Exabyte 8500 I/O error ?

2007-12-25 7:42:00

Greetings,

here is the summary of responses to my query, No real solution, but lots of

hints

The problem seems to exist at many sites, but nobody really

have a reason for the failure.

It might be related to the SunOS st driver, the EXB-5000,

some other SCSI device in the chain, power supply noise,

etc...,

I suspect tape defect, so I will be ordering better quality tape.

During the last week, I saw no failure on 6 tapes, while the

week before I had 3 failures in a row.

I will investigate further during the week.

Thanks to:

        "Cuong C Nguyen (408)764-6863" <cuongc@nad.3com.com>

        Tomas.Stephanson@eua.ericsson.se

        quejoh@calamari.Auto-trol.COM (Quentin Johnson)

        mark@maui.Qualcomm.COM (Mark Erikson)

        poffen@sj.ate.slb.com (Russ Poffenberger)

        uunet!tekbspa!edward (Edward Chien)

        Rebecca_Burwell.PARC@xerox.com

        davee@lightning.mitre.org (David N. Edwards)

        jem@gel1.gel1 (Jim Myrick)

        Perry_Hutchison.Portland@xerox.com

        tkevans@eplrx7.es.duPont.com (Tim Evans)

        ben@boxhill.com (Benjamin Monderer)

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Original posting:

From: rpage@coyote.matrox.com (Real Page)

Message-Id: <9203252356.AA04415@coyote.matrox.com>

Subject: Exabyte 8500 I/O error ?

To: sun-managers@eecs.nwu.edu (Sun Managers)

Date: Wed, 25 Mar 92 18:56:26 EST

X-Mailer: ELM [version 2.3 PL11]

Status: OR

Greetings,

I have a EXB-8500 in a EXB-10i stacker hooked to a SparcStation1 under

SunOS 4.1.2, no patches installed.

About every tape I use finished with the following messages:

We use SONY P6-120MP (10/09/91)

I had the 8500 replaced because of a mechanical problem, but the error

still happen.

% /usr/ucb/rsh bourse /etc/dump 0bsfu 112 226000 bigbrother:/dev/nrst8 /dev/rsd2g

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