From: | Mark Kirkwood <mark(dot)kirkwood(at)catalyst(dot)net(dot)nz> |
---|---|
To: | Heikki Linnakangas <heikki(dot)linnakangas(at)enterprisedb(dot)com> |
Cc: | pitrtools(at)lists(dot)commandprompt(dot)com, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: Re: Vacuum of newly activated 8.3.12 standby receives warnings page xxx is uninitialized --- fixing |
Date: | 2010-12-30 22:11:43 |
Message-ID: | 4D1D039F.7080605@catalyst.net.nz |
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Lists: | pgsql-hackers |
On 31/12/10 11:01, Heikki Linnakangas wrote:
> On 30.12.2010 10:55, Mark Kirkwood wrote:
>> Removing the offending
>>
>> --delete --exclude=backup_label
>>
>> options from the base backup step makes everything work properly again.
>
> I don't see why --delete would make any difference, but you shouldn't
> exclude backup_label from the base backup. The backup label file is an
> important part of the online backup, it cannot be recovered safely
> without it.
>
Yes, you (and Robert) are entirely correct, I was confused in my
understanding of the "--delete --exclude=backup_label" and thought it to
mean "exclude the backup label from the delete". Yeah the --delete is
harmless, it is the exclude backup_label that is causing the problem.
Note to all current Pitrtools users, this impacts you! We need to get a
corrected version out soon I would think.
I note that this uninitialized pages with standbys has cropped up from
time to time - I wonder if in most/all the cases folk were using Pitrtools?
regards
Mark
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