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Date: Thu, 3 May 2007 02:19:57 -0400
From: Kris Kennaway <kris@obsecurity.org>
To: David Banning <david+dated+1178603327.62476d@skytracker.ca>
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Cc: David Kelly <dkelly@hiwaay.net>, questions@freebsd.org
Subject: Re: can't zip large files 2gb >
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On Thu, May 03, 2007 at 01:48:43AM -0400, David Banning wrote:
> I have replace my memory. It didn't make any difference.
>=20
> root# gunzip *ian_mail*
> gunzip: 3s1.com-ian_mail-full-20070503-0105AM.1.tgz:=20
> invalid compressed data--format violated
> root#=20
>=20
> and another way;
>=20
> root# tar tzf *ian_mail*
>=20
> lists most files in the tgz, then terminates with;
>=20
> ...
> tar: Skipping to next header
> tar: Archive contains obsolescent base-64 headers
>=20
> gzip: stdin: invalid compressed data--format violated
> tar: Child returned status 1
> tar: Error exit delayed from previous errors
> root#

Unless you can demonstrate some other systematic effect (e.g. always
truncated at the same size), it looks like you have some other kind of
failing hardware that is silently corrupting the data during writing
or reading from disk.

Kris

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