rsync - Feb 2014 - Partial file creation tripping up on aufs volume - tries to use a reserved name

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I'm backing up a file named 'wh.txt' with the destination an aufs
volume - rsync creates a partial filename like '.wh.txt.M8ucDx', which
results in an Operation not permitted (1) error - aufs reserves
'.wh.*' names for whiteout records I think.

Other than ignoring the problem and using --inplace, it doesnt look
like I can influence how rsync names its temporary files - is this
worth a feature request?

Its just this one file causing a problem so far, so its not a big deal
- - just wondered if there was a better way.

Thanks

- -- 
Libre software on Github: https://github.com/OmegaPhil
FSF member #9442
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On Fri, Feb 21, 2014 at 8:14 AM, OmegaPhil <omegaphil at gmail.com> wrote:
> Other than ignoring the problem and using --inplace, it doesnt look like I
> can influence how rsync names its temporary files - is this worth a feature
> request?
>
Outside of using --inplace, you can only request that rsync put its temp
files into a different directory (--temp-dir=FOO), but that isn't that nice
of an option to use if the temp-dir isn't on the same filesystem as the
destination dirs (since it's best to be able to rename the files into place
w/o copying).

An option to change the prefix from "." to something else might be
reasonable.  Or you could look at the get_tmpname() function in receiver.c
and tweak this line to use some other single character (e.g. ':',
'_', or
whatever):

 fnametmp[length++] = '.';

That would allow you to do your copying w/o error at least.  If you want to
make it longer than a single char, the code would need to change to check
if the extra chars would fit w/o overflow.

..wayne..
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