ROSDATA is segmenting my member and changing the member name.
The ROSDATA program creates or replaces one or more Roscoe library members from a data set. ROSDATA was designed to segment the incoming data every 1000 lines. When it segments the data, it creates a new member by using the first six characters specified in the MEMBER= parameter, appending an index every time a segmentation break occurs.
To prevent segmentation add “MAXSIZE=OFF” to the ROSDATA $ADD control statement.
For more information refer to the Roscoe Programs and Utilities Guide section 4.6.2