Re: Online enabling of checksums

Hi,

Am Sonntag, den 04.03.2018, 23:30 +0100 schrieb Daniel Gustafsson:
> Agreed.  Looking at our current error messages, “in file” is conventionally
> followed by the filename.  I do however think “calculated” is better than
> “expected” since it conveys clearly that the compared checksum is calculated by
> pg_verify_checksum and not read from somewhere.
> 
> How about something like this?
> 
> _(“%s: checksum mismatch in file \”%s\”, block %d: calculated %X, found %X”),
> 	progname, fn, blockno, csum, header->pd_checksum);

I still find that confusing, but maybe it's just me. I thought the one
in the pageheader is the "expected" checksum, and we compare the "found"
or "computed/calculated" (in the page itself) against it.

I had the same conversation with an external tool author, by the way:

https://github.com/uptimejp/postgres-toolkit/issues/48



Michael

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