Re: could not write block & xlog flush request 3FD/0 is not satisfied

From: "Kevin Grittner" <Kevin(dot)Grittner(at)wicourts(dot)gov>
To: <pgsql-hackers(at)postgresql(dot)org>, <weissig(at)rbg(dot)informatik(dot)tu-darmstadt(dot)de>
Subject: Re: could not write block & xlog flush request 3FD/0 is not satisfied
Date: 2011-05-08 15:38:14
Message-ID: 4DC67296020000250003D3EA@gw.wicourts.gov
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Yves Weißig wrote:

> my experimental index which I am developing still has some
> problems. Perhaps the list has some advices or hints where this
> error might occur:
>
> WARNING: could not write block 6 of base/459204/483963
> DETAIL: Multiple failures --- write error might be permanent.
>
> directly followed by an:
>
> ERROR: xlog flush request 3FD/0 is not satisfied --- flushed only
> to 0/20E2DC4
> CONTEXT: writing block 6 of relation base/459204/483963
>
> So far my index worked for small relations, up to 1.000 tuples, now
> with a relation of 1.000.000 tuples I am running into these
> problems.

Is there any chance you're running out of disk space?

If not, what OS is this? What sort of storage system do you have?

-Kevin

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