Re: AW: secure deletion of archived logs

From: Stephen Frost <sfrost(at)snowman(dot)net>
To: "Zwettler Markus (OIZ)" <Markus(dot)Zwettler(at)zuerich(dot)ch>
Cc: "pgsql-general(at)lists(dot)postgresql(dot)org" <pgsql-general(at)lists(dot)postgresql(dot)org>
Subject: Re: AW: secure deletion of archived logs
Date: 2019-12-09 14:30:45
Message-ID: 20191209143045.GM6962@tamriel.snowman.net
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Greetings,

* Zwettler Markus (OIZ) (Markus(dot)Zwettler(at)zuerich(dot)ch) wrote:
> We use "rsync" on XFS with "wsync" mount mode. I think this should do the job?

No, that just makes sure that namespace operations are executed
synchronously, that doesn't provide any guarantee that the data has
actually been written out and sync'd.

> The tools mentioned will all do backup to disk.
> We are required to do backup to tape.

Back up to disk first and then tar to tape.

Thanks,

Stephen

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