March 2019 - docs - lists.mariadb.org

[Maria-docs] --apply-log-only option is missing
by Thomas Janssens 29 Mar '19

29 Mar '19

On the following page https://mariadb.com/kb/en/library/mariabackup-options the --apply-log-only option is missing. For example, on this page: https://mariadb.com/kb/en/library/incremental-backup-and-restore-with-maria… we can find a link to: https://mariadb.com/kb/en/mariabackup-options/#-apply-log-only which doesn't show the desired content as the option is not mentioned. Thomas

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[Maria-docs] Restoring backup: instructions
by Thomas Janssens 29 Mar '19

29 Mar '19

Hello, This page contains instructions on how to restore a backup: https://mariadb.com/kb/en/library/full-backup-and-restore-with-mariabackup/… 1. stop MariaDB: # systemctl stop mariadb.service 2. datadir must be empty: # rm -rf /var/lib/mysql/ 3. run mariabackup: #mariabackup --copy-back --target-dir=/var/mariadb/backup/ 4. fix permissions: # chown -R mysql:mysql /var/lib/mysql/ 5. start MariaDB: # systemctl start mariadb.service mariabackup said "completed OK!" and I see that datadir contains the restored data. However, when following these instructions, I can't start MariaDB anymore. I have the following error: mar 29 07:06:49 myhostname mysqld[11359]: 2019-03-29 7:06:49 0 [ERROR] Plugin 'InnoDB' init function returned error. mar 29 07:06:49 myhostname mysqld[11359]: 2019-03-29 7:06:49 0 [ERROR] Plugin 'InnoDB' registration as a STORAGE ENGINE failed. mar 29 07:06:49 myhostname mysqld[11359]: 2019-03-29 7:06:49 0 [Note] Plugin 'FEEDBACK' is disabled. mar 29 07:06:49 myhostname mysqld[11359]: 2019-03-29 7:06:49 0 [ERROR] Could not open mysql.plugin table. Some plugins may be not loaded mar 29 07:06:49 myhostname mysqld[11359]: 2019-03-29 7:06:49 0 [ERROR] Unknown/unsupported storage engine: InnoDB mar 29 07:06:49 myhostname mysqld[11359]: 2019-03-29 7:06:49 0 [ERROR] Aborting mar 29 07:06:49 myhostname systemd[1]: mariadb.service: main process exited, code=exited, status=1/FAILURE mar 29 07:06:49 myhostname systemd[1]: Failed to start MariaDB 10.3.13 database server. mar 29 07:06:49 myhostname systemd[1]: Unit mariadb.service entered failed state. mar 29 07:06:49 myhostname systemd[1]: mariadb.service failed. Is there something missing in the documentation? Thomas

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[Maria-docs] Obsolete TokuDB page?
by Federico Razzoli 08 Mar '19

08 Mar '19

Hi list, This page:https://mariadb.com/kb/en/library/tokudb-differences/ looks quite obsolete. If nothing else, because there is no version distributed by TokuTek, because there is no TokuTek anymore. Percona and Percona Server are not even mentioned in the page. I have no idea if the listed differences are up to date, but I guess it would be worth a check... Cheers,Federico

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