Thanks,

that does the trick. Thanks again to everybody!

Phil

Am 28.01.12 22:04, schrieb Phong X Nguyen:
> You need to specify the socket for the mysql client using the --socket=path option. You changed it in my.cnf (so either move it back - it probably belongs in /var/lib/mysql - or specify it every time).
>
> On 28 Jan 2012, at 1458, Philipp Schiffer wrote:
>
>> Hi everybody,
>>
>> thanks to fast help from several people mysql starts up:
>> Starting mysqld:                                           [  OK  ]
>> I had to "chcon -t var_t /data" to allow mysql to get through to /data, so special thanks to Chris and Stephan for that one.
>> Anyway, now trying to get into mysql (as root) I do get
>> ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (2)
>> and don't understand why that should be. Any suggestions?
>>
>> Best
>>
>> Phil
>>
>> Am 28.01.12 21:31, schrieb Philipp Schiffer:
>>> Hi!
>>>
>>> Populating my mysql on SL6.1 with biological data I ran into my primary
>>> SSDs limit and thus tried to move the location to another disk (HD). So
>>> I sudo cp -R'ed everything from /var/lib/mysql to /data/mysqldata and
>>> changed the permissions accordingly
>>> drwxr-xr-x. 10 mysql mysql 4096 Jan 28 12:20 mysqldata
>>> and inside mysqldata
>>> drwx------. 2 mysql mysql 4096 Jan 28 12:20 b2g
>>> -rw-r-----. 1 mysql mysql 178257920 Jan 28 20:50 ibdata1
>>> -rw-r-----. 1 mysql mysql 5242880 Jan 28 20:50 ib_logfile0
>>> -rw-r-----. 1 mysql mysql 5242880 Jan 28 20:50 ib_logfile1
>>> drwx------. 2 mysql mysql 4096 Jan 28 12:20 mysql
>>> drwx------. 2 mysql mysql 4096 Jan 28 12:20 orthotest
>>> Then went on to modify /etc/my.cnf to
>>> [mysqld]
>>> #datadir=/var/lib/mysql
>>> datadir=/data/mysqldata
>>> #socket=/var/lib/mysql/mysql.sock
>>> socket=/data/mysqldata/mysql.sock
>>> user=mysql
>>> # Disabling symbolic-links is recommended to prevent assorted security
>>> risks
>>> symbolic-links=0
>>> #basedir=/data
>>>
>>> [mysqld_safe]
>>> log-error=/var/log/mysqld.log
>>> pid-file=/var/run/mysqld/mysqld.pid.
>>>
>>> Having stopped the server before doing all this I now started again, but
>>> it failed to work. less /var/log/mysqld.log says:
>>> 120128 21:03:08 mysqld_safe mysqld from pid file
>>> /var/run/mysqld/mysqld.pid ended
>>> 120128 21:09:06 mysqld_safe Starting mysqld daemon with databases from
>>> /data/mysqldata
>>> 120128 21:09:06 [Warning] Can't create test file
>>> /data/mysqldata/superrechenknecht.lower-test
>>> 120128 21:09:06 [Warning] Can't create test file
>>> /data/mysqldata/superrechenknecht.lower-test
>>> ^G/usr/libexec/mysqld: Can't change dir to '/data/mysqldata/' (Errcode: 13)
>>> 120128 21:09:06 [ERROR] Aborting
>>>
>>> 120128 21:09:06 [Note] /usr/libexec/mysqld: Shutdown complete
>>>
>>> 120128 21:09:06 mysqld_safe mysqld from pid file
>>> /var/run/mysqld/mysqld.pid ended
>>>
>>> Tried to set a symbolic link from /var/lib/mysql ->  /data/mysqldata but
>>> that failed to work as well (actually why can't I change the ownership
>>> of the link from root:root to mysql:mysql?). Finally reading up on
>>> SElinux I edited my new mysql directory /data/mysqldata to look the same
>>> as the original mysql folder:
>>> drwxr-xr-x. mysql mysql system_u:object_r:mysqld_db_t:s0 mysqldata
>>> drwxr-xr-x. mysql mysql system_u:object_r:mysqld_db_t:s0 mysql_old
>>>
>>> and within mysqldata:
>>> drwx------. mysql mysql system_u:object_r:mysqld_db_t:s0 b2g
>>> -rw-r-----. mysql mysql unconfined_u:object_r:mysqld_db_t:s0 ibdata1
>>> -rw-r-----. mysql mysql unconfined_u:object_r:mysqld_db_t:s0 ib_logfile0
>>> -rw-r-----. mysql mysql unconfined_u:object_r:mysqld_db_t:s0 ib_logfile1
>>> drwx------. mysql mysql unconfined_u:object_r:mysqld_db_t:s0 mysql
>>> drwx------. mysql mysql unconfined_u:object_r:mysqld_db_t:s0 orthotest
>>> drwx------. mysql mysql system_u:object_r:mysqld_db_t:s0 sknstuff_insp
>>>
>>> However, even that does leads to the same error messages in the log file
>>> and I am really at a loss. Any help with this would be highly
>>> appreciated (especially as I need a working db quite urgently).
>>>
>>> Tschöö
>>>
>>> Philipp
>