loaderinfo - report SCSI tape device info
SYNOPSIS
loaderinfo -f <scsi-generic-device>
DESCRIPTION
The loaderinfo command reads various information from SCSI
tape loaders. Its intended use is for high-level programs
that are trying to decide what the capabilities of a
device are.
The following are printed:
Element Address Assignment Page:
This tells how many elements are in the loader,
and what their raw hardware addresses are.
Transport Geometry Descriptor Page:
Will display whether media is invertible or not
(usable with some optical jukeboxes for
detirmining whether to "flip" media after writ
ing to the first side).
Device Capabilities Page
Currently will only display whether we can
transfer between slots (i.e. whether 'mtx
transfer' works).
Inquiry Page
Aside from the normal inquiry info, will also
print out whether we have a bar code reader (for
loaders that support the Exabyte extension for
reporting presense of said reader).
OPTIONS
The first argument, given following -f , is the SCSI
generic device corresponding to your tape loader. Consult
your operating system's documentation for more information
(for example, under Linux these are generally start at
/dev/sg0 under FreeBSD these start at /dev/pass0).
Under FreeBSD, 'camcontrol devlist' will tell you what
SCSI devices you have, along with which 'pass' device con
trols them. Under Linux, "cat /proc/scsi/scsi" will tell
you what SCSI devices you have. Under Solaris 8, find
/devices -name '*changer*' will display the device names
for your attached changers. Make sure to configure your
'sgen' driver first.
This program has only been tested on Linux with a limited
number of loaders (Ecrix Autopack, Exabyte 220).
AVAILABILITY
loaderinfo is currently being maintained by Eric Lee Green
<eric@badtux.org> formerly of Enhanced Software Technolo
gies Inc. The 'mtx' home page is http://mtx.source
forge.net and the actual code is currently available there
and via CVS from http://sourceforge.net/projects/mtx/ .
SEE ALSO
mt(1),tapeinfo(1),mtx(1)
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