Re: Urgent!

From: Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
To: Scott Marlowe <smarlowe(at)g2switchworks(dot)com>
Cc: codeWarrior <gpatnude(at)hotmail(dot)com>, pgsql-admin(at)postgresql(dot)org
Subject: Re: Urgent!
Date: 2005-10-13 16:23:44
Message-ID: 200510131623.j9DGNiw07035@candle.pha.pa.us
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Scott Marlowe wrote:
> On Thu, 2005-10-13 at 10:56, Bruce Momjian wrote:
> > codeWarrior wrote:
> > > Lookas as if you've managed to turn off your computer mid-transaction
> > > thereby corrupting the postgreSQL commit logs (pg_clog)...
> > >
> > > You should never just turn off a database server... always shut it down
> > > normally... Turning it off was a major mistake. I dont know if you can
> > > recover or not as the system (postgreSQL) now thinks it is in the middle of
> > > a transaction...
> >
> > PostgreSQL should never get corrupted by turning off the server. It
> > isn't ideal to do that, but it should not get corrupted.
>
> Unless it is installed on hardware that lies about fsync.
>
> Which almost all ATA drives, parallel and serial, do, sadly.

Ah, yes, that one. We do have a section in the 8.1 beta docs about that
which will help in the future:

http://candle.pha.pa.us/main/writings/pgsql/sgml/reliability.html

--
Bruce Momjian | http://candle.pha.pa.us
pgman(at)candle(dot)pha(dot)pa(dot)us | (610) 359-1001
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  • Re: Urgent! at 2005-10-13 16:21:24 from Scott Marlowe

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  • Re: Urgent! at 2005-10-13 16:29:58 from Scott Marlowe

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