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

The STOP RDF, REVERSE command is a special purpose function designed for a fast switchover
operation. See the related discussion in “Critical Operations, Special Situations, and Error
Conditions” (page 113).
RDF must be running in the Normal state (with Update On) to issue a STOP RDF, DRAIN or STOP
RDF, REVERSE command. In addition, entering either command under any of these conditions
results in an error:
• on the backup system
• while RDF is stopping due to a stop TMF
• while a stop-update-to-timestamp operation is pending
• while a SQL DDL operation with SHARED ACCESS is being processed
Examples
To request RDFCOM to stop RDF, enter:
]STOP RDF
The command to stop RDF in a coordinated manner after having stopped your applications is:
]STOP RDF, DRAIN
The command to stop RDF for a coordinated fast switchover is:
]STOP RDF, REVERSE
STOP SYNCH
The STOP SYNCH command is used as part of the online database synchronization protocol.
STOP SYNCH
Where Issued
Primary system.
Security Restrictions
You can issue the STOP SYNCH command if you are a member of the super ID group and have
a remote password from the RDF primary system to the backup.
RDF State Requirement
You can issue the STOP SYNCH command only when RDF is running.
Usage Guidelines
You must wait until the preceding load or TMF FRNL operations have completed before issuing
this command.
See the descriptions of online database synchronization in Chapter 7 (page 158) for the proper
use of this command.
Example
To issue this command as part of online database synchronization, enter:
]STOP SYNCH
STOP UPDATE
The STOP UPDATE command suspends updating of the backup database and stops all updater
processes. When all updater processes are stopped, RDF issues a 910 EMS message.
STOP UPDATE [ , TIMESTAMP <day><mon><year><hour>:<min> ]
RDFCOM Commands 241