| From: | Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org> |
|---|---|
| To: | David Steele <david(at)pgmasters(dot)net> |
| Cc: | Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com>, Edson Carlos Ericksson Richter <richter(at)simkorp(dot)com(dot)br>, Martin Marques <martin(dot)marques(at)2ndquadrant(dot)com>, "pgsql-general(at)postgresql(dot)org" <pgsql-general(at)postgresql(dot)org> |
| Subject: | Re: Does PostgreSQL check database integrity at startup? |
| Date: | 2017-12-26 21:58:47 |
| Message-ID: | 20171226215847.7elei2bexrfin2rs@alvherre.pgsql |
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| Thread: | |
| Lists: | pgsql-general |
David Steele wrote:
> pgBackRest will validate all page checksums (including indexes, etc.) in the
> cluster during backup. Full backups check everything, incr/differential
> backups check only the files that have changed.
If a table or index file is of zero length when backed up, as in the
described case, nothing will be checked, right? I mean, there is
nothing externally indicating that the file ought to be of a different
size. Am I wrong? So Edson's situation here would not raise any red
flags.
--
Álvaro Herrera https://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
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