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I'm trying to move my mysql data files to another folder. So far, I have:

  • cp'ed all folders (not files) from /var/lib/mysql to /my/new/path
  • chown (recursively) /my/new/path to mysql:mysql
  • corrected entries in /etc/apparmor.d/usr.sbin.mysqld (two lines)
  • corrected datadir in /etc/mysql/my.cnf
  • service apparmor restart, service mysql restart

And still, the /var/log/mysql/error.log says it can't create the /my/new/path/manisto-desktop.pid. What am I missing here? By the way, I'm running Ubuntu 10.10.

EDIT: The exact error is:

[ERROR] /usr/sbin/mysqld: Can't create/write to file '/my/new/path/manisto-desktop.pid' (Errcode: 13)
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