버전 확인

vagrant@slave1:~$ k exec -it mariadb-0 -- mariadb --version
Defaulted container "mariadb" out of: mariadb, init-mariadb (init)
mariadb from 11.6.2-MariaDB, client 15.2 for debian-linux-gnu (x86_64) using  EditLine wrapper

full backup

mariadb-dump 명령어 사용

vagrant@slave1:~$ k exec -i mariadb-0 -- mariadb-dump -uroot -psecret --all-databases > fb.sql
Defaulted container "mariadb" out of: mariadb, init-mariadb (init)

vagrant@slave1:~$ du -sh fb.sql
2.5M    fb.sql

Restore

k exec -i mariadb-0 -- mariadb -uroot -psecret  < fb.sql