User`s guide

SET unit-number
made available to the host. If NORUN is specified, the devices that make up the
unit will still be spun up, but the unit will not be made available to the host.
WRITE_PROTECT
NOWRITE_PROTECT (Default)
Enables and disables write protection of the unit.
WRITEBACK_CACHE
NOWRITEBACK_CACHE (Default)
Enables and disables the controller’s write-back cache on this unit.
Note
It may take up to 5 minutes to flush unwritten data from the write-back
cache once you disable write-back caching.
Qualifiers for a Unit Created from a Tape Drive (HSJ and HSD only)
DEFAULT_FORMAT= format
DEFAULT_FORMAT=DEVICE_DEFAULT (Default)
Specifies the tape format to be used unless overridden by the host. Note that
not all devices support all formats. The easiest way to determine what formats
are supported by a specific device is to enter the ‘‘SHOW <tape unit number>
DEFAULT_FORMAT= ?’’ command—the valid options will be displayed.
Supported tape formats are as follows:
• DEVICE_DEFAULT (default)
The default tape format is the default that the device uses, or, in the case of
devices that can be set via switches on the front panel, the settings of those
switches.
• 800BPI_9TRACK
• 1600BPI_9TRACK
• 6250BPI_9TRACK
• TZ85
• TZ86
• TZ87_NOCOMPRESSION
• TZ87_COMPRESSION
• DAT_NOCOMPRESSION
• DAT_COMPRESSION
• 3480_NOCOMPRESSION
• 3480_COMPRESSION
B–90 Command Line Interpreter