Apr 292020

Last night the MySQL server instance in my dbclone jail stopped working. This is the jail into which copies of all my databases eventually go for test restores and backups.

This morning I tried started it:

[dan@dbclone:~] $ sudo service mysql-server start
/usr/local/etc/rc.d/mysql-server: WARNING: failed precmd routine for mysql

My initial search suggested removing /var/db/mysql (this will lose all your data). Since this was a testing server, I tried it. No success.

I tried permissions:

service mysql-server stop # make sure it's not running
rm -rf /var/db/mysql/*
chown mysql:mysql /var/db/mysql # In case the permissions are wrong
service mysql-server start


I tried moving away my configuration file:

sudo cp -i /usr/local/etc/mysql/my.cnf /usr/local/etc/mysql/my.cnf.precmd.fails
sudo cp -i /usr/local/etc/mysql/my.cnf.sample /usr/local/etc/mysql/my.cnf

No luck.

What did work

This worked.

This loses your configuration and your data.

sudo pkg delete mysql57-server
sudo rm -rf /usr/local/etc/mysql
sudo rm -rf /var/db/mysql
sudo pkg install mysql57-server
sudo service mysql-server start

What a bunch of wasted time.

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