Using The Seek And Tell Features Of Mt; What Next - HP 330834-B21 - StorageWorks Ultrium 460 Tape Library Drive Module Technical Reference Manual

Using the Seek and Tell Features of mt

What Next?

In order to enable large transfers under Linux (>64 KB per write), edit the file
/usr/src/linux/drivers/scsi/st_options.h
definition of
ST_BUFFER_BLOCKS
If you want requests to space to end of data to be faster, you should also
enable
ST_FAST_MTEOM
modules and install the new binary. At the very least, this requires:
make modules
make modules_install
from the
/usr/src/linux
In order to use the seek and tell features of
HP Ultrium drives use logical block addressing.
You can do this by using the command:
mt -f <device file> stsetoptions scsi2logical
where is the device file.
/dev/stp
Note however that this information is not preserved across reboots, so you
need to execute this command each time the system comes up. The
utility offers a convenient way of handling this; see the relevant
more information. If you use this approach, set the manufacturer parameter to
and the model to "
HP Ultrium 2-SCSI
Once the device files have been created, you should confirm that your new
tape drive is working properly.
provides instructions on backing up and restoring a sample file to test your
installation.
.
in the same file. After changing this file, rebuild the
directory. See your kernel documentation.
, you must tell the
mt
".
Chapter 7, "Verifying the Installation"
and change the
driver that
st
stinit
page for
man
Linux 27