affabox:/var/affa/prodsvr/scheduled.0/home/e-smith/db# ls -al
drwxr-x---  2 root  root             4096 Jun 26 07:15 mariadb105
drwxr-x---  3 root  root             4096 Jun 26 07:15 mysql
affabox:/var/affa/prodsvr/scheduled.0/home/e-smith/db/mariadb105# ls -al
-rw-r--r-- 1 root root   1386835 Jun 26 07:15 mysql.dump
-rw-r--r-- 1 root root 285408813 Jun 26 07:15 nextcloud.dump
My setup is similar, but without the mariadb105 dir.  I assume this is because my system is using mysql instead.  Is maraiadb preferable nowdays?
affabox:/var/affa/prodsrv/scheduled.0/home/e-smith/db# ls -la
drwxr-x---  2 root  root     101 Jun 26 06:30 mysql
affabox:/var/affa/prodsrv/scheduled.0/home/e-smith/db/mysql# ls -la
-rw-r--r-- 1 root root    512862 Jun 26 06:30 mysql.dump
-rw-r--r-- 1 root root 750382116 Jun 26 06:30 nextcloud.dump