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Re: System crash - invalid page header messages in log

From: "Jim Buttafuoco" <jim(at)contactbda(dot)com>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: "pgsql-hackers" <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: System crash - invalid page header messages in log
Date: 2004-09-28 22:33:31
Message-ID: 20040928223254.M53133@contactbda.com (view raw or flat)
Thread:
Lists: pgsql-hackers
thanks for the reply.  I will do a dump of the databases tonight (around 400GB of data)

Jim



---------- Original Message -----------
From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: jim(at)contactbda(dot)com
Cc: "pgsql-hackers" <pgsql-hackers(at)postgresql(dot)org>
Sent: Tue, 28 Sep 2004 17:42:04 -0400
Subject: Re: [HACKERS] System crash - invalid page header messages in log 

> "Jim Buttafuoco" <jim(at)contactbda(dot)com> writes:
> > One of my systems crashed today and when Postgres started it gave the
> > following warnings.  Is this OK?
> 
> Should theoretically be OK --- all of those pages were overwritten with
> valid data from WAL playback.  What you need to worry about more is
> whether the crash lost any pages that were *not* restored from the log
> (because they hadn't been modified lately).  I'd suggest running a
> pg_dump to see if any bad data turns up.
> 
> 			regards, tom lane
------- End of Original Message -------


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