HP Ultrium drives UNIX configuration guide 29
3. Instead of rebooting the device, follow these steps.
a. Find the kernel module ID:
# modinfo | grep “st (“
96 60dcc000 cdb0 33 1 st (SCSI Sequential Access Driver)
In this example the ID is 96.
b. Unload the kernel module:
# modunload -i 96
c. Load the kernel module back in:
# modload -p drv/st
d. Rebuild the device paths:
devfsadm -C
devfsadm -i st
For further details, see “How do you load st.conf changes without rebooting,” SunSolve
document 18010, on
http://sunsolve.sun.com/search/document.do?assetkey=1-9-18010-1&searchclause=18010
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 7 on page 33 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 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.
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