how can i turn on Inline zero-block deduplication without Inline deduplication pn ONTAP 9.1?

Hi.

The following TR recommends to enable "Inline zero-block deduplication" for file services on HDD, but unlike other type of workloads and disks not "Inline deduplication"

https://www.netapp.com/us/media/tr-4476.pdf

The only problem. is that i can;'t find how to do it. without enabling inline dedupe

http://docs.netapp.com/ontap-9/index.jsp?topic=%2Fcom.netapp.doc.dot-cm-cmpr-910%2FTOC__volume__efficiency__policy.html

http://docs.netapp.com/ontap-9/index.jsp?topic=%2Fcom.netapp.doc.dot-cm-cmpr-910%2Fvolume__efficiency__modify.html

Any Idea ?

Thanks