Manual Reference Pages - TAPEINFO (1)
tapeinfo - report SCSI tape device info
Bugs And Limitations
tapeinfo -f <scsi-generic-device>
tapeinfo command reads various information from SCSI tape drives that is not
generally available via most vendors tape drivers. It issues raw
commands directly to the tape drive, using either the operating systems
SCSI generic device ( e.g. /dev/sg0 on Linux, /dev/pass0 on FreeBSD) or
the raw SCSI I/O ioctl on a tape device on some operating systems.
One good time to use tapeinfo is immediately after a tape i/o operation has
failed. On tape drives that support HPs tapealert API, tapeinfo will
report a more exact description of what went wrong.
Do be aware that tapeinfo is not a substitute for your operating systems
own mt or similar tape driver control program. It is intended to supplement,
not replace, programs like mt that access your operating systems tape
driver in order to report or set information.
The first argument, given following
-f , is the SCSI generic device corresponding to your tape drive.
Consult your operating systems 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 controls them. Under Linux,
"cat /proc/scsi/scsi" will tell you what SCSI devices you have.
BUGS AND LIMITATIONS
This program has only been tested on Linux with a limited number of
tape drives (HP DDS4, Seagate AIT).
tapeinfo is currently being maintained by Robert Nelson <firstname.lastname@example.org>
as part of the mtx suite of programs. The mtx home page is
http://mtx.sourceforge.net and the actual code is currently available there and via
SVN from http://sourceforge.net/projects/mtx.
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