On Tue, Apr 3, 2018 at 7:13 PM, Andres Freund <and...@anarazel.de> wrote:

> On 2018-04-03 11:52:26 +0000, Magnus Hagander wrote:
> > Validate page level checksums in base backups
> >
> > When base backups are run over the replication protocol (for example
> > using pg_basebackup), verify the checksums of all data blocks if
> > checksums are enabled. If checksum failures are encountered, log them
> > as warnings but don't abort the backup.
> >
> > This becomes the default behaviour in pg_basebackup (provided checksums
> > are enabled on the server), so add a switch (-k) to disable the checks
> > if necessary.
> >
> > Author: Michael Banck
> > Reviewed-By: Magnus Hagander, David Steele
> > Discussion: https://postgr.es/m/20180228180856.GE13784@
> nighthawk.caipicrew.dd-dns.de
>
> Hm, something isn't quite right with the test:
> https://buildfarm.postgresql.org/cgi-bin/show_log.pl?nm=
> pogona&dt=2018-04-03%2016%3A10%3A01
>
> # WARNING:  6 total checksum verification failures
> # pg_basebackup: checksum error occured
> # '
> #     doesn't match '(?^s:^WARNING.*7 total checksum verification
> failures)'
>

Yeah, there's clearly a second problem here.

I'm stuck in meetings most of tonight, so I might not get to it right away.
If someonen else figures it out meanwhile please do, otherwise I'll get to
it as soon as I can.


-- 
 Magnus Hagander
 Me: https://www.hagander.net/ <http://www.hagander.net/>
 Work: https://www.redpill-linpro.com/ <http://www.redpill-linpro.com/>

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