> Subject: Hardware failures
> From: "Marty James" <[EMAIL PROTECTED]>
> Date: Wed, 22 Mar 2000 12:44:25 +1100
> 
> Hi guys (and the girls to if there's any out there on this list!),
> 
> I've been experiencing frequent but non-the-less erratic Hardware 
> Failures over the last couple of months.
> 
> I run about 75 clients (all macs) off a 7300/200, to a Sony DSS tape 
> drive. I've been marking the tapes that come up with Hardware errors, 
> to see if there's a pattern. Also, I've tried disconnecting 
> EVERYTHING and letting the tape drive cool for like 8 hours. Also, 
> I've been head cleaning almost twice a week.
> 
> I can't seem to correlate my actions with any specific 
> results...sometimes one of the options above will seem to help for a 
> few days but then BOOM...Hardware Failure? Is this a buffer underrun 
> proplem or something or is the media (Tapes) the problem?
> 
> I ordered a new head cleaning tape and 10 new DSS tapes, but does 
> anyone recognize this problem and if so, what do you recommend I do?
> 
> 
> Cheers
> Marty.
> 
> -------------------------R-I-P---C-U-R-L-------------------------
> Marty James
>   PC Specialist
>   IT Department                    e-mail:  [EMAIL PROTECTED]
>   Rip Curl,                        office:  +61 3 5261 0075
>   Torquay, Victoria, 3228          mobile:     0419 61 0075
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> ----------------------'the-surfing-company'----------------------
>     Use of the RIP CURL trademarks by Rip Curl Pty. Ltd. under
>          license from Rip Curl International Pty. Ltd.
> 
I have this problem and I decided to get a new tape drive.  I had been using
a Sony SDT-5200 and I couldn't never get the firmware updated so I
"procured" a new HP DDS drive and it even can use the tapes where I use to
get Media Error.  I used to get Media errors all the time even with new
tapes.  I would use it once, do a full backup and the next time I ran an
incremental it would forward to the end of the  last full and give me a 206

                Device trouble: “2-Backup Keenan Terry”, error 206 (drive
reported a failure: dirty heads, bad media, etc.)
              Additional error 
information for device "Sony DAT" [0:2],
                Sense > f0 00 03 00 00 00 29 
12 00 00 00 00 3b 08 00 00 44 00
                  (SONY    |SDT-5200        |3.02)
I also was getting these periodically which was being blamed on network
problems:

                Bad backup set header found (0x0e000000 at 532,480).
           Bad 
backup set header found (0x37313430 at 532,572).
           Bad backup set header 
found (0x10000000 at 614,400).
I had the drive repaired awhile ago but it never really was quite the same
as new.  I had hoped that updating the firmware would fix the problem but I
needed a PC to do that with a SCSI card and when that combination was found
they usually had problems accessing the drive anyway.  It turns out I needed
to upgrade to a previous firmware first and then go to the latest.  Maybe if
I have time later I'll look into this.....

> JWS
> 883x8750
> 
> 


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