Re: Start mysqld 5.7.7 with new disk

Am 23.12.2015 um 14:11 schrieb Jørn Dahl-Stamnes:
> I had to replace the datadisk where mysql had its innodb files.
>
> But after I had added a new disk I'm not able to initialize mysql files any more:
>
> # mysqld --initialize --user=mysql
> 2015-12-23T13:07:08.216472Z 0 [ERROR] Plugin 'InnoDB' init function returned error.
> 2015-12-23T13:07:08.216556Z 0 [ERROR] Plugin 'InnoDB' registration as a STORAGE ENGINE failed.
> 2015-12-23T13:07:08.216577Z 0 [ERROR] Failed to initialize plugins.
> 2015-12-23T13:07:08.216595Z 0 [ERROR] Aborting
>
> I have created the directories stored in my /etc/my.cnf and changed group and ownership to the
> directories to mysql:mysql

man mysql_install_db

NAME
        mysql_install_db - initialize MariaDB data directory

SYNOPSIS
        mysql_install_db [options]

DESCRIPTION
        mysql_install_db initializes the MariaDB data directory and 
creates the system tables that it contains, if they do not exist.

        To invoke mysql_install_db, use the following syntax:

            shell> mysql_install_db [options]

        Because the MariaDB server, mysqld, needs to access the data 
directory when it runs later, you should either run mysql_install_db 
from the same account that will be used for running mysqld or run it
        as root and use the --user option to indicate the user name that 
mysqld will run as. It might be necessary to specify other options such 
as --basedir or --datadir if mysql_install_db does not use
        the correct locations for the installation directory or data 
directory. For example:

            shell> bin/mysql_install_db --user=mysql \
                     --basedir=/opt/mysql/mysql \
                     --datadir=/opt/mysql/mysql/data

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