Previous versions where not in cache and are no longer in officials
mirrors.

Compatibility with runner config is to be checked

If disk is mounted in folder like /data/data* and formated by slapformat
as /data/data*/slappart* for each partition, create a symlink
instance_root/DATA/data* to allow process of partition to write in
in the mounted disk.

Set tap network information in a dict if they are defined