If the MySQL server is running, stop it and delete the old InnoDB log files.

If you need to save your old InnoDB log files copy them to a directory of your choosing, backup-path before deletion.

sudo service mysqld stop
cp /var/lib/mysql/ib_logfile* backup-path
rm -rf /var/lib/mysql/ib_logfile*

In the MySQL configuration file (typically /etc/my.cnf), append the following properties at the end of the [mysqld] section. Set datadir to the directory your choice. This directory must have a minimum capacity of 500 GB.

key_buffer_size = 256M
max_allowed_packet = 32M
sort_buffer_size = 32M
## Do not add query_cache_size when using MySQL 8 as it is no longer valid
query_cache_size = 64M
max_connections = 500
max_connect_errors = 2000000000
open_files_limit = 10000
port-open-timeout = 121
expire-logs-days = 1
character_set_server = utf8
collation_server = utf8_unicode_ci
innodb_open_files = 2000
innodb_file_per_table = 1
innodb_data_file_path = ibdata1:100M:autoextend
## The innodb_buffer_pool_size depends on load and cluster size.
## On a dedicated machine, it can be 50% of the RAM size.
## Using 1G is the absolute minimum. For a large cluster, we use 48G.
innodb_buffer_pool_size = 4G
innodb_flush_method = O_DIRECT
innodb_log_file_size = 256M
innodb_log_buffer_size = 64M
innodb_flush_log_at_trx_commit = 2
innodb_lock_wait_timeout = 50
innodb_thread_concurrency = 20
innodb_read_io_threads = 16
innodb_write_io_threads = 4
binlog_format = mixed
## if SSD disk is used uncomment the line below
# innodb_io_capacity = 4000

Ensure MySQL server starts at boot time and then start the MySQL server

Check the used and free space on the volume specified by MySQL's datadir property in the MySQL configuration file (typically /etc/my.cnf) using the following commands:

sudo grep "^datadir=" /etc/my.cnf | awk -F"[=]" '{print $2}' | sudo xargs du -sh
sudo grep "^datadir=" /etc/my.cnf | awk -F"[=]" '{print $2}' | sudo xargs df -h