TSO Allocation Parameter (MVS/TSO)

Valid only for MVS/TSO when APPEND is not specified for file transmission. The following items can be specified:

[Allocation Amounts]
 Primary
Enter the number of tracks or cylinders allocated to this file transfer.
 Secondary
If the primary allocation is not sufficient for the entire file transfer, enter additional storage capacity allocated to the file transfer.
[Allocation Units]
 Tracks
Specify this parameter to allocate a host file by track. Ask your system manager whether to use tracks or cylinders as the unit.
 Cylinders
Specify this parameter to allocate a host file in units of cylinders.
 AVblocks
Specify this parameter to allocate a host file in units of blocks.

[Block size]

This item is used only to create a new data set. Enter the block size of a new host data set, in bytes, in the text box. If this item is omitted, the workstation assumes the value that appears in the Logical Record Length box. The maximum value is 32767. If AVblocks is selected, the block size is the block size of the new data set.