CA Vtape uses this command when running the SVTSUTIL program to read a Virtual Volume on a Backstore Tape and copy the application data set to another non-CA Vtape tape in native or application format. The extraction can be done and the application can read the extracted data set while CA Vtape is shutdown.
Extract can be run in one of two modes, relabel or not relabel the output tape. The mode is controlled by the VOLSER parameter. When VOLSER= is coded Extract will relabel the output tape to the Virtual VOLSER being read or to the coded VOLSER value.
This utility function was designed for use during Disaster Recovery when CA Vtape is not available to access critical data that has been written to a Virtual Volume and Externalized to tape.
EXTRACT EXTRACT,VOLSER=INPUT EXTRACT,VOLSER=volser
Where volser is the VOLSER of the output tape.
Note: For a complete description of this command and sample JCL, see the chapter “Recovering CA Vtape”.
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