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Sun (Solaris 8, 9, 10) servers and workstations34
4. You should now be able to use the drive.
•Use /dev/rmt/Xcb if you require a compression rewind device file, where X is the
relevant device address.
•Use /dev/rmt/Xcbn when you require a compression non-rewind device.
Once the device files have been created, you should confirm that your new tape drive is working
properly. Chapter 8 on page 37 provides instructions on backing up and restoring a sample file to
test your installation.
HP-data values
The values for HP_LTO_GEN_n and name, which provide normal LTO mode, have the following
meanings:
The syntax for HP_LTO_GEN_n on Solaris 8/9/10 is:
<drive type> = <version>, <type>, <bsize>, <options>,
<no. of densities>, <density 0>, <density 1>,
<density 2>,<density 3>, <default density>,
<non-motion timeout>, <read/write timeout>,
<rewind timeout>, <space timeout>, <load timeout>,
<unload timeout>, <erase timeout>
where:
Parameter Value Meaning
<version> 1 or 2 Indicates the format of the following parameters.
<type> 0x36 or
0x3B
The value for an LTO Ultrium drive in
/usr/include/sys/mtio.h. For Solaris 8, 0x36 indicates a
type of MT_ISOTHER. Later versions of Solaris support the value
0x3B which indicates a type of MT_LTO.
<bsize> 0 Indicates variable block size.
<options> 0xd639
or
0x18659
This value is derived from constants provided in
/usr/include/sys/scsi/targets/stdef.h. The value
determines which operations the driver can perform with the
attached device by using a unique value for each feature and then
adding them together to form the options value. Supported features
will vary with OS revision, and may include the following:
0x001 Device supports variable length records.
0x008 Device can backspace over files (as in the ‘mt bsf’
option).
0x010 Device supports backspace record (as in ‘mt bsr’).
0x020 Device requires a long time-out period for erase
functions.
0x040 Device will automatically determine the tape density.
0x0200 Device knows when end of data has been reached.
0x0400 Device driver is unloadable.