maria-discuss team mailing list archive

[Chris Adams <chris.a.adams@xxxxxxxxxxx>]

You are correct on both accounts. I am now informing myself about ‘journalctl’. Writing the logs to the datadir also worked.

Thank you for your help.

From: Guillaume Lefranc [mailto:guillaume.lefranc@xxxxxxxxxxx]
Sent: Tuesday, January 24, 2017 2:28 PM
To: Chris Adams <ChrisAdams@xxxxxxxxxxxxxxxxxxxxxxx>; maria-discuss@xxxxxxxxxxxxxxxxxxx
Subject: Re: [Maria-discuss] question about generating logs on MariaDB 10.1.21

Hi Chris,

In CentOS 7, error logs are handled by systemd.

Use the "journalctl -u mariadb.service" command to view them.

I have no idea what's wrong with the general logs though. Maybe that's some permission issue. Please check that the mysql user can write in /var/log/mysql. You might have success by changing the log path to your datadir, e.g. to /mnt/mysqldbs/mysql.log, since mysqld can always write in its own datadir.

Regards
GL

On Tue, Jan 24, 2017 at 11:04 PM Chris Adams <chris.a.adams@xxxxxxxxxxx<mailto:chris.a.adams@xxxxxxxxxxx>> wrote:
Hello,

I have just moved from a MySQL 5.6 server on CentOS 6.8 to a MariaDB 10.1.21 server on CentOS 7. It is installed and working.

I would like to set up some logging, but it has not gone as expected. I have binary logging working. However, I can’t generate general logs or error logs. Here is part of the /etc/my.cnf file:

user=mysql
port            = 3306
socket          = /var/lib/mysql/mysql.sock
datadir = /mnt/mysqldbs
log_error = /var/log/mysql/error.log
general_log_file = /var/log/mysql/mysql.log
general_log = 1
log_bin = /mnt/mysqldbs/logs/mysql-bin

I assume that after a restart, the logs will be generated, then logged to as events happen. As it is, no log files are generated.

Many thanks.
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Guillaume Lefranc
Remote DBA Services Manager
MariaDB Corporation