[CentOS] MySQL Can't create file '/tmp/#sql2e0_98_0.frm' (errno: 9) problem

Thu Feb 13 20:21:17 UTC 2014
Ljubomir Ljubojevic <centos at plnet.rs>

On 02/13/2014 09:18 PM, Ljubomir Ljubojevic wrote:
> On 02/13/2014 08:49 PM, Les Mikesell wrote:
>> On Thu, Feb 13, 2014 at 1:06 PM, Ljubomir Ljubojevic <centos at plnet.rs> wrote:
>>>
>>> I have a strange problem.
>>>
>>> I installed cacti, and set it up.
>>>
>>> When I click on the Plugins Management, I noticed Error
>>> "FATAL: Database or Table does not exist"
>>>
>>> Further testing revealed that at the moment MySQL can not create
>>> temporary files in /tmp. It is same for ANY database!
>>>
>>> SELinux is disabled.
>>> I logged to mysql as root and error is same.
>>>
>>> Command used is:
>>> CREATE TEMPORARY TABLE IF NOT EXISTS plugin_temp_table LIKE bak_menu;
>>>
>>>
>>> Error is:
>>> ERROR 1004 (HY000): Can't create file '/tmp/#sql21f8_f3_0.frm' (errno: 9)
>>>
>>> What could be the problem, any idea how to proceed?
>>
>> http://bugs.mysql.com/bug.php?id=60574
>> The error may be on the source of the copy (bak_menu.frm) not in tmp.
>>
>
> This is interesting.
>
> I tested on cacti database and on 2 Joomla databases with same results.
> But there might be something there.
>
> Database changed
> mysql> CREATE TEMPORARY TABLE IF NOT EXISTS plugin_temp_table LIKE jos_menu;
> ERROR 1004 (HY000): Can't create file '/tmp/#sql21f8_f3_1.frm' (errno: 9)
> mysql> CREATE TEMPORARY TABLE barney (SELECT * FROM jos_menu WHERE 1=0);
> Query OK, 0 rows affected (0.01 sec)
> Records: 0  Duplicates: 0  Warnings: 0
>
> mysql> CREATE TEMPORARY TABLE IF NOT EXISTS plugintest LIKE jos_menu;
> ERROR 1004 (HY000): Can't create file '/tmp/#sql21f8_f3_3.frm' (errno: 9)
> mysql> CREATE TEMPORARY TABLE IF NOT EXISTS barney LIKE jos_menu;
> Query OK, 0 rows affected, 1 warning (0.00 sec)
>
> Changed name of table to create produced result, but with warning.
>

It looks like "IF NOT EXISTS" might be creating problems.



-- 
Ljubomir Ljubojevic
(Love is in the Air)
PL Computers
Serbia, Europe

StarOS, Mikrotik and CentOS/RHEL/Linux consultant