| From: | Andres Freund <andres(at)2ndquadrant(dot)com> |
|---|---|
| To: | Alvaro Herrera <alvherre(at)2ndquadrant(dot)com> |
| Cc: | Jesse Denardo <denaje(at)gmail(dot)com>, Bruce Momjian <bruce(at)momjian(dot)us>, pgsql-bugs(at)postgresql(dot)org, Pg Hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: 9.3beta2: Failure to pg_upgrade |
| Date: | 2013-08-03 01:14:09 |
| Message-ID: | 20130803011409.GA27796@alap2.anarazel.de |
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| Lists: | pgsql-bugs pgsql-hackers |
On 2013-08-02 18:17:43 -0400, Alvaro Herrera wrote:
> Alvaro Herrera escribió:
>
> > As it turns out, I have a patched slru.c that adds a new function to
> > verify whether a page exists on disk. I created this for the commit
> > timestamp module, for the BDR branch, but I think it's what we need
> > here.
>
> Here's a patch that should fix the problem. Jesse, if you're able to
> test it, please give it a run and let me know if it works for you. I
> was able to upgrade an installation containing a problem that should
> reproduce yours.
Wouldn't it be easier to make pg_upgrade fudge pg_control to have a safe
NextMultiXactId/Offset using pg_resetxlog?
Greetings,
Andres Freund
--
Andres Freund http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training & Services
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