Peter Eisentraut wrote:
> Am Freitag, 24. August 2007 03:58 schrieb Tom Lane:
> > "Tena Sakai" <tsakai(at)gallo(dot)ucsf(dot)edu> writes:
> > >> This seems to contradict what we say about GNU tar?
> > >> Is this GNU tar? What version?
> > >
> > > Yes, it is GNU tar v1.14
> > FWIW, I tried this on Fedora Core 6 while running pgbench:
> > [tgl(at)rh2 ~]$ tar --version
> > tar (GNU tar) 1.15.1
> > [tgl(at)rh2 ~]$ tar cf t.tar $PGDATA
> > tar: Removing leading `/' from member names
> > tar: /home/tgl/testversion/data/pg_xlog/000000010000000000000003: file
> > changed as we read it [tgl(at)rh2 ~]$ echo $?
> > 0
> > [tgl(at)rh2 ~]$
> > ISTR that the original caution was against writing scripts that assume
> > anything being emitted to stderr must indicate a problem.
> The relevant NEWS entry from GNU tar 1.16 is:
> * After creating an archive, tar exits with code 1 if some files were
> changed while being read. Previous versions exited with code 2 (fatal
> error), and only if some files were truncated while being archived.
Docs updated and backpatched to 8.2.X:
Also, some versions of GNU <application>tar</> consider it an error
if a file was truncated while <application>tar</> is copying it.
Fortunately, GNU <application>tar</> versions 1.16 and later exits
with <literal>1</> if a file was changed during the backup, and
<literal>2</> for other errors.
Bruce Momjian <bruce(at)momjian(dot)us> http://momjian.us
+ If your life is a hard drive, Christ can be your backup. +
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