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Conference stkhlm::magtape

Title:	MAGNETIC TAPEDRIVES

Moderator:	STKHLM::GJOHNSSON

Created:	Mon Sep 21 1987
Last Modified:	Fri Jun 06 1997
Last Successful Update:	Fri Jun 06 1997
Number of topics:	3775
Total number of notes:	13147

3691.0. "fatal drive error in TLZ6L-VA" by ZPOVC::RUENCHZE () Mon Mar 10 1997 14:26

Hi all,

	I had a problem with the TLZ6L-VA drive running on OpenVMS 1.5-1H1 with 
hardware version B04.

	When I replaced the tape drive with a spare from the MCS logistics, it 
always gave an error message 

			"fatal drive error"

	when I "init" the tape. But with a previously "init" tape, I could
mount the drive without any problem.

	Suspecting the spare was D.O.A. I replaced it with another spare, the
same error message appeared.

	Anyone has an idea what is the problem ? Firmware problem ?

	Thanks in advance.

Rdgs,
Loh R.C.

T.R Title User Personal
Name Date Lines

3691.1 Check errorlog! UTRTSC::VISSER Thu Mar 20 1997 02:00 23

T.R	Title	User	Personal Name	Date	Lines
3691.1	Check errorlog!	UTRTSC::VISSER		`Thu Mar 20 1997 02:00`	23
	Check the errorlog. I EXPECT you will find errors like: 04/44/B4 or 04/44/00 [SENSE_KEY/ASC/ASCQ]. These errors indicate "Internal Target failure"..... I have seen tapes (!!), which suffered this problem: You could read them without problem, but CANNOT write them (and give errors as above). Since your problem seems solid, there are only a fews ways out: - Bulk-erase the tape-cartridges. You NEED and extreme STRONG eraser to do this. If you CANNOT find one, -> - Could try a TLZ07 to try to overcome the issue.... and get the media going again (NO garantee at all if this will work). - Throw the tapes away and buy new ones. It is STILL NOT UNDERSTOOD (if you see 04/44/..) HOW and WHY this occurs. Be sure Head Cleaning is done on a regurlar basis and good tapes (Digital) as used. Jan Visser.

    
    Check the errorlog. I EXPECT you will find errors like: 04/44/B4 or
    04/44/00  [SENSE_KEY/ASC/ASCQ]. These errors indicate "Internal Target
    failure".....
    
    I have seen tapes (!!), which suffered this problem: You could read
    them without problem, but CANNOT write them (and give errors as above).
    
    Since your problem seems solid, there are only a fews ways out:
    
    	- Bulk-erase the tape-cartridges. You NEED and extreme STRONG
    	  eraser to do this. If you CANNOT find one, ->
        - Could try a TLZ07 to try to overcome the issue.... and get the
    	  media going again (NO garantee at all if this will work).
    	- Throw the tapes away and buy new ones.
    
    It is STILL NOT UNDERSTOOD (if you see 04/44/..) HOW and WHY this
    occurs. 
    Be sure Head Cleaning is done on a regurlar basis and good tapes
    (Digital) as used.
    
    			Jan Visser.