read errors mapping "/path/file": No data available (in version 3.0.6)

[Carlos Carvalho-3]

Got this in the log:

WARNING: path/file failed verification -- update discarded (will try again).
rsync: read errors mapping "/path/file": No data available (61)

The first line is rare but understandable. It's the second one that I
find strange. What does "no data available" mean? The file exists on
the origin (and on the destination). The second attempt should have
worked normally. This happened with --link-dest.
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[Matt McCutchen-7]

On Mon, 2009-11-02 at 20:33 -0200, Carlos Carvalho wrote:
> Got this in the log:
>
> WARNING: path/file failed verification -- update discarded (will try again).
> rsync: read errors mapping "/path/file": No data available (61)
>
> The first line is rare but understandable. It's the second one that I
> find strange. What does "no data available" mean? The file exists on
> the origin (and on the destination). The second attempt should have
> worked normally. This happened with --link-dest.

It looks like rsync generates that errno internally if a source file is
truncated while the sender is reading it:

http://gitweb.samba.org/?p=rsync.git;a=blob;f=fileio.c;h=0faa619540e6892e16b1fe13ee55a5d3bd1c6fb6;hb=HEAD#l249

--
Matt

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