RDF System Management Manual for J-series and H-series RVUs (RDF 1.10)

Reading Log Messages.....................................................................................................109
Examining RDF Messages............................................................................................109
ASAP..................................................................................................................................112
5 Critical Operations, Special Situations, and Error Conditions........................113
Recovering From File System Errors..........................................................................................113
Handling Disk Space Problems...............................................................................................116
Exceeding the Maximum Number of Concurrent File Opens.......................................................116
Responding to Operational Failures........................................................................................117
Communication Line Failures.............................................................................................118
System Failures................................................................................................................118
Processor Failures............................................................................................................119
Extractor Failure..........................................................................................................119
Receiver Failure...........................................................................................................119
Updater Failure...........................................................................................................119
Purger Failure.............................................................................................................120
RDFNET Failure...........................................................................................................120
RDF State Transition Failure...........................................................................................120
Problems Involving TMF....................................................................................................120
TMF Audited Volume Failure.........................................................................................120
TMF Subsystem Failure on the Primary System.................................................................120
TMF Subsystem Failure on the Backup System..................................................................121
Volume Recovery Processing....................................................................................121
Volume Recovery Failure..........................................................................................121
File Recovery on the Primary System...................................................................................121
File Recovery on the Backup System....................................................................................122
TMFCOM ABORT TRANSACTION With AVOIDHANGING Option on Primary System.............123
Audit Trails Pinned by RDF on the Primary System.................................................................123
Stopping RDF.......................................................................................................................124
Stopping RDF by Stopping TMF.........................................................................................124
Stopping RDF From the Primary System...............................................................................125
Stopping RDF From the Backup System................................................................................126
Stopping RDF Using STOP RDF, DRAIN...............................................................................127
Stopping RDF using STOP RDF, REVERSE Operation.............................................................127
Restarting RDF......................................................................................................................127
Carrying Out a Planned Switchover........................................................................................127
Standard Configurations...................................................................................................128
Using STOP RDF, REVERSE and the REVERSE Trigger............................................................128
Reciprocal Configurations and Switchover...........................................................................129
Takeover Operations.............................................................................................................130
The RDF Takeover Operation.............................................................................................130
Phase One Undo Pass..................................................................................................131
Phase Two Undo Pass..................................................................................................131
Phase Three Undo Pass................................................................................................131
Issuing the TAKEOVER Command......................................................................................131
Issuing the TAKEOVER Command in an Obey File................................................................133
Monitoring Takeover Outcome...........................................................................................133
Takeover Failure...............................................................................................................134
Monitor Considerations................................................................................................134
Updater Considerations...............................................................................................134
Takeover and Triple Contingency.......................................................................................134
Checking Exception Files for Uncommitted Transactions.........................................................134
How to Plan for the Fastest Movement of Business Operations to Your Backup System After
Takeover.........................................................................................................................135
Restoring the Primary System.............................................................................................139
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