Re: [GENERAL] PITR and tar

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: "Jim C(dot) Nasby" <decibel(at)decibel(dot)org>
Cc: Jeff Davis <pgsql(at)j-davis(dot)com>, Dhaval Shah <dhaval(dot)shah(dot)m(at)gmail(dot)com>, pgsql-docs(at)postgresql(dot)org
Subject: Re: [GENERAL] PITR and tar
Date: 2007-05-14 01:46:21
Message-ID: 23024.1179107181@sss.pgh.pa.us
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"Jim C. Nasby" <decibel(at)decibel(dot)org> writes:
> Does anyone know what the history of the docs saying that GNU tar had
> issues with files changing underneath it? According to this report it's
> actually BSD tar that has the issue.

It seems to be a different issue. The problem with GNU tar is that it
issues a warning and exits with nonzero status, which is a problem for
backup scripts because they can't easily distinguish this case from an
actual failure. But AFAIK the output file is self-consistent anyway.
It sounds like bsd tar is just plain broken :-(

regards, tom lane

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