====== Upgrade using iUS ======

==== Enable iUS repository ====
Follow guide available at [[https://ius.io/GettingStarted/ | iUS ]]

==== Stop mariadb and install ====
<code bash>
systemctl stop mariadb
yum install yum-plugin-replace
yum replace mariadb-server --replace-with mariadb101u-server
</code>

==== Setup file limit for mariadb ====
File limit require to upgrade mariadb.
<code bash>
mkdir /etc/systemd/system/mariadb.service.d
</code>

<code ini /etc/systemd/system/mariadb.service.d/limit.conf>
[Service]
LimitNOFILE=320000
</code>

==== Start mariadb ====
<code bash>
systemctl start mariadb
</code>

==== Finalize Upgrade ====
<code bash>
mysqlcheck --no-defaults --check-upgrade --auto-repair --databases mysql -p
mysqlcheck --no-defaults --check-upgrade --all-databases --auto-repair --write-binlog -p
mysqlcheck --no-defaults --all-databases --fix-db-names --fix-table-names --write-binlog -p
mysql_upgrade
</code>