No you don't need to restart a service. You can change the size to what partition size you would like.if add ok, need restart server or ceph?
and defalut 1G need change big. forexample 10G?
Sorry, it tried to explain this before. But you need to read the docs.we no understand this 1G is running what. this 1G running log?
http://docs.ceph.com/docs/luminous/rados/configuration/bluestore-config-ref/
https://ceph.com/community/new-luminous-bluestore/
It seems there may be a Chinese translation for the ceph docs, if yo prefer to read it in a Chinese language.
https://github.com/drunkard/ceph-Chinese-doc
You would need to change the partition size for that.if we want add more, have easy config?