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Status Submitted
Created by Guest
Created on Dec 10, 2025

Add DFSESL as an option for FMN1POPT in File Manager for IMS

Please add DFSESLn as an option in FMN1POPT. This will add DFSESL as a DD statement when using file manager for IMS in BMP mode. This should be the same format as RESLIBn, allowing multiple different DSN's to be concatenated together. This is a requirement for IMS BMPs to connect to external subsystems including Db2. Having a segment exit that updates Db2 when that IMS segment is updated, without DFSESL the segment cannot be updated. This makes DFSESL a requirement to update those segments. Having multiple different IMS's and external subsystems requires the capability to have different DFSESL based on the IMS subsystem. 

Idea priority High