what means CRC Error exactly?

[gottfried]

Hi again,

I refer to topic
http://www.tgrmn.com/web/forum/viewtopict2320.htm

Well, what means CRC Error exactly?

For example the VV LOG line:

Copying file V:\Archiv\OK-WWW Material\suchmaschinen\suchmaschinenoptimierung-frames.htm <to> N:\Archiv\OK-WWW Material\suchmaschinen\suchmaschinenoptimierung-frames.htm (39,37KB) ... CRC check ... [CRC check failed: file "\\?\GLOBALROOT\Device\HarddiskVolumeShadowCopy1\Archiv\OK-WWW Material\suchmaschinen\suchmaschinenoptimierung-frames.htm" not copied correctly.] [ERROR].

When I copy directly with VV (no temporary files) I have the file also on the target. But both files are identical - arnt they? So, is the CRC error only a soft CRC, meaning the error recovery of the CRC algorithm has corrected the error?

Please clarify

Thanks

Gottfried
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[TGRMN Software]

Hello

This is a strange error. It seems like the CRC values that are calculated immediately after a file copy do not match, but if you calculate the same CRC values later on, they do match. Honestly I do not know why is happening: it could be something related to file caching and the NAS. It is quite strange...

thanks
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