User Guide

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DD-2 Utilities Manual Pages dd2_format_tape

spacing The number of physical blocks between system zones. If zero or null,

dd2_format_tape uses a default system zone spacing based on the tape

size. If not zero or null, the minimum value is 235.

If the layout element is Alternate or NoZones, spacing must be zero (or

left empty, which defaults to zero).

ENVIRONMENT

$TAPE

Speciﬁes the device special ﬁle to use when you omit the -f <device_special_ﬁle> option.

EXIT STATUS

The dd2 utilities use the following exit status codes, and may also produce output to -stdout

on success:

0 Operation succeeded.

nonzero Operation failed.

A nonzero return value describes the error encountered error during processing (see “Exit

Status” on page 6-5).

EXAMPLES

1. Format a tape using Full formatting, a volume ID of tape1, a pattern of one A partition

(size 5000 physical blocks) with no B partitions, Pack system zone layout, and default

spacing:

dd2_format_tape -format :Full:tape1:5000:1:0:0:Pack::

2. Format a tape using Initialize formatting, a volume ID of 0x1234567890ab, and

default system zone layout and spacing:

dd2_format_tape -format :Initialize:0x1234567890ab:0:1:0:0:::