
Dataset Fragmentation
User Reference
Connectivity Systems, Inc.—Copyright © 2006
Use Pursuant to Company Instructions
13-3
Truncation occurs only on output for sequential disk datasets and is
automatic for datasets defined with DLBL statements. However when
using BIM-EPIC DD statements, truncation must be requested using the
RLSE subparameter of the SPACE parameter.
Truncation should be inhibited for TYPEFLE=WORK DTFs and for
datasets that are opened as sequential I/O but are not accessed
sequentially, for example, DL/1 datasets
Truncation can also be inhibited using the DLBL option code N.
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