[CentOS] chcon failed to change context Permission denied

Am 10.02.2017 um 16:59 schrieb Tim Smith:
> Hi,
>
> I'm confused, why can root not change context of a directory ?
>
> I've moved a mysql dir from /var/lib to another drive.
>
> But running sudo chcon -R -t mysqld_t ./mysql
>
> Yields a screen full of messages such as
>
> chcon: failed to change context of ‘schema_table_lock_waits.frm’ to
> ‘system_u:object_r:mysqld_t:s0’: Permission denied
>
> (and yes, mysql was shut down before the move and is till shut down).

Because mysqld_t is a process type and the proper file context would be 
mysqld_db_t?

Alexander