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From: gwyn@brl-smoke.UUCP
Newsgroups: net.unix-wizards
Subject: Re: Help in reading Mangled TAR tape
Message-ID: <2166@brl-smoke.ARPA>
Date: Sat, 12-Jul-86 13:10:00 EDT
Article-I.D.: brl-smok.2166
Posted: Sat Jul 12 13:10:00 1986
Date-Received: Sat, 12-Jul-86 22:42:09 EDT
References: <165@grpthry.UUCP>
Reply-To: gwyn@brl.arpa (Doug Gwyn (VLD/VMB) <gwyn>)
Distribution: net
Organization: Ballistic Research Lab (BRL), APG, MD.
Lines: 15

In article <165@grpthry.UUCP> aw@grpthry.UUCP (Alan Whitton) writes:
>I am having problem retrieving (sp?) information from a tar tape. It keeps
>giving me a checksum error on a directory, and then dies after that. We are
>running a "flakey" SYS III right now, and I cannot think of how to get the
>rest of the files off so that I don't have to break them up by hand.

As I recall, the "tar" shipped with UNIX System III would act this
way if one used the wrong combination of blocksize and magtape minor
device.  Try specifying both explicity (and try both orders for these
options, as one of them may also be broken), as in:
	tar xbf 20 /dev/rmt0

I think I finally fixed all the major bugs in AT&T's version of "tar",
which I sometimes ship to appropriately licensed sites (System III does
not suffice).