SELECT pg_is_in_backup() 或 SHOW ENGINE INNODB STATUS 确认无长事务。xtrabackup --backup --target-dir=/bak/full/2025-09-02_00-00 --parallel=8 --compress --encrypt=AES256 --encrypt-key-file=/etc/keyfilepgbackrest --stanza=prod --type=full backup --process-max=8rman target / [EOF
CONFIGURE CONTROLFILE AUTOBACKUP ON;
BACKUP DATABASE PLUS ARCHIVELOG FORMAT '/bak/full/%d_%T_%U.bkp';
EOFxtrabackup --prepare 或 pgbackrest check,校验页 checksum。rman validate 对 Oracle 备份集做交叉校验。rclone sync --s3-upload-cutoff 64M --transfers 64 把目录推送到对象存储,启用 MD5 校验。CREATE USER 'bkpuser'@'localhost' IDENTIFIED BY 'Str0ngP@ss!';
GRANT RELOAD, LOCK TABLES, PROCESS, REPLICATION CLIENT ON *.* TO 'bkpuser'@'localhost';CREATE USER bkpuser WITH PASSWORD 'Str0ngP@ss!';
ALTER USER bkpuser CREATEDB;
GRANT pg_read_all_settings, pg_read_all_stats TO bkpuser;CREATE USER rman_backup IDENTIFIED BY Str0ngP@ss;
GRANT SYSBACKUP TO rman_backup;yum install percona-xtrabackup-80 -y apt install pgbackrest -y xtrabackup --user=bkpuser --password='Str0ngP@ss!' \
--backup --target-dir=/bak/full/$(date +%F) \
--compress --parallel=8pgbackrest --stanza=main --type=full backup rman target / [EOF
RUN {
ALLOCATE CHANNEL c1 DEVICE TYPE DISK FORMAT '/bak/full/%d_%T_%U.bkp';
BACKUP DATABASE PLUS ARCHIVELOG;
RELEASE CHANNEL c1;
}
EOFcrontab -e
# 每天 02:00 差异备份
0 2 * * * /usr/local/bin/diff_backup.sh
# 每 15 min 归档增量
* /15 * * * * /usr/local/bin/inc_backup.sh# 校验
xtrabackup --prepare --target-dir=/bak/full/$(date +%F)
# 上传
rclone sync /bak/full/$(date +%F) remote:s3bucket/full/$(date +%F) -Pxtrabackup --copy-back --target-dir=/bak/full/2025-09-02
chown -R mysql:mysql /var/lib/mysql
systemctl start mysqldpgbackrest --stanza=main --delta restore
systemctl start postgresql- job_name: mysql_backup
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