Re: pg_start_backup without WAL archiving

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Peter Eisentraut <peter_e(at)gmx(dot)net>
Cc: pgsql-admin(at)postgresql(dot)org, "Jeff Larsen" <jlar310(at)gmail(dot)com>
Subject: Re: pg_start_backup without WAL archiving
Date: 2007-11-25 18:02:56
Message-ID: 18382.1196013776@sss.pgh.pa.us
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Peter Eisentraut <peter_e(at)gmx(dot)net> writes:
> Jeff Larsen wrote:
>> Because a file system level backup is no good unless the database is
>> stopped, or you are using PITR.

> You are begging the question. If I enable WAL archiving, make a base backup
> to a safe place, and my data center goes up in flame immediately afterwards
> without a WAL segment being archived, that base backup should still be
> usable. Or maybe not. That's the question.

And the answer is still "no". If you don't have the entire series of
WAL files made over the period of the base backup, you're out of luck.

regards, tom lane

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