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DASD Type

3390 (56664 bytes/track)

3380 (47476 bytes/track)

3380/3390 mix

bytes per track:

LRECL:

1/ track blocking

BLKSIZE:

Percent of track used:

Number of records per block:

BLKSIZE is verifiable. Allocate a dataset with only enough blocks to fill one track (ISPF 3.2). Then check how many tracks were allocated with ISPF 3.4. Only 1 track should be allocated. Increase the BLKSIZE by one multiple of LRECL to cause an additional track to be allocated.

 

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