Availability Guide for Change Management

Making Application Subsystem Changes Online
Availability Guide for Change Management–125506
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TMF Subsystem Changes You Can Perform Online
Changing the TMF Catalog
You can change many aspects of the TMF catalog while the TMF subsystem is running.
The TMF catalog maintains entries for audit dumps, online dumps, and tape media.
Table 4-7 summarizes the TMF catalog changes.
Summary of TMF Changes
Table 4-8 summarizes the TMF changes described in this section.
Table 4-6. Audit-Dump Configuration Changes
Impact on Availability
Type of change NonStop system Application
Altering the block size for tape dumps Available Available
Altering the number of tape copies Available Available
Altering the tape verification value Available Available
Changing the method used for making multiple tape copies Available Available
Changing the system on which audit-trail files are dumped Available Available
Changing the disk media used for audit-trail file dumps Available Available
Table 4-7. TMF Catalog Configuration and Entry Changes
Impact on Availability
Type of change NonStop system Application
Adding or deleting tape media from the
TMF catalog
Available Available
Adding or removing online dumps or
audit dumps from the TMF catalog
Available Available
Changing TMF catalog attributes Available Requires the TMF subsystem
to be stopped
Changing the state of an existing online
dump or audit dump
Available Available
Changing the status of an existing tape
volume in the TMF catalog
Available Available