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 # playbook for installing gluster 6.1.
+This role installs the necessary packages for gluster. It does not create any volume. An example is shown below on how to create a 2 replica volume with 1 arbiter.
 
 ## Nodes
-This role sets up 3 servers. All have a secondary data disk attached.
+This role sets up 3 servers. All have a secondary data disk attached. They will be formatted in ext4 and mounted under /.gluster/brick1. ext4 is used for better performance with small files.
 
 ## Create gluster: 2 replica and 1 arbiter
 Run these on gluster-a1: