITIONMANAGE SPLIT qualifier
      • PROUTIL PARTITIONMANAGE TRUNCATE qualifier
      • PROUTIL PARTITIONMANAGE VIEW qualifier
      • PROUTIL PROBE qualifier
      • PROUTIL RCODEKEY qualifier
      • PROUTIL SETAREACREATELIMIT qualifier
      • PROUTIL SETAREATOSSLIMIT qualifier
      • PROUTIL SETLOBCREATELIMIT qualifier
      • PROUTIL SETLOBTOSSLIMIT qualifier
      • PROUTIL SETOBJECTDEFAULTAREA qualifier
      • PROUTIL SETTABLECREATELIMIT qualifier
      • PROUTIL SETTABLETOSSLIMIT qualifier
      • PROUTIL TABANALYS qualifier
      • PROUTIL TABLEMOVE qualifier
      • PROUTIL TABLEREORG qualifier
      • PROUTIL TPIDXBUILD qualifier
      • PROUTIL TRUNCATE AREA qualifier
      • PROUTIL TRUNCATE BI qualifier
      • PROUTIL UPDATESCHEMA qualifier
      • PROUTIL UPDATEVST qualifier
      • PROUTIL VIEWB2 qualifier
      • PROUTIL WBREAK-COMPILER qualifier
      • PROUTIL WORD-RULES qualifier
      • PROUTIL ZEROSTATS qualifier
    • PROSTRCT Utility
      • PROSTRCT utility
      • PROSTRCT ADD qualifier
      • PROSTRCT ADDONLINE qualifier
      • PROSTRCT BUILDDB qualifier
      • PROSTRCT CLUSTER CLEAR qualifier
      • PROSTRCT CREATE qualifier
      • PROSTRCT LIST qualifier
      • PROSTRCT REMOVE qualifier
      • PROSTRCT REMOVEONLINE qualifier
      • PROSTRCT REORDER AI qualifier
      • PROSTRCT REPAIR qualifier
      • PROSTRCT STATISTICS qualifier
      • PROSTRCT UNLOCK qualifier
    • RFUTIL Utility
      • RFUTIL utility syntax
      • RFUTIL AIARCHIVER DISABLE qualifier
      • RFUTIL AIARCHIVER ENABLE qualifier
      • RFUTIL AIARCHIVER END qualifier
      • RFUTIL AIARCHIVER SETDIR qualifier
      • RFUTIL AIARCHIVER SETINTERVAL qualifier
      • RFUTIL AIARCHIVE EXTENT qualifier
      • RFUTIL AIARCHIVE NEXTEXTENT qualifier
      • RFUTIL AIMAGE AIOFF qualifier
      • RFUTIL AIMAGE BEGIN qualifier
      • RFUTIL AIMAGE END qualifier
      • RFUTIL AIMAGE EXTENT EMPTY qualifier
      • RFUTIL AIMAGE EXTENT FULL qualifier
      • RFUTIL AIMAGE EXTENT LIST qualifier
      • RFUTIL AIMAGE EXTRACT qualifier
      • RFUTIL AIMAGE NEW qualifier
      • RFUTIL AIMAGE QUERY qualifier
      • RFUTIL AIMAGE SCAN qualifier
      • RFUTIL AIMAGE SUMMARY qualifier
      • RFUTIL AIMAGE TRUNCATE qualifier
      • RFUTIL AIVERIFY PARTIAL qualifier
      • RFUTIL AIVERIFY FULL qualifier
      • RFUTIL MARK BACKEDUP qualifier
      • RFUTIL ROLL FORWARD qualifier
      • RFUTIL ROLL FORWARD OPLOCK qualifier
      • RFUTIL ROLL FORWARD RETRY qualifier
      • RFUTIL ROLL OPUNLOCK qualifier
      • RFUTIL SEQUENCE qualifier
    • Other Database Administration Utilities
      • Parameters for authentication
      • DBMAN utility
      • DBPOLICYUTIL utility
      • DBTOOL utility
        • Running DBTOOL
      • DSRUTIL utility
      • mergeprop utility
        • Java API
      • PROADSV utility
      • PROBKUP utility
      • PROCLUSTER utility
      • PROCOPY utility
      • PRODB utility
      • PRODEL utility
      • PROLOG utility
      • PROREST utility
    • SQL Utilities
      • SQLDUMP utility
      • SQLLOAD utility
      • SQLSCHEMA utility
    • Virtual System Tables
      • Update access to virtual system tables
      • Accessing VSTs with ABL or SQL
      • Modifiable VSTs on Replication Targets
      • VSTs for LOB Activity
      • Virtual system table summaries
        • After-image log activity (_ActAILog)
        • Before-image log activity (_ActBILog)
        • Buffer activity (_ActBuffer)
        • Index activity (_ActIndex)
        • Input/output activity (_ActIOFile)
        • Input/output type activity (_ActIOType)
        • Lock table activity (_ActLock)
        • Other activity (_ActOther)
        • Private buffer activity (_ActPrivBuffer)
        • Page writer activity (_ActPWs)
        • Record activity (_ActRecord)
        • Server activity (_ActServer)
        • Space allocation activity (_ActSpace)
        • Summary activity (_ActSummary)
        • Area status (_AreaStatus)
        • Area threshold (_AreaThreshold)
        • Block (_Block)
        • Buffer status (_BuffStatus)
        • Cache (_Cache)
        • Checkpoint (_Checkpoint)
        • Code Features (_Code-Feature)
        • Database connection (_Connect)
        • Database features (_Database-Feature)
        • Database startup parameters file status (_DbParams)
        • Database status (_DbStatus)
        • Database file status (_Filelist)
        • Index statistics (_IndexStat)
        • Latch statistics (_Latch)
        • License management (_License)
        • LOB activity (_LOBStat)
        • Lock table status (_Lock)
        • Lock request (_LockReq)
        • Logging (_Logging)
        • Master block (_MstrBlk)
          • Master block flags for troubleshooting damaged databases
        • User connection (_MyConnection)
        • Resource queue statistics (_Resrc)
        • Segments (_Segments)
        • Servers (_Servers)
        • SQL query plan (_SQL_Qplan)
        • Table statistics (_TableStat)
        • Transaction (_Trans)
        • Transaction end lock statistics (_TxeLock)
        • User index activity (_UserIndexStat)
        • Database input/output (_UserIO)
        • User LOB activity (_UserLOBStat)
        • Record locking table (_UserLock)
        • User status (_UserStatus)
        • User table activity (_UserTableStat)
Table of Contents

Recover from system failures

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  • Last Updated: February 11, 2026
  • 1 minute read
    • OpenEdge
    • Version 13.0
    • Documentation

Before-imaging is automatically enabled to let you recover from a system failure. If the system fails, the technique for recovering the database depends on the database operation you were performing when the system crashed. The following topics provide specific information.

Contents
  • System crash while running RFUTIL ROLL FORWARD
  • System crash while running other utilities
  • System crash while backing up the database
  • System crash while database is up
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