Hi Johnny,
Thanks you so much!
Your command fixed the problem beautifully. Now, MySQL can start
successfully. I can create and drop databases without problem. Thanks again.
Best,
Jia
Johnny Withers wrote:
I'm at work now, this is the cmd I used:
chcon -R -u system_u -r object_r -t mysql_db_t /data
(my data lives in /data/mysqlXX -- were XX is the server version)
On Wed, Aug 26, 2009 at 8:02 AM, Johnny Withers <joh...@pixelated.net
<mailto:joh...@pixelated.net>> wrote:
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
<mailto: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
<mailto: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
>
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>
>
--
-----------------------------
Johnny Withers
601.209.4985
joh...@pixelated.net <mailto:joh...@pixelated.net>
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-----------------------------
Johnny Withers
601.209.4985
joh...@pixelated.net <mailto:joh...@pixelated.net>
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