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On 25/01/17 10:49, Chris Adams wrote:
Yes, I had considered Selinux as the problem. However, I had temporarily set it to 'permissive', then 'disabled', and that made no difference.
-----Original Message----- From: Maria-discuss [mailto:maria-discuss-bounces+chris.a.adams=state.or.us@lists.launchpad.net] On Behalf Of Daniel Black Sent: Tuesday, January 24, 2017 3:00 PM To: maria-discuss@lists.launchpad.net Subject: Re: [Maria-discuss] question about generating logs on MariaDB 10.1.21
On 25/01/17 09:27, Guillaume Lefranc wrote:
Hi Chris,
In CentOS 7, error logs are handled by systemd.
Use the "journalctl -u mariadb.service" command to view them.
Now that you know where the logs are you will need to read them to resolve your issue. Show this information here if you need help. Use other options here to get a more complete history. You potentially also have a broken logrotate scripts. Use lsof -p $(pidof mysqld) to examine if mysqld had file descriptors pointing to log files that have been deleted. Aside, logging the general log on a default setting is quite IO intensive and I've rarely seen a benefit.
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
That was my thoughts also. Watch out for selinux permissions also:
These are easy enough to correct without turning selinux off permanently:
https://blogs.oracle.com/jsmyth/entry/selinux_and_mysql
On Tue, Jan 24, 2017 at 11:04 PM Chris Adams
mailto:chris.a.adams@state.or.us> wrote: Hello,____
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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. ____
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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:____
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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____
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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. ____
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Many thanks. ____
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-- Guillaume Lefranc Remote DBA Services Manager MariaDB Corporation
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