Date: Mon, 20 Jun 2005 13:14:42 +0200 From: Pavel Duda <element@email.cz> To: freebsd-questions@freebsd.org Subject: Re: DDS Tape problems Message-ID: <d96844$p7$1@sea.gmane.org> In-Reply-To: <20050619222145.GB37620@wantadilla.lemis.com> References: <d94gbc$isg$1@sea.gmane.org> <20050619222145.GB37620@wantadilla.lemis.com>
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Greg 'groggy' Lehey wrote: > On Sunday, 19 June 2005 at 21:22:43 +0200, Pavel Duda wrote: > >>Hi, >>I have problem with my DDS-3 type drive. I'm able to write on it but not >>read data back. If I try to read them I get card dump and tape drive >>hangs up. I have tried to upgrade firmware but problem remains. Does >>somebody have experience with this ? >> >>My specs : >>FreeBSD 5.2.1, generic kernel, x86 (P3), SCSI card is Adaptec AHA2940 >>and tape drive Python 04106. >> >>I'm attaching dmesg output. > > > I don't have time to investigate the status output in detail, but at > first glance the output looks consistent with hardware failure. I've > had this so many times with tape drives, in particular DDS, that I > have given up using them altogether: not a single one survived its > guarantee period. If it's not the drive, it could be the tape, though > I've seen far fewer problems in this area. Does this drive (and tape) > work in other systems? Yes. I was recently using it in my AIX Netfinity machine. Some tapes used for test are new. I will test to record something and read it in machine in work. > > I don't think it's termination; you say you only see the errors during > reading, and that doesn't fit. > Termination is OK and there is only tape drive at this time (all unnecessary drives were removed to minimize possible interferences). > What does the drive do when you try to read it? A lot of > back-and-forth is usually an indication of hardware read errors. > Both LEDs are on and tape drive doesn't react to eject button. > Greg > -- > When replying to this message, please copy the original recipients. > If you don't, I may ignore the reply or reply to the original recipients. > For more information, see http://www.lemis.com/questions.html > The virus contained in this message was not detected. > > Finger grog@FreeBSD.org for PGP public key. > See complete headers for address and phone numbers.
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