Path: utzoo!utgpu!cunews!bnrgate!brtph3!brchh104!date '+%m/%d/%y %H:%M:%S'brchs1!bnr.ca!riceu!sun-spots-request
From: klas@nada.kth.se (Klas Heggemann)
Newsgroups: comp.sys.sun
Subject: Get past the EOF mark on an exabyte
Keywords: Hardware
Message-ID: <430@brchh104.bnr.ca>
Date: 26 Nov 90 17:30:00 GMT
Sender: news@brchh104.bnr.ca
Organization: Sun-Spots
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Approved: Sun-Spots@rice.edu
X-Original-Date: Tue, 13 Nov 90 14:46:02 GMT
X-Sun-Spots-Digest: Volume 9, Issue 370, message 11
X-Note: Submissions: sun-spots@rice.edu, Admin: sun-spots-request@rice.edu

I've managed accidently to overwrite a Exabyte tape which contained a tar
file with the beginning of another tar file. I interrupted the second
write, so most of the old data is still on the tape but I do not know how
to get passed the EOT mark that seems to be written after the second
interruped write. Both writes were done using "tar" piped to a "dd" on a
remote host. 

I've tried a couple of dd's on the raw device but it will not result in
anything else but the failure after the reading of the overwrite file.

The Exabyte host is a Sun 490, sunning SunOS 4.1. All commands used are
standard commmands.

Any suggestions or ideas sent by mail will be most appreciated.

Klas Heggemann <klas@nada.kth.se>
Royal Institute of Technology 
Dept of Numerical Analysis and Computing Science
Stockholm, Sweden