On 2020/09/28 14:12, Hong Yao wrote: > Hi all > > I am setting up a standby server for my PG-12.4 primary server, following the doc https://www.postgresql.org/docs/12/warm-standby.html#STANDBY-SERVER-SETUP (26.2.4. Setting Up a Standby Server" > The OSes are CentOS-7.8 > > The steps on the standby:
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> * set restore command in postgresql.conf > o / restore_command = 'cp /var/pg_wal_archive/%f %p' / > o / archive_cleanup_command = 'pg_archivecleanup /var/pg_wal_archive %r'/
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> But in the standalone logs, i see following errors keep repeating: > > /cp: cannot stat ‘/var/pg_wal_archive/000000020000000000000014’: No such file or directory/ > /cp: cannot stat ‘/var/pg_wal_archive/00000003.history’: No such file or directory/
This is expected, as PostgreSQL is speculatively looking for files which may have arrived since the last check.
Per the documentation [1]:
"The command will be asked for file names that are not present in the archive"