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-12
T
not replicated by RDF 2-10
SQL/MX and RDF 15-1
SQL/MX LOCATION option 15-17
SQL/MX Name Mapping 15-14
SQL/MX offline synchronization for a single
partition 15-12
SQL/MX tables, comparing 15-19
SQL/MX tables, restoring 15-17
START RDF command 3-37, 8-90, A-13
START TMF command, TMFCOM 3-37
START TRANSACTION command,
TMFCOM 3-8, 3-14
START UPDATE command 3-38, 8-92,
A-13
Starting
the RDF subsystem 3-37
the TMF subsystem 3-37
STATUS RDF command 4-19, 8-93, A-13
STOP RDF command 8-100, A-14
STOP RDF, DRAIN Operations 5-16
STOP SYNCH command 8-104, A-14
STOP UPDATE command 5-28, 8-105,
A-14
Stopping RDF
from backup system 8-101
from primary system 8-101
Stopping the backup system after a primary
system crash 5-13
Stopping the RDF subsystem
by stopping the TMF subsystem 5-14
from backup system 5-17
from primary system 5-15
methods of 5-13
TAKEOVER command 5-21
stop-update-to-time 5-28, 8-105, C-64
Subvolume names 8-6
Subvolume replication 1-32, 11-1
SUFFIX parameter 8-40
Superpaths, Expand 12-4
Switching Disks on Updater
UPDATEVOLUMES 5-36
Switchovers, planned 5-18
Synchronization, online 7-1, 15-8
Synchronizing an individual file or partition
online 7-14, 15-14
Synchronizing an individual volume
online 7-13
Synchronizing databases 3-4, 8-101
File Utility Program (FUP) 3-8
OBEY command files 3-5
Synchronizing entire databases online 7-2
Synchronizing partitioned files 3-8
Synchronizing selected database portions
online 7-12
Syntax
RDFCOM commands 8-1, A-1
Syntax, RDFCOM command 4-2
SYSGEN parameters 2-9
T
Tables, NonStop SQL/MP
backup system 3-3
partition key changes 6-8
partitioned 2-9
placement of partitions 2-11
preparing for RDF protection 3-2
purges 6-8
TACL macros
backup system 3-4
RDFINST for RDF installation 3-9
TAKEOVER command 8-108, A-14
audited volumes on backup system 3-3
stopping the RDF subsystem 5-21
Takeover operations, ZLT 16-9
Tasks, RDF subsystem 1-12
Temporary disk files 2-11
TIMESTAMP parameter 8-40, 8-105
Timestamp, STOP UPDATE
command 5-28
TMF subsystem
audit trail rollover 2-6
configuration file
altering 3-14