Skip site navigation (1)Skip section navigation (2)
Date:      Thu, 26 Mar 2009 10:15:58 -0500
From:      Karl Denninger <karl@denninger.net>
To:        Peter Schuller <peter.schuller@infidyne.com>
Cc:        "Jack L. Stone" <jacks@sage-american.com>, freebsd-stable@freebsd.org, fs@freebsd.org
Subject:   Re: support quality (Re: dump | restore fails: unknown tape	headertype 1853384566)
Message-ID:  <49CB9C2E.8060401@denninger.net>
In-Reply-To: <20090326151100.GA46864@hyperion.scode.org>
References:  <200903251820.54749.doconnor@gsoft.com.au>	<200903251925.36108.doconnor@gsoft.com.au>	<3.0.1.32.20090325072137.00ee6b48@sage-american.com>	<3.0.1.32.20090326065337.00f081e0@sage-american.com>	<3.0.1.32.20090326070807.00f081e0@sage-american.com>	<200903261331.n2QDVd4b038485@lava.sentex.ca>	<20090326140131.GA45201@hyperion.scode.org>	<49CB8E74.9090508@denninger.net>	<20090326145230.GC46345@hyperion.scode.org>	<49CB97CD.2010303@denninger.net> <20090326151100.GA46864@hyperion.scode.org>

next in thread | previous in thread | raw e-mail | index | archive | help
This is a multi-part message in MIME format.
--------------090708050607050807000208
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Content-Transfer-Encoding: 7bit

Peter Schuller wrote:
>> To add to this what SHOULD (ha!) work is to dump the database partition 
>> FIRST and THEN dump the Transaction Log partition.
>>     
>
> Depending on how the database works; specifically when old data in the
> log may or may not be expunged. You could do this with PostgreSQL by
> using it's PITR support for example. But to the extent that you have a
> log which is only supposed to be used for internal reasons (such as
> with pg by default), you'd likely be in trouble anyway unless you had
> a specific reason to know that it is safe.
>   
True.  If the log rolls on you while you're taking the dumps you're DEAD.

Both design and verification are important :)

-- 
--
Karl Denninger
karl@denninger.net



--------------090708050607050807000208--





Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?49CB9C2E.8060401>