Change bitcask data_root directory

I have yesy riak(riak-cs too) with one node. I add some files in bucket. Now i decide to change data_root directory so i copy/paste bitcask folder, Riak, riak-cs and stanchion started, but i can get only list of objects. How to update data_root for exsiting files? Or should i recreate buckets and u

riak cs and n_val=1

Hi. I'm making small riak cs storage with single node. I configured CS and KV in accordance with guide. But every file takes up to three times more space. Is it happening because n_val =3 by default? But why all three replicas store in one node? ___ riak-