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Re: GNU tar and PITR

From: Bruce Momjian <bruce(at)momjian(dot)us>
To: Peter Eisentraut <peter_e(at)gmx(dot)net>
Cc: pgsql-docs(at)postgresql(dot)org
Subject: Re: GNU tar and PITR
Date: 2007-07-16 22:22:05
Message-ID: 200707162222.l6GMM5V23075@momjian.us (view raw or flat)
Thread:
Lists: pgsql-docs
Peter Eisentraut wrote:
> Am Montag, 16. Juli 2007 12:01 schrieb Peter Eisentraut:
> > http://developer.postgresql.org/pgdocs/postgres/continuous-archiving.html
> > says:
> >
> > """
> > Also, some versions of GNU tar consider it an error if a file is changed
> > while tar is copying it. There does not seem to be any very convenient way
> > to distinguish this error from other types of errors, other than manual
> > inspection of tar's messages. GNU tar is therefore not the best tool for
> > making base backups.
> > """
> >
> > However, GNU tar returns 2 for a real error and 1 for the file changed
> > case. Isn't that sufficient?
> 
> Ah ...
> 
> """
> version 1.16 - Sergey Poznyakoff, 2006-10-21
> 
> * 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.
> """
> 
> We should update the documentation.

Docs updated, patch attached.

-- 
  Bruce Momjian  <bruce(at)momjian(dot)us>          http://momjian.us
  EnterpriseDB                               http://www.enterprisedb.com

  + If your life is a hard drive, Christ can be your backup. +

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