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Hi, If you can not reach pg_ctl command in bash also you are sure this command exists in your server, check $PATH. -bash-4.2$ echo $PATH /usr/local/bin:/bin:/usr/bin:/usr/local/sbin:/usr/sbin So, the directory of pg_ctl is not seem in PATH. Input directory of pg_ctl and check it then run it.

Hello, I would like to share my knowledge about how to get basebackup in PostgreSQL and with getting lots of errors and how to overcome it. So you should be ready to getting crash and doing stupid things and to be achieve! First of all, you need to make sure if your WAL archiving is enabled. You can look at Postgres.conf under cluster data file. Following steps you can connect your database as super user to continue but I'll use psql in bash. Access your environment and connect as postgres user and continue as bellow; [root@gunce]#sudo su - postgres -bash-4.2$ psql -d backup_test -c "select pg_start_backup(' backuptest ');"  pg_start_backup -----------------  0/F000028 (1 row) -bash-4.2$ tar -czf gunce.tar.gz data/* -C /var/lib/pgsql/9.6/ -bash-4.2$ psql -d  backup_test  -c "select pg_stop_backup();" NOTICE:  pg_stop_backup complete, all required WAL segments have been archived  pg_stop_backup ----------------  0/F000130 (...

Hi, This error mention that WAL Segments can not be archived, so you need to check archive_command is right to archive WAL.  NOTICE: pg_stop_backup cleanup done, waiting for required WAL segments to be archived  WARNING: pg_stop_backup still waiting for all required WAL segments to be archived (60 seconds elapsed)  HINT: Check that your archive_command is executing properly. pg_stop_backup can be cancelled safely, but the database backup will not be usable without all the WAL segments. archive_command can be as bellow row in your postgres.conf file; archive_command = '/bin/cp %p /var/lib/pgsql/archive/%f' the most important thing is if there is a directory for /var/lib/pgsql/archive/%f side. Check it out and reload your config file or restart your Postgresql server. Loves,

Hi, The reason getting bellow error is relevant your postgres.conf file. ERROR:  WAL level not sufficient for making an online backup HINT:  wal_level must be set to "replica" or "logical" at server start. If you faced it, you should check status of was_level and archive_mode in Postgres.conf file, you can find it under postgresql's data file. Check both of two rows in your file; wal_level = replica archive_mode = on Loves,