Date: Thu, 3 May 2007 00:41:36 -0400 From: David Banning <david+dated+1178599299.38573d@skytracker.ca> To: David Kelly <dkelly@hiwaay.net> Cc: questions@freebsd.org Subject: Re: can't zip large files 2gb > Message-ID: <20070503044136.GA57871@skytracker.ca> In-Reply-To: <20070502190950.GA84501@Grumpy.DynDNS.org> References: <20070501195825.GA10269@skytracker.ca> <20070502093757.GA2835@kobe.laptop> <20070502162657.GA21779@skytracker.ca> <20070502171723.GA1615@kobe.laptop> <20070502180815.GA50145@skytracker.ca> <20070502190950.GA84501@Grumpy.DynDNS.org>
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> I haven't been paying 100% attention. Just how does it fail? What do you > mean by "corrupt"? > > Does the process run to completion? All programs zip with no errors. On reading; root# bzip2 -t zippedfile.bz2 bzip2: 3s1.com-smartstage_ftp-full-20070502-0125AM.1b.tar.bz2: data integrity (CRC) error in data You can use the `bzip2recover' program to attempt to recover data from undamaged sections of corrupted files. - gzip also sites a "crc" error - can't remember rzip's error, (it does output an error.) - uncompress goes without echoing error but tar expanded is not able to be untarred. > Are the output zip files reasonable in size? The zipped file size seems reasonable in each case. > Are the expanded files reasonable in size? expanding will not complete, except uncompress, which expands the file to the original size, plus 6 bites, then the tar file expanded is unreadable. If so where does the mismatch > start? on expanding, it seems the error happens near or at the end of the expanding process before halting and exiting with error, that is if I attempt to read the file with "tar -tzf filename.tgz" in gzip's case or "tar -tyf filename.bz2 in bzip2's case. > > Is the problem always in the same place for the same input file? Pretty much, but I can't say if it is exactly the same in each case. I am going to attempt swapping memory and see if the error continues.
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