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Editor to share with you Xtrabackup recovery Times wrong 'Error: what to do about datadir must be specified', I believe most people don't know much about it, so share this article for your reference. I hope you can learn a lot after reading this article. Let's learn about it together.

An error was reported during recovery through xtrabackup

/ opt/percona-xtrabackup-2.4.4-Linux-x86_64/bin/innobackupex-- defaults-file=/data/opt/mysql02/db_bak/bak/2018-01-03-03-00-05/my.conf / data/opt/mysql02/db_bak/bak/2018-01-03-00-05 /-- copy-back

Xtrabackup Error: datadir must be specified

Reason for reporting an error:

The specified parameter file and backup file are in the same directory

Solution:

Store the parameter file in a directory other than the backup file

/ opt/percona-xtrabackup-2.4.4-Linux-x86_64/bin/innobackupex-- defaults-file=/etc/my_01.cnf-- apply-log / data/opt/mysql02/db_bak/bak/2018-01-03-00-05 /

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