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-6
M
$0 C-2
LOGDEVICE parameter 8-67
LOGFILE parameter 8-67
M
Managing the RDF subsystem 4-1
Mapping, SQL/MX Name 15-14
Mapping, volume-to-volume 2-2
Master audit trail, calculating amount of
data 2-3
Master image trail 1-19
MATCH command 9-14, A-17
Match pattern for log messages 9-10, 9-14,
9-17, A-17
Messages
displaying HELP text for 4-12
file system errors C-2
in log file 4-24
logged in log file 1-11
RDF C-2
RDFCOM C-73
RDFSCAN C-143
scanning in EMS event log 1-11, 4-25
scanning in log file 1-12
mixed-release 2-5
Mixed-release installation 2-5
Modify operation
error recovery 5-2
file system errors 5-2
RDF errors 5-2
Monitor process 1-16
configuration 8-60, 8-62, 8-72, 8-78,
A-8
object code file 3-9
parameters 3-30, B-4
adding to configuration file 8-9, A-2
altering 8-14
displaying configuration
values 8-31, A-5
displaying option values 8-85, A-12
INFO MONITOR example 8-36
resetting option values 8-53, A-6
SET MONITOR example 8-61,
8-63, 8-73
setting option values 8-60, 8-62,
8-72, 8-78, A-8
Multiple backup systems, replication
to 1-28
N
Name Mapping, SQL/MX 15-14
NETWORK attribute 13-2
Network transactions 1-33, 13-1
NETWORKMASTER attribute 13-3
NOLOG command 9-12, 9-16, A-17
Nondisk device names A-18
NonStop process pairs, RDF 1-15
NonStop SQL/MP
audited volume requirement 3-3
databases
backing up altered structures 6-4
catalog changes 6-5
DDL operations 6-5
example of synchronizing 3-5, 3-7
partition key changes 6-8
purging 6-10
synchronization 6-4
synchronizing 3-4
synchronizing with OBEY command
files 3-5
table purges 6-8
DDL operations
non-shared access 5-30
shared access 5-31
DEFINEs, object names 3-9
objects on backup system 3-3
program files, recompilation 3-9
report definitions on backup system 3-4
synchronizing databases 3-4
tables