• XtraBackup
• XtraBackup 버전
• 설치
• 백업/복구 실행
• 증분 백업/복구 실행

XtraBackup

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Percona에서 무료로 제공하는 database 핫 백업 도구 입니다.

XtraBackup 버전

XtraBackup 버전	MySQL 버전
동작 않음, MariaBackup 사용 권장	MariaDB 10.3
일부 비정상 동작	MariaDB 10.2
8.0	8.0
2.4	5.7
2.0 ~ 2.4	5.6
2.0 ~ 2.4	5.5
2.0	5.1

설치

• OS : CentOS 7
• DB : MariaDB 5.5
• XtraBackup 2.3.6

yum  -y  install  percona-xtrabackup

xtrabackup  --version
# xtrabackup version 2.3.6 based on MySQL server 5.6.24 Linux (x86_64) (revision id: )

vi  /etc/my.cnf
    [mysqld]
    innodb_log_file_size=5M
    
    [xtrabackup]
    datadir=/var/lib/mysql
    target_dir=/work/backup/

chown  -R  mysql:  /etc/my.cnf

백업/복구 실행

#--- 백업
innobackupex  --defaults-file=/etc/my.cnf  --user=root  --password=비밀번호  --no-lock  /work/backup/

ls  -alF  /work/backup/

#--- 복구
systemctl  stop  mariadb.service
rm  -rf  /var/lib/mysql/*

innobackupex  --defaults-file=/etc/my.cnf  --copy-back  /work/backup/2020-02-02_22-39-54
chown  -R  mysql:  /var/lib/mysql/*

ls  -alF  /var/lib/mysql/*
systemctl  start  mariadb.service

• InnoDB 백업을 위한 Percona Xtra Backup 간단 사용법

증분 백업/복구 실행

#--- Full 백업
xtrabackup  --defaults-file=/etc/my.cnf  --backup  --user=root  --password=비밀번호  --no-lock  --target-dir=/work/backup/fullbackup/

ls  -alF  /work/backup/

#--- Incremental(증분) 백업
xtrabackup  --defaults-file=/etc/my.cnf  --backup  --user=root  --password=비밀번호  --no-lock  --target-dir=/work/backup/incremental_20200202/  --incremental-basedir=/work/backup/fullbackup/

xtrabackup  --defaults-file=/etc/my.cnf  --backup  --user=root  --password=비밀번호  --no-lock  --target-dir=/work/backup/incremental_20200203/  --incremental-basedir=/work/backup/incremental_20200202/

#--- 복구 준비
xtrabackup  --prepare  --apply-log-only  --target-dir=/work/backup/fullbackup/

xtrabackup  --prepare  --apply-log-only  --target-dir=/work/backup/fullbackup/  --incremental-dir=/work/backup/incremental_20200202/
xtrabackup  --prepare  --apply-log-only  --target-dir=/work/backup/fullbackup/  --incremental-dir=/work/backup/incremental_20200203/

#--- 복구
cd  /work/backup/fullbackup/
rsync  -rvt  --exclude  'xtrabackup_checkpoints'  --exclude  'xtrabackup_logfile'  ./  /var/lib/mysql
chown  -R  mysql:mysql  /var/lib/mysql/

#--- Binary log로 복구
mysqlbinlog  --start-datetime="2020-02-02 01:00:00"  --stop-datetime="2020-02-02 16:00:00"  mysql-bin.000541  >> restore.log

mysql  -u~  -p~  ${DATABASE}  <  restore.log

Last modified, 2020.02.02 ~ 2020.02.02, version 0.01

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