RDF System Management Manual
Table Of Contents
- RDF System Management Manual
- What’s New in This Manual
- About This Manual
- 1 Introducing RDF
- RDF Subsystem Overview
- RDF Processes
- RDF Operations
- Reciprocal and Chain Replication
- Available Types of Replication to Multiple Backup Systems
- Triple Contingency
- Loopback Configuration (Single System)
- Online Product Initialization
- Online Database Synchronization
- Online Dumps
- Subvolume- and File-Level Replication
- Shared Access DDL Operations
- EMS Support
- SMF Support
- RTD Warning Thresholds
- Process-Lockstep Operation
- Support for Network Transactions
- RDF and NonStop SQL/MX
- Zero Lost Transactions (ZLT)
- Monitoring RDF Entities With ASAP
- 2 Preparing the RDF Environment
- 3 Installing and Configuring RDF
- 4 Operating and Monitoring RDF
- 5 Managing RDF
- Recovering From File System Errors
- Handling Disk Space Problems
- Responding to Operational Failures
- Stopping RDF
- Restarting RDF
- Carrying Out a Planned Switchover
- Takeover Operations
- Reading the Backup Database
- Access to Backup Databases in a Consistent State
- RDF and NonStop SQL/MP DDL Operations
- RDF and NonStop SQL/MX Operations
- Backing Up Image Trail Files
- Making Online Dumps With Updaters Running
- Doing FUP RELOAD Operations With Updaters Running
- Exception File Optimization
- Switching Disks on Updater UPDATEVOLUMES
- 6 Maintaining the Databases
- 7 Online Database Synchronization
- 8 Entering RDFCOM Commands
- 9 Entering RDFSCAN Commands
- 10 Triple Contingency
- 11 Subvolume- and File-Level Replication
- 12 Auxiliary Audit Trails
- 13 Network Transactions
- Configuration Changes
- RDF Network Control Files
- Normal RDF Processing Within a Network Environment
- RDF Takeovers Within a Network Environment
- Takeover Phase 1 – Local Undo
- Takeover Phase 2 – File Undo
- Takeover Phase 3 – Network Undo
- Takeover Phase 3 Performance
- Communication Failures During Phase 3 Takeover Processing
- Takeover Delays and Purger Restarts
- Takeover Restartability
- Takeover and File Recovery
- The Effects of Undoing Network Transactions
- Takeover and the RETAINCOUNT Value
- Network Configurations and Shared Access NonStop SQL/MP DDL Operations
- Network Validation and Considerations
- RDF Re-Initialization in a Network Environment
- RDF Networks and ABORT or STOP RDF Operations
- RDF Networks and Stop-Update-to-Time Operations
- Sample Configurations
- RDFCOM STATUS Display
- 14 Process-Lockstep Operation
- Starting a Lockstep Operation
- The DoLockstep Procedure
- The Lockstep Transaction
- RDF Lockstep File
- Multiple Concurrent Lockstep Operations
- The Lockstep Gateway Process
- Disabling Lockstep
- Reenabling Lockstep
- Lockstep Performance Ramifications
- Lockstep and Auxiliary Audit Trails
- Lockstep and Network Transactions
- Lockstep Operation Event Messages
- 15 NonStop SQL/MX and RDF
- Including and Excluding SQL/MX Objects
- Obtaining ANSI Object Names From Updater Event Messages
- Creating NonStop SQL/MX Primary and Backup Databases from Scratch
- Creating a NonStop SQL/MX Backup Database From an Existing Primary Database
- Online Database Synchronization With NonStop SQL/MX Objects
- Offline Synchronization for a Single Partition
- Online Synchronization for a Single Partition
- Correcting Incorrect NonStop SQL/MX Name Mapping
- Consideration for Creating Backup Tables
- Restoring to a Specific Location
- Comparing NonStop SQL/MX Tables
- 16 Zero Lost Transactions (ZLT)
- A RDF Command Summary
- B Additional Reference Information
- C Messages
- D Operational Limits
- E Using ASAP
- Index
Index
HP NonStop RDF System Management Manual—524388-003
Index-3
D
CPUS parameter 8-56, 8-59, 8-60, 8-62,
8-72, 8-78, 8-81, A-7, A-8
extractor process 3-26, 3-30
monitor process 3-30
receiver process 3-32, 3-33
CPUs, displaying 8-98
Crash on the Backup System 5-11
Crash on the Primary System 5-10
Create operation
error recovery 5-5
file system errors 5-5
RDF errors 5-5
D
Database operations, replicating 2-10
Database synchronization 3-4
File Utility Program (FUP) 3-8
OBEY command files 3-5
Databases
backing up altered structures 6-4
Enscribe file-label modifications 6-8
NonStop SQL/MP
backing up altered structures 6-4
catalog changes 6-5
DDL operations 6-5
partition key changes 6-8
synchronization 6-4
table purges 6-8
states 6-1
synchronizing
entire database 6-9, 6-10
individual tables or files 6-11
individual volumes 6-10
Databases, SQL/MX 15-1
Database, when to synchronize 8-101
DDL operations
NonStop SQL/MP 5-30, 6-5
non-shared access 5-30
not replicated by RDF 2-10
shared access 5-31
Default configuration parameters B-2
DEFER AUDITDUMP command, TMF
subsystem 3-14
DEFINEs
example for NonStop SQL/MP
tables 3-6
MAP NAMES incompatible with 3-7
NonStop SQL/MP object names 3-9
DELETE command 8-20, A-3
DELETE VOLUME example 8-19, 8-21,
8-22
DISABLE BEGINTRANS option, TMF 3-37
Disk file names A-18
Disk process RDF requirements 2-5
Disk volume
configuration 2-2
limit 2-2
mapping 2-2
DISPLAY command 9-4, A-16
Documentation related to RDF xix
DoLockstep procedure 14-2
DRAIN Operations 5-16
DRAIN parameter 8-100
DSM catalogs 2-8
E
EMS event log 1-11
messages logged in 1-11, 4-25
EMS event log, scanning 1-11, 4-25
EMS support 1-32
ENABLE BEGINTRANS option, TMF 3-37
Enscribe
databases
synchronizing 3-4
with OBEY command files 3-5
synchronizing with FUP 3-8
synchronizing with SQLCI
commands 3-5
file
label modifications 2-10
partitioned 2-11