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-8
Q
OBEY command files 3-5
Primary system
backing up files 2-7
configuration 2-1
preparing for RDF installation 3-1
processes 1-15
RDF requirements 2-1
Primary System Crash 5-10
Primary system crash, stopping the backup
system before restarting the primary
system 5-13
PRIMARYSWAP parameter 8-67
PRIMARYSYSTEM network attribute 13-4
PRIORITY 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
Process file names A-18
Process identifiers A-18
PROCESS 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
receiver process 3-32, 3-33
Processes, RDF 1-14
Processor failures 5-8
Program files, backup system 3-9
Program files, NonStop SQL/MP 3-3
prompt 4-1
Purge operations 2-11
Purger process 1-25
Q
Question mark wildcard character 9-14
R
RDF
messages C-2
RDF and NonStop SQL/MX
Operations 5-32
RDF subsystem 1-28, 1-29
auxiliary audit trails 12-1
configuration command file 3-36
configuration file 3-21
configuring 3-21
default configuration parameters B-2
documentation related to xix
EMS support 1-32
errors
create operation 5-5
modify operation 5-2
open operation 5-2
exception records 1-11
extractor process 2-6, 2-7
features 1-7
file-level replication 11-1
finding status of 8-93, A-13
image file 1-12
initializing 3-15
installation 3-9
introduction to 1-1
licensed programs 3-11
log device for messages C-2
log file 1-11, 9-1
log file example C-2
managing 4-1
messages C-2
messages, scanning 1-11, 1-12, 4-25
network transactions 13-1
NonStop process pairs 1-15
operating 4-1
operations 1-15
parameters
BACKUPSWAP 8-67
BACKUPSYSTEM 8-40
CPUS 8-56, 8-59, 8-60, 8-62, 8-64,
8-72
, 8-74, 8-78, 8-81, A-7, A-8
EXTENTS 8-64, 8-74
extractor process 3-30
image trail 3-26