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Date:      Tue, 4 Nov 2003 15:16:18 +0100 (CET)
From:      Konrad Heuer <kheuer2@gwdg.de>
To:        Jason Lavigne <jlavigne@bwlogic.com>
Cc:        freebsd-questions@freebsd.org
Subject:   Re: Trouble with a DLT7000 tape drive
Message-ID:  <20031104151004.R16730@gwdu60.gwdg.de>
In-Reply-To: <003b01c3a2dc$a762ca00$0501a8c0@canada>
References:  <003b01c3a2dc$a762ca00$0501a8c0@canada>

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On Tue, 4 Nov 2003, Jason Lavigne wrote:

> I have found some errors that I get on my tape drive. I am wondering if
> anyone would know if this is SCSI card, cable, tape drive or tape issue,
> or maybe something different all together. I am using DLT Type-IV tapes
> and this is on a FreeBSD 4.7-RELEASE system.
>
> TIA,
>
> Jay
>
> dmesg output
>
> ahc0: <Adaptec 2902/04/10/15/20/30C SCSI adapter> port 0xdc00-0xdcff mem
> 0xdffff000-0xdfffffff irq 11 at device 18.0 on pci0
> aic7850: Single Channel A, SCSI Id=7, 3/253 SCBs
> sa0 at ahc0 bus 0 target 1 lun 0
> sa0: <QUANTUM DLT7000 2565> Removable Sequential Access SCSI-2 device
> sa0: 10.000MB/s transfers (10.000MHz, offset 15)
> ch0 at ahc0 bus 0 target 3 lun 0
> ch0: <ADIC VLS DLT 0305> Removable Changer SCSI-2 device
> ch0: 3.300MB/s transfers
> ch0: 7 slots, 1 drive, 1 picker, 1 portal
> (sa0:ahc0:0:1:0): WRITE FILEMARKS. CDB: 10 0 0 0 2 0
> (sa0:ahc0:0:1:0): MEDIUM ERROR info:2 csi:0,0,1,40 asc:c,0
> (sa0:ahc0:0:1:0): Write error
> (sa0:ahc0:0:1:0): failed to write terminating filemark(s)
> (sa0:ahc0:0:1:0): PREVENT ALLOW MEDIUM REMOVAL. CDB: 1e 0 0 0 0 0
> (sa0:ahc0:0:1:0): ABORTED COMMAND info:ffffa000 csi:0,0,1,40 asc:44,89
> (sa0:ahc0:0:1:0): Vendor Specific ASCQ
> (sa0:ahc0:0:1:0): PREVENT ALLOW MEDIUM REMOVAL. CDB: 1e 0 0 0 0 0
> (sa0:ahc0:0:1:0): ABORTED COMMAND csi:0,0,1,40 asc:44,89
> (sa0:ahc0:0:1:0): Vendor Specific ASCQ
> (sa0:ahc0:0:1:0): PREVENT ALLOW MEDIUM REMOVAL. CDB: 1e 0 0 0 0 0
> (sa0:ahc0:0:1:0): ABORTED COMMAND info:ffffa000 csi:0,0,1,40 asc:44,89
> (sa0:ahc0:0:1:0): Vendor Specific ASCQ
> (sa0:ahc0:0:1:0): PREVENT ALLOW MEDIUM REMOVAL. CDB: 1e 0 0 0 0 0
> (sa0:ahc0:0:1:0): ABORTED COMMAND info:2000 csi:0,0,1,40 asc:44,89
> (sa0:ahc0:0:1:0): Vendor Specific ASCQ
> (sa0:ahc0:0:1:0): PREVENT ALLOW MEDIUM REMOVAL. CDB: 1e 0 0 0 0 0
> (sa0:ahc0:0:1:0): ABORTED COMMAND csi:0,0,1,40 asc:44,89
> (sa0:ahc0:0:1:0): Vendor Specific ASCQ
> (sa0:ahc0:0:1:0): PREVENT ALLOW MEDIUM REMOVAL. CDB: 1e 0 0 0 0 0
> (sa0:ahc0:0:1:0): ABORTED COMMAND info:ffffa000 csi:0,0,1,40 asc:44,89
> (sa0:ahc0:0:1:0): Vendor Specific ASCQ
> (sa0:ahc0:0:1:0): tape is now frozen- use an OFFLINE, REWIND or MTEOM
> command to clear this state.

I had a similar problem with my DLT4000 drive. It was caused by unsuitable
media. Although the tapes seemed to be suitable for DLT4000 drives there
were preformatted in some kind; I bought tapes from diffferent
manufacturer, and they do fine.

I studied the documentation of my drive which explains the "Vendor
Specific ASCQ" im some way so that I got the idea to use other tapes.

Best regards

Konrad Heuer (kheuer2@gwdg.de)  ____            ___  _______
GWDG                           / __/______ ___ / _ )/ __/ _ \
Am Fassberg                   / _// __/ -_) -_) _  |\ \/ // /
37077 Goettingen             /_/ /_/  \__/\__/____/___/____/
Germany



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