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Re: FATAL: SMgrRelation hashtable corrupted

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Hi,

On 2019-05-17 09:30:05 -0400, Tom Lane wrote:
> The good news is that the underlying ALTER TABLE bug is fixed in 11.3.
> The bad news is that your database is probably toast anyway --- an update
> won't undo the catalog corruption that is causing the WAL replay crash.
> I hope you have a recent backup to restore from.

Should there not be a backup, couldn't weaken the error checks during
replay a bit (locally), to allow replay to progress? The indexes will be
toast, but it ought to allow to recover the table data completely.

Greetings,

Andres Freund





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