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Top Forums UNIX for Dummies Questions & Answers How to change database directory to another directory? Post 302723843 by ganitolngyundre on Tuesday 30th of October 2012 10:58:21 PM
Old 10-30-2012
How to change database directory to another directory?

Hi,

I Installed mysql on my CentOS 6.2 Server. But when I tried to change the location of /var/lib/mysql to another directory. I can't start the mysql. Below is what I've done
Code:
yum install mysql mysql-server mysql-devel
mkdir /path/to/new/
cp -R /var/lib/mysql /path/to/new
chown -R mysql.mysql /path/to/new
vi /etc/my.cnf

change datadir=/var/lib/mysql to
datadir=/path/to/new
Code:
service mysqld start
MySQL Daemon failed to start.
Starting mysqld:                                           [FAILED]

Did I miss something? Can anyone please help me on this, I'm a newbie in this field.

Thank you
Jay
 

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MYSQL_TZINFO_TO_S(1)					       MySQL Database System					      MYSQL_TZINFO_TO_S(1)

NAME
mysql_tzinfo_to_sql - load the time zone tables SYNOPSIS
mysql_tzinfo_to_sql arguments DESCRIPTION
The mysql_tzinfo_to_sql program loads the time zone tables in the mysql database. It is used on systems that have a zoneinfo database (the set of files describing time zones). Examples of such systems are Linux, FreeBSD, Solaris, and Mac OS X. One likely location for these files is the /usr/share/zoneinfo directory (/usr/share/lib/zoneinfo on Solaris). If your system does not have a zoneinfo database, you can use the downloadable package described in Section 10.6, "MySQL Server Time Zone Support". mysql_tzinfo_to_sql can be invoked several ways: shell> mysql_tzinfo_to_sql tz_dir shell> mysql_tzinfo_to_sql tz_file tz_name shell> mysql_tzinfo_to_sql --leap tz_file For the first invocation syntax, pass the zoneinfo directory path name to mysql_tzinfo_to_sql and send the output into the mysql program. For example: shell> mysql_tzinfo_to_sql /usr/share/zoneinfo | mysql -u root mysql mysql_tzinfo_to_sql reads your system's time zone files and generates SQL statements from them. mysql processes those statements to load the time zone tables. The second syntax causes mysql_tzinfo_to_sql to load a single time zone file tz_file that corresponds to a time zone name tz_name: shell> mysql_tzinfo_to_sql tz_file tz_name | mysql -u root mysql If your time zone needs to account for leap seconds, invoke mysql_tzinfo_to_sql using the third syntax, which initializes the leap second information. tz_file is the name of your time zone file: shell> mysql_tzinfo_to_sql --leap tz_file | mysql -u root mysql After running mysql_tzinfo_to_sql, it is best to restart the server so that it does not continue to use any previously cached time zone data. COPYRIGHT
Copyright (C) 1997, 2014, Oracle and/or its affiliates. All rights reserved. This documentation is free software; you can redistribute it and/or modify it only under the terms of the GNU General Public License as published by the Free Software Foundation; version 2 of the License. This documentation is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with the program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or see http://www.gnu.org/licenses/. SEE ALSO
For more information, please refer to the MySQL Reference Manual, which may already be installed locally and which is also available online at http://dev.mysql.com/doc/. AUTHOR
Oracle Corporation (http://dev.mysql.com/). MySQL 5.5 01/30/2014 MYSQL_TZINFO_TO_S(1)
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