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

If a state transition failure occurs during execution of a STOP UPDATE command and the operation
appears to be stalled, manually stop all of the RDF updaters by issuing the following command on
the backup system:
STATUS *, PROG RDF-software-loc.RDFUPDO, STOP
CAUTION: Issuing this command in this situation is only safe, however, if this is the backup system
for a single RDF environment.
Problems Involving TMF
TMF Audited Volume Failure
RDF can recover from a failure of a TMF audited volume on the primary or backup system. If the
volume is successfully recovered by volume recovery, then you do not have to perform any special
RDF procedures.
TMF Subsystem Failure on the Primary System
RDF can recover from a TMF failure on the primary system if the TMF volume recovery operation
is successful after the failure. To perform this recovery:
1. Stop RDF on the primary system by entering the following command through RDFCOM:
]STOP RDF
2. Restart TMF by entering the following command sequence through TMFCOM:
~DISABLE DATAVOLS *
~START TMF
Notice that these commands prevent any disk volumes on the local system from being enabled
for TMF operations before starting the subsystem.
3. Reenable all pertinent disk volumes for TMF operations by entering the following command
through TMFCOM:
~ENABLE DATAVOLS *
When this command is executed, TMF performs its volume recovery operation on the audited
volumes, and RDF reads the audit during this operation.
4. Restart RDF through RDFCOM by entering:
]START RDF
NOTE: Normally you start RDF before starting your applications. If the TMF subsystem has
crashed on the primary system, however, characteristics of the TMF audit trail after the TMF
subsystem is restarted require that you restart your applications before restarting RDF. This
allows audit records to be generated in the MAT and any auxiliary audit trails involved in
your RDF environment. At that point you restart RDF.
If you started RDF before starting your applications, you might notice that the auxiliary extractor
continues to read the same data over and over again without moving forward. To correct that
situation, you merely stop and then restart the RDF subsystem.
5. Restart your applications.
TMF Subsystem Failure on the Backup System
RDF can recover from a TMF failure on the backup system if the TMF volume recovery operation
is successful after the failure. To perform this recovery:
1. From the primary system, stop updating of the backup database by entering this command
through RDFCOM:
]STOP UPDATE
2. Correct the problem on the backup system and recover the volume.
118 Critical Operations, Special Situations, and Error Conditions