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Split File Processing

The split files themselves have the following characteristics:

RECFM=VB or VBS
LRECL= up to 32756 for RECFM=VB; up to 32760 for RECFM=VBS
BLKSIZE= up to 32760 (must be at least 4 more than LRECL when RECFM=VB)
DSORG=PS

The default LRECL and BLKSIZE for the split files are 32756 and 32760 respectively. A lower LRECL and BLKSIZE can be specified, but this should be done only if it is certain that the all of the records that will be written to the split file will have a record length less than or equal to the LRECL. If a record is found with a greater record length than the LRECL, an error condition will be raised on the split file and processing for that split file will be terminated. The split file will then need to be generated with an EXTRACT following the termination of the dump process.

There are considerations for processing split files if the index file and TIME operands are in use, both separately and together.