Yes, error 13, permission denied. Check selinux setup. I had this same problem last week on a CentOS machine. I had to change the object type of the new data dir to mysqld-something. I'm on a mobile phone and can't remember the exact cmd.
On Tuesday, August 25, 2009, Jia Chen <chen.1...@gmail.com> wrote: > I run sudo /etc/init.d/mysql start and check the syslog by running sudo tail > -f /var/log/syslog > > This is what I get > Aug 25 22:18:06 chenj-desktop mysqld_safe[10934]: started > Aug 25 22:18:06 chenj-desktop kernel: [11083.933531] type=1503 > audit(1251253086.020:43): operation="inode_create" requested_mask="a::" > denied_mask="a::" fsuid=0 > name="/home/chenj/MySQL_data/chenj-desktop.lower-test" pid=10936 > profile="/usr/sbin/mysqld" > Aug 25 22:18:06 chenj-desktop kernel: [11083.933581] type=1503 > audit(1251253086.020:44): operation="inode_create" requested_mask="a::" > denied_mask="a::" fsuid=0 > name="/home/chenj/MySQL_data/chenj-desktop.lower-test" pid=10936 > profile="/usr/sbin/mysqld" > Aug 25 22:18:06 chenj-desktop mysqld[10937]: 090825 22:18:06 [Warning] option > 'thread_stack': unsigned value 128 adjusted to 131072 > Aug 25 22:18:06 chenj-desktop mysqld[10937]: 090825 22:18:06 [Warning] Can't > create test file /home/chenj/MySQL_data/chenj-desktop.lower-test > Aug 25 22:18:06 chenj-desktop mysqld[10937]: 090825 22:18:06 [Warning] Can't > create test file /home/chenj/MySQL_data/chenj-desktop.lower-test > Aug 25 22:18:06 chenj-desktop mysqld[10937]: 090825 22:18:06 InnoDB: > Operating system error number 13 in a file operation. > Aug 25 22:18:06 chenj-desktop mysqld[10937]: InnoDB: The error means mysqld > does not have the access rights to > Aug 25 22:18:06 chenj-desktop mysqld[10937]: InnoDB: the directory. > Aug 25 22:18:06 chenj-desktop mysqld[10937]: InnoDB: File name ./ibdata1 > Aug 25 22:18:06 chenj-desktop mysqld[10937]: InnoDB: File operation call: > 'create'. > Aug 25 22:18:06 chenj-desktop mysqld[10937]: InnoDB: Cannot continue > operation. > Aug 25 22:18:06 chenj-desktop kernel: [11083.962674] type=1503 > audit(1251253086.048:45): operation="inode_create" requested_mask="a::" > denied_mask="a::" fsuid=110 name="/home/chenj/MySQL_data/ibdata1" pid=10936 > profile="/usr/sbin/mysqld" > Aug 25 22:18:06 chenj-desktop mysqld_safe[10944]: ended > Aug 25 22:18:20 chenj-desktop /etc/init.d/mysql[11094]: 0 processes alive and > '/usr/bin/mysqladmin --defaults-file=/etc/mysql/debian.cnf ping' resulted in > Aug 25 22:18:20 chenj-desktop /etc/init.d/mysql[11094]: > ^G/usr/bin/mysqladmin: connect to server at 'localhost' failed > Aug 25 22:18:20 chenj-desktop /etc/init.d/mysql[11094]: error: 'Can't connect > to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2)' > Aug 25 22:18:20 chenj-desktop /etc/init.d/mysql[11094]: Check that mysqld is > running and that the socket: '/var/run/mysqld/mysqld.sock' exists! > Aug 25 22:18:20 chenj-desktop /etc/init.d/mysql[11094]: > > Does this message tell me any thing about the problem? Thanks. > > Best, > Jia > > Johnny Withers wrote: > > 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.1...@gmail.com> wrote: > > > Hi there, > > I am using MySQL on ubuntu 8.04. > > I followed this link > http://www.ubuntu-howto.info/howto/how-to-move-mysql-databases-to-another-location-partition-or-hard-drive > 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 > /media/disk/MySQL_data > > 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 > added. > > However, after sudo /etc/init.d/apparmor reload > > I try sudo /etc/init.d/mysql start > > I got > * Starting MySQL database server mysqld > [fail] > > 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? > > Thanks. > > Jia > > -- > MySQL General Mailing List > For list archives: http://lists.mysql.com/mysql > To unsubscribe: http://lists.mysql.com/mysql?unsub=joh...@pixelated.net > > > > > > > > > -- ----------------------------- Johnny Withers 601.209.4985 joh...@pixelated.net -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe: http://lists.mysql.com/mysql?unsub=arch...@jab.org
