【PostgreSQL】数据库备份与恢复(pg_rman)
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[root@wallet01 ~]# rpm -ivh pg_rman-1.3.8-1.pg96.rhel6.x86_64.rpm [root@wallet01 ~]# su - postgres [postgres@wallet01 ~]$ mkdir archive [postgres@wallet01 ~]$ mkdir backup [postgres@wallet01 ~]$ vi /var/lib/pgsql/9.6/data/postgresql.conf archive_mode = on archive_command = 'cp %p /home/postgres/archive/%f' wal_level = archive [postgres@wallet01 ~]$ pg_ctl restart waiting for server to shut down....... done server stopped server starting [postgres@wallet01 ~]$ export PGDATA=/var/lib/pgsql/9.6/data [postgres@wallet01 ~]$ export ARCLOG_PATH=/home/postgres/archive [postgres@wallet01 ~]$ export BACKUP_PATH=/home/postgres/backup [postgres@wallet01 ~]$ pg_rman init INFO: ARCLOG_PATH is set to '/home/postgres/archive' INFO: SRVLOG_PATH is set to '/var/lib/pgsql/9.6/data/pg_log' [postgres@wallet01 ~]$ pg_rman backup --backup-mode=full INFO: copying database files INFO: copying archived WAL files INFO: backup complete INFO: Please execute 'pg_rman validate' to verify the files are correctly copied. [postgres@wallet01 ~]$ pg_rman validate INFO: validate: "2019-04-12 16:02:15" backup and archive log files by CRC INFO: backup "2019-04-12 16:02:15" is valid [postgres@wallet01 ~]$ pg_rman show ===================================================================== StartTime EndTime Mode Size TLI Status ===================================================================== 2019-04-12 16:02:15 2019-04-12 16:03:21 FULL 1572MB 1 OK [postgres@wallet01 ~]$ pg_rman backup --backup-mode=incremental INFO: copying database files INFO: copying archived WAL files INFO: backup complete INFO: Please execute 'pg_rman validate' to verify the files are correctly copied. [postgres@wallet01 ~]$ pg_rman validate INFO: validate: "2019-04-12 16:15:12" backup and archive log files by CRC INFO: backup "2019-04-12 16:15:12" is valid [postgres@wallet01 ~]$ pg_rman show ===================================================================== StartTime EndTime Mode Size TLI Status ===================================================================== 2019-04-12 16:15:12 2019-04-12 16:15:17 INCR 248MB 1 OK 2019-04-12 16:02:15 2019-04-12 16:03:21 FULL 1572MB 1 OK [postgres@wallet01 ~]$ pg_rman backup --backup-mode=archive INFO: copying archived WAL files INFO: backup complete INFO: Please execute 'pg_rman validate' to verify the files are correctly copied. [postgres@wallet01 ~]$ pg_rman validate INFO: validate: "2019-04-12 16:30:04" archive log files by CRC INFO: backup "2019-04-12 16:30:04" is valid [postgres@wallet01 ~]$ pg_rman show ===================================================================== StartTime EndTime Mode Size TLI Status ===================================================================== 2019-04-12 16:30:04 2019-04-12 16:30:06 ARCH 33MB 1 OK 2019-04-12 16:15:12 2019-04-12 16:15:17 INCR 248MB 1 OK 2019-04-12 16:02:59 2019-04-12 16:03:21 FULL 1572MB 1 OK
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