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Top Forums UNIX for Dummies Questions & Answers I cannot restore my backup from my exabyte tape drive Post 302240776 by ezleone on Friday 26th of September 2008 02:04:22 PM
Old 09-26-2008
I cannot restore my backup from my exabyte tape drive

Hi All,

I have an old Unix system used by a client as a backup server.I installed an Exabyte tape drive and on restarting the server and during POSTs, the system recognizes the tape drive with its scsi id. On running the command devstat -IAF, the system sees the tape drive quite well.

When i try to do a restore from the tape, the system tells me the device does not exist.

Do i have to mount the tape drive for the server to recognize the tape drive.

Please i need assistance for the customer is complaining.

ezleone
 

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TAPEINFO(1)						      General Commands Manual						       TAPEINFO(1)

NAME
tapeinfo - report SCSI tape device info SYNOPSIS
tapeinfo -f <scsi-generic-device> DESCRIPTION
The 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 system's 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 HP's '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 system's own 'mt' or similar tape driver control program. It is intended to supplement, not replace, programs like 'mt' that access your operating system's tape driver in order to report or set information. OPTIONS
The first argument, given following -f , is the SCSI generic device corresponding to your tape drive. Consult your operating system's doc- umentation 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). AVAILABILITY
tapeinfo is currently being maintained by Robert Nelson <robertnelson@users.sourceforge.net> 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://source- forge.net/projects/mtx. SEE ALSO
mt(1),mtx(1),scsitape(1),scsieject(1),loaderinfo(1) TAPEINFO1.0 TAPEINFO(1)
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