RDF System Management Manual for J-series and H-series RVUs (RDF Update 13)

Using RDFCOM Non-interactively (without an IN File).............................................................91
Using RDFCOM From a Command File (IN file).....................................................................91
Using Scripts for Easy and Fast RDF Initialization and Configuration..........................................92
Managing Multiple RDF Environments from One RDFCOM Session..........................................93
Controlling Multiple RDF Environments Running on Different Nodes with a Single Obey File........94
Using RDFCOM Commands................................................................................................94
Requesting Online Help......................................................................................................97
Running RDFSCAN.................................................................................................................98
Command Syntax for Starting an RDFSCAN Session...............................................................98
Using RDFSCAN................................................................................................................98
Using RDFSCAN Commands...............................................................................................99
Requesting Online Help....................................................................................................100
Performing Routine Operational Tasks......................................................................................101
Displaying Current Operating Statistics and Configuration Information....................................101
Changing Configuration Attributes.....................................................................................105
Reading Log Messages.....................................................................................................107
ASAP..................................................................................................................................109
5 Critical Operations, Special Situations, and Error Conditions........................110
Recovering From File System Errors..........................................................................................110
Handling Disk Space Problems...............................................................................................113
Exceeding the UPDATERFOPENTHRESHOLD Value....................................................................114
Exceeding the Maximum Number of Concurrent File Opens.......................................................114
Responding to Operational Failures........................................................................................115
Communication Line Failures.............................................................................................115
System Failures................................................................................................................116
Processor Failures............................................................................................................116
Problems Involving TMF....................................................................................................118
File Recovery on the Primary System...................................................................................119
File Recovery on the Backup System....................................................................................119
TMFCOM ABORT TRANSACTION With AVOIDHANGING Option on Primary System.............120
Audit Trails Pinned by RDF on the Primary System.................................................................120
Stopping RDF.......................................................................................................................121
Stopping RDF by Stopping TMF.........................................................................................122
Stopping RDF From the Primary System...............................................................................123
Stopping RDF From the Backup System................................................................................124
Stopping RDF Using STOP RDF, DRAIN...............................................................................124
Stopping RDF using STOP RDF, REVERSE Operation.............................................................125
Restarting RDF......................................................................................................................125
RDF Transactions..................................................................................................................125
Carrying Out a Planned Switchover........................................................................................125
Standard Configurations...................................................................................................126
Using STOP RDF, REVERSE and the REVERSE Trigger............................................................126
Reciprocal Configurations and Switchover...........................................................................127
Takeover Operations.............................................................................................................128
The RDF Takeover Operation.............................................................................................128
Issuing the TAKEOVER Command......................................................................................129
Issuing the TAKEOVER Command in an Obey File................................................................131
Monitoring Takeover Outcome...........................................................................................131
Takeover Failure...............................................................................................................132
Takeover and Triple Contingency.......................................................................................132
Checking Exception Files for Uncommitted Transactions.........................................................132
How to Plan for the Fastest Movement of Business Operations to Your Backup System After
Takeover.........................................................................................................................133
Restoring the Primary System.............................................................................................137
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