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Bug#730871: general: Filesystem? Some problems with sizes of files.

On 11/30/2013 11:56 PM, Konstantin Khomoutov wrote:
> May be the file you're trying to copy is sparse [1]?  GNU tar does
> support this.  Flash drives typically contain FAT32 on them which
> doesn't support sparse files, so when copying such a file from a "real"
> file system to FAT32 the kernel's copying routine has to "stuff" the
> file.
> Try running
> $ du --apparent-size -h backup272291.tar
> to see how much disk space it's worth taking into account its
> sparseness, if any.
> 1. http://en.wikipedia.org/wiki/Sparse_file

If it was FAT32, then it wouldn't even accept files bigger than 2GB.
That is by the way an information which we miss here: what kind of
filesystem is on that flash medium?


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