On 8/21/2016 8:27 PM, Tatsuki Kadomoto wrote:
>
>
> I see incorrect checksum detected on "global/pg_filenode.map" when
> "VACUUM FULL" is executed.
>
> The error message didn't repeat. It showed up only once.
>
> Is this expected? Can someone give me a plausible scenario why this
> happened?
>
>
> Aug 16 20:51:19 postgres[22329]: [2-1] FATAL: relation mapping file
> "global/pg_filenode.map" contains incorrect checksum
>
>
> It looks like it's pretty rare and I have seen it only once at 2
> different machines.
>
>
> PosgreSQL version is 9.2.4.
>
>
that suggests unreliable hardware. does this server not have ECC memory ?
--
john r pierce, recycling bits in santa cruz