Trying to use MERGE to consolidate archive tape volumes

Products

• DISK BACKUP AND RESTORE

Issue/Introduction

Attempting to incorporate a MERGE function to free up tapes for the Scratch pool. 

Resolution

Refer to  the Disk Systems Guide for the Sysparm DYNTUNIT. In that description there is a table of about 30 values relating to various tape types and capacity.

So, to get the estimated number of new tapes that Merge would create, perform the following:

Specify SIMULATE for the MERGE command.

//SYSPARMS DD *
DYNTUNIT34906

As an example, for 3490/E 60 GB capacity tapes.