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From: Johnny Withers (johnnypixelated.net)
Date: Tue Aug 25 2009 - 20:40:03 CDT
First, check the error log, if you can't find it, start mysql from the
cmd line by running safe_mysqld it should print errors to console.
If it is a permission issue, it might be caused be selinux, you'll
need to change the object type od that new directory to mysqld-
something. I can't recall the command. A google search on selinux and
mysql should produce good results.
On Tuesday, August 25, 2009, chen jia <chen.1002gmail.com> wrote:
> Hi there,
> I am using MySQL on ubuntu 8.04.
> I followed this link
> to change the data directory of MySQL.
> After stopping MySQL: sudo /etc/init.d/mysql stop
> I make a new directory: sudo mkdir /media/disk/MySQL_data
> then change the ownership of new directory, sudo chown mysql:mysql
> and copy all data to the new directory, cp -r -p /var/lib/mysql/*
> /media/disk/MySQL_data/ and deleted all files like ibdata1,
> ib_logfile0, and ib_logfile1.
> I then edit /etc/mysql/my.conf and update the "datadir" to my new
> directory. I also update /etc/apparmor.d/usr.sbin.mysql so that news
> lines with /var/lib/mysql replaced by /media/disk/MySQL_data are
> However, after sudo /etc/init.d/apparmor reload
> I try sudo /etc/init.d/mysql start
> I got
> * Starting MySQL database server mysqld
> If I change the "datadir" line in /etc/mysql/my.conf back to the
> original one, I can start MySQL successfully.
> I think I have done everything needed to change MySQL data directory.
> Why am I still getting this error? Where can I start to look for the causes?
> MySQL General Mailing List
> For list archives: http://lists.mysql.com/mysql
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