Does PostgreSQL check database integrity at startup?

From: Edson Carlos Ericksson Richter <richter(at)simkorp(dot)com(dot)br>
To: "pgsql-general(at)postgresql(dot)org" <pgsql-general(at)postgresql(dot)org>
Subject: Does PostgreSQL check database integrity at startup?
Date: 2017-12-26 12:52:30
Message-ID: 1e5f1c84-7a65-331e-3d4b-fce95a5e8fc4@simkorp.com.br
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Recently I had a problem with a base file with size 0 in a standby server.

This raised one question: does PostgreSQL (9.6.6) check base integrity
at startup?

At least if there are 0 byte size files in base dir? Or CRC? Something?

Regards,

--

*Edson Carlos Ericksson Richter*
/SimKorp Ltda/
Fone: (51) 3366-7964
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