Chapter 6. Data extraction 243
If a match on data set name is not found, the vital record specification
management class or vital record specification management value will be
called the primary VRS; that means a vital record specification management
class or a vital record specification management value can be either a
primary VRS (if no matching data set name VRS is found) or a secondary
VRS.
6.3.2 Storage location management
You define and use your installation's management policies for those tape
volumes and data sets that contain installation-critical data for disaster recovery.
These policies define:
Critical data–data that is vital to your installation
Storage location–where to store critical data
Retention criteria–how long to ...