How do I restore percona Xtrabackup?
How do I restore percona Xtrabackup?
Restoring a Backup
- $ xtrabackup –copy-back –target-dir=/data/backups/ If you don’t want to save your backup, you can use the xtrabackup –move-back option which will move the backed up data to the datadir.
- $ rsync -avrP /data/backup/ /var/lib/mysql/
- $ chown -R mysql:mysql /var/lib/mysql.
Which type of backup and restore for percona Xtrabackup and restore?
Note that xtrabackup backs up only the InnoDB data. You must separately restore the MySQL system database, MyISAM data, table definition files (. frm files), and everything else necessary to make your database functional – or innobackupex can do it for you.
How do I uncompress Xtrabackup?
Percona XtraBackup has implemented –decompress option that can be used to decompress the backup.
- $ xtrabackup –decompress –target-dir=/data/compressed/
- $ xtrabackup –prepare –target-dir=/data/compressed/
- InnoDB: Starting shutdown…
Is percona Xtrabackup free?
Percona XtraBackup is a free, online, open source, complete database backups solution for all versions of Percona Server for MySQL and MySQL®.
What is Innobackupex?
innobackupex is the tool which provides functionality to backup a whole MySQL database instance using the xtrabackup in combination with tools like xbstream and xbcrypt.
How do I install Xtrabackup?
Installing Percona XtraBackup from Percona apt repository
- Install the downloaded package with dpkg. To do that, run the following commands as root or with sudo:
- Remember to update the local cache: $ sudo apt-get update.
- After that you can install the package: $ sudo apt-get install percona-xtrabackup.
How do I create a backup in MySQL?
Step 1: Create a MySQL Database Backup
- Open phpMyAdmin. On the directory tree on the left, click the database you want to back up.
- Click Export on the menu across the top of the display. You’ll see a section called “Export Method.” Use Quick to save a copy of the whole database.
- Click Go.
How do I use percona XtraBackup?
Set up your environment
- Install Percona XtraBackup.
- Set up a Google Cloud project and install the Cloud SDK.
- Create backup user accounts.
- Prepare your environment.
- Perform a full backup.
- Perform an incremental backup.
- Upload your backups to Cloud Storage.
- Set up automatic file pruning in Cloud Storage.
What is percona backup?
Percona XtraBackup is an open-source hot backup utility for MySQL – based servers that doesn’t lock your database during the backup. It can back up data from InnoDB, XtraDB, and MyISAM tables on MySQL 5.1 [1], 5.5, 5.6 and 5.7 servers, as well as Percona Server for MySQL with XtraDB.
How do I restore Innobackupex?
To restore the already-prepared backup, first stop the server and then use the innobackupex –copy-back function of innobackupex: innobackupex –copy-back /data/backups/2010-03-13_02-42-44/ ## Use chmod to correct the permissions, if necessary!
How does percona XtraBackup work?
XtraBackup works by remembering the log sequence number (LSN) when it starts, and then copying away the data files. During this step, XtraBackup performs crash recovery against the copied data files, using the copied transaction log file. After this is done, the database is ready to restore and use.
Where is Mysqldump stored?
The mysqldump tool is located in the root/bin directory of the MySQL installation directory.
How to restore a backup with Percona Xtra backup?
To restore a backup with xtrabackup you can use the –copy-back or –move-back options. xtrabackup will read from the my.cnf the variables datadir , innodb_data_home_dir, innodb_data_file_path , innodb_log_group_home_dir and check that the directories exist.
Where is the stderr in Percona xtrabackup?
Note that the STDERR of xtrabackup is not written in any file. You will have to redirect it to a file, e.g., xtrabackup OPTIONS 2> backupout.log. It will also create the following files in the directory of the backup.
How to backup and restore sbtest2 table in Percona?
Here we will take the backup of the sbtest2 table and restore it. The initial checksum of the table is given below: XtraBackup copies the table file sbtest2.ibd in the backup directory (dbbackup_PS8_table/test) along with other files required to prepare the backup.
How to exclude a database from a Percona backup?
To exclude a database from the backup, use the option –databases-exclude. Prepare the backup using –export option. Now remove the tablespace of all InnoDB tables in the database using ALTER TABLE DISCARD TABLESPACE.
