[TriLUG] cpio checksum errors

[Ron Kelley via TriLUG]

Interesting, the errors you listed below have the “0x1” prefix as opposed to the “0x” prefix from the source files.

I wonder if the cpio command has different output between versions?


> On Apr 28, 2017, at 10:34 AM, Paul Boyle via TriLUG <trilug at trilug.org> wrote:
> 
> Hi,
> 
> I bought myself a new x86_64 laptop and installed OpenSUSE LEAP 42.2 on
> it.  I used cpio (using the crc format) to archive my /home directory
> from my old computer writing the archive to an external hard drive.  I
> then took the external hard drive plugged it into the new computer
> copied the archive file (approximately 23 GiB) to the new /home
> directory and unpacked it.
> 
> Out of about 70,000 files, I got 107 checksum errors. Typically it
> looked like this (sorry for the line wrap):
> 
> cpio: boyle/Pictures/2008-08-02/2088-08-24/MVI_0075.AVI: checksum error
> (0x1ce87d5a6, should be 0xce87d5a6)
> cpio: boyle/Pictures/2008-08-02/2088-08-24/MVI_0034.AVI: checksum error
> (0x1337929d6, should be 0x337929d6)
> cpio: boyle/Pictures/2008-08-02/2088-08-24/MVI_0032.AVI: checksum error
> (0x1c23725ea, should be 0xc23725ea)
> 
> I  haven't checked all of the files.  There were some PDFs which gave
> errors and those opened in okular OK and I didn't notice any gross
> errors.
> 
> I am concerned about these errors, but I don't know if they have any
> real effect.  What is other people's experience and how should I
> try to deal with this?
> 
> Thanks for any suggestions.
> 
> Paul 
> 
> -- 
> Paul D. Boyle, Ph. D.
> Manager, X-ray Facility
> Department of Chemistry
> Western University
> London, ON N6A 5B7
> Canada
> GPG Fingerprint: 8ECE 516D 9046 FE83 4A46  7E8E D720 555D 8CC3 EC6B
> -- 
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