Using tar with a SCSI DAT drive

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3 total messages Started by George Wu Sun, 10 Jan 1993 09:08

#2298

Author: George Wu
Date: Sun, 10 Jan 1993 09:08

17 lines
1054 bytes

  I recently installed an Archive Python SCSI DAT drive on my system
(NeXTStation Mono running NS 2.1) for backup purposes.  However, I
have been unable to use tar on the drive.  I always get an 'I/O error'
when I run tar and the associated SCSI error is as follows.


	st: cmd = 0x15 sr_io_status = 2H
	    Sense key = 0x5  Sense Code = 0x1a


  According to scsireg.h the SCSI command causing the problem is MODE
SELECT and the sense key (0x5) indicates invalid request.  Does anyone
know the solution to this problem ? Any help is appreciated.


  George Wu

Re: Using tar with a SCSI DAT drive

#2300

Author: Joe Rosenfeld
Date: Sun, 10 Jan 1993 11:57

34 lines
1753 bytes

George Wu (grw@oahu.cs.ucla.edu) wrote:

:   I recently installed an Archive Python SCSI DAT drive on my system
: (NeXTStation Mono running NS 2.1) for backup purposes.  However, I
: have been unable to use tar on the drive.  I always get an 'I/O error'
: when I run tar and the associated SCSI error is as follows.


: 	st: cmd = 0x15 sr_io_status = 2H
: 	    Sense key = 0x5  Sense Code = 0x1a


:   According to scsireg.h the SCSI command causing the problem is MODE
: SELECT and the sense key (0x5) indicates invalid request.  Does anyone
: know the solution to this problem ? Any help is appreciated.


:   George Wu

Well, it would have helped if you indicated your command line for tarring.
I have the same drive, and I can tar, no problems at all, with this comman
line syntax (from root /):

tar -xvf /dev/rst0 *

I usually use gnutar with this syntax:

gnutar -xvpf /dev/rst0 *

Give it a try.  My current DAT scsi id is "6"

| Joe Rosenfeld			  cowboy@trans.csuohio.edu
| CSU Law Library                joer@inca.law.csuohio.edu
|         "We look for things ... to make us go!"

Re: Using tar with a SCSI DAT drive

#2309

Author: Dave Olson
Date: Sun, 10 Jan 1993 19:47

22 lines
1610 bytes

In <1993Jan10.090824.24470@cs.ucla.edu> grw@oahu.cs.ucla.edu (George Wu) writes:
|   I recently installed an Archive Python SCSI DAT drive on my system
| (NeXTStation Mono running NS 2.1) for backup purposes.  However, I
| have been unable to use tar on the drive.  I always get an 'I/O error'
| when I run tar and the associated SCSI error is as follows.
| 
| 	st: cmd = 0x15 sr_io_status = 2H
| 	    Sense key = 0x5  Sense Code = 0x1a
| 
|   According to scsireg.h the SCSI command causing the problem is MODE
| SELECT and the sense key (0x5) indicates invalid request.  Does anyone
| know the solution to this problem ? Any help is appreciated.

sense code 1a indicates parameter overrun, which presumably
means that one of the bytes in the command is out of range.

Perhaps you (or the driver) is trying for a blocksize that the
drive doesn't support?
--
Let no one tell me that silence gives consent,  |   Dave Olson
because whoever is silent dissents.             |   Silicon Graphics, Inc.
    Maria Isabel Barreno                        |   olson@sgi.com

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