This parameter indicates the unit of storage allocation for a dataset that was created on an IBM mainframe.
Cylinders
Tracks
Blocks
Records
Default: CYL
Note: This parameter is a Version 2 parameter.
For a data set created on an IBM mainframe, this parameter specifies the multiplier for Primary and Secondary allocation units when allocating based on the number of records. The record size is based on the value of the LRECL parameter.
Indicates that the PRIMARY_ALLOC and SECONDARY_ALLOC parameters specify the number of records to allocate for.
Indicates that PRIMARY_ALLOC and SECONDARY_ALLOC parameters specify the number of records in thousands (so it would be the number specified multiplied by 1024).
For example, specifying 3 would be stating 3 K or 3072 records.
Indicates that PRIMARY_ALLOC and SECONDARY_ALLOC parameters specify the number of records in millions (so it would be the number specified multiplied by 1048576).
For example, specifying 2 would be stating 2M or 2097152 records.
Default: None
Note: This parameter applies only when the SPACE parameter specifies a value of “REC”. The parameter indicates that a file is being allocated based on a specific number of records.
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