Re: Theory about XLogFlush startup failures

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: lockhart(at)fourpalms(dot)org
Cc: "Mikheev, Vadim" <vmikheev(at)SECTORBASE(dot)COM>, pgsql-hackers(at)postgreSQL(dot)org
Subject: Re: Theory about XLogFlush startup failures
Date: 2002-01-27 03:53:52
Message-ID: 25644.1012103632@sss.pgh.pa.us
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Thomas Lockhart <lockhart(at)fourpalms(dot)org> writes:
> If so, we should consider supporting some sort of error
> state that prevents further damage.

This seems reasonable (though I'd still question whether a bad LSN is
sufficient reason to force the whole database into read-only mode).

> Vadim's solution uses the only
> current mechanism available, which is to force the database to shut down
> until it can be evaluated.

But one of the big problems with his solution is that it gets in the way
of evaluating the problem. A read-only mode seems like a better way.

regards, tom lane

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