Re: FATAL Error

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Matt <matthew(at)zeut(dot)net>
Cc: pgsql general <pgsql-general(at)postgresql(dot)org>
Subject: Re: FATAL Error
Date: 2006-08-08 01:46:57
Message-ID: 24365.1155001617@sss.pgh.pa.us
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Matt <matthew(at)zeut(dot)net> writes:
> I'm getting the following error on PGSQL 8.0.8 server that I admin. I
> don't think this is a hardware problem but I'm not sure. Anyway in the
> logfile I'm constantly getting this:

> ERROR: xlog flush request 2/13CEA8AC is not satisfied --- flushed only
> to 2/13634EE4
> CONTEXT: writing block 3421 of relation 1663/9533957/9534098

This indicates that the LSN word of that block contains 2/13CEA8AC,
which is impossibly large if WAL currently extends only to 2/13634EE4.
Have you had any crashes or other odd behavior recently?
What files do you see in $PGDATA/pg_xlog/? Can you grab a copy of
pg_filedump and look at what the block contains on-disk?

regards, tom lane

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