> > > Now thinking about it, the guy had corrupt table, not WAL log.
> > > How is WAL->tables synched?  Does the 'wal_sync_method' 
> > > affect it or not?
> > 
> > I *think* it always fsyncs() there as it is now, but I'm 
> not 100% sure.
> 
> wal_sync_method is also used to flush pages during a 
> checkpoint, so it could lead to table corruption too, not 
> just WAL corruption.
> 
> However, on Unix, 99% of corruption is caused by bad disk or RAM.

... or iDE disks with write cache enabled. I've certainly seen more than
what I'd call 1% (though I haven't studied it to be sure) that's because
of write-cached disks...

//Magnus

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