Re: WangDAT: How to fseek() ?

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#302

From: Ivo Welch
Date: Wed, 29 Jul 1992 18:22

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> There is no "built-in" support for random seeking to blocks on DAT
> tape media, but it is not too difficult to issue "raw" SCSI commands
> to the tape driver with the appropriate commands to perform the
> seeking.  

Yes, but the question remains: WHAT ARE THE COMMANDS TO DO SO FOR WANGDATS?

(I got 4 messages asking me to forward any responses; unfortunately I have not
received any). Again, has anybody written C functions that can substitute for
fseek() and ftell() (probably over the whole tape, rather than a file, which
would be just fine).

I can no longer get a hold of the author of Safteynet, nor will Safetynet do
what I need: maintaining data-bases to be read by programs. I do not primarily
want to increase dump/tar/etc speed!!

/ivo welch
Newsgroups: comp.sys.next.sysadmin
Subject: Re: WangDAT: How to fseek() ?
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References: <1992Jul26.115817.27702@mic.ucla.edu> <nq9sp2o@zuni.esd.sgi.com> <1992Jul28.215226.9960@ni.umd.edu>
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Organization: UCLA, Anderson Graduate School Of Management
Keywords: cron

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Newsgroups: comp.sys.next.sysadmin
Path: arc1-ca.pugleaf.net!sparky!uunet!elroy.jpl.nasa.gov!ucla-cs!ucla-mic!agsm!iwelch
From: iwelch@agsm.ucla.edu (Ivo Welch)
Subject: Re: WangDAT: How to fseek() ?
Message-ID: <1992Jul29.112201.9064@mic.ucla.edu>
Keywords: cron
Nntp-Posting-Host: risc.agsm.ucla.edu
Organization: UCLA, Anderson Graduate School Of Management
References: <1992Jul26.115817.27702@mic.ucla.edu> <nq9sp2o@zuni.esd.sgi.com> <1992Jul28.215226.9960@ni.umd.edu>
Date: 29 Jul 92 11:22:01 PDT
Lines: 29

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