From the Shares tab, select the Shares sub-catagory. We chose the Pictures share for this tutorial.
[[File:Greyhole_Options_1.png]]
Check the option for "Uses pool" and choose the number of drives to replicate this share. In this instance we have chosen to use all drives available to the greyhole pool.
Note: Greyhole is not a backup solution. If a file is removed, all copies are removed.