update snapraid readme

roles/snapraid/README.md

@@ -9,13 +9,21 @@ Variables
     snapraid_parity_disks:
       - path: /mnt/parity1
         parity: parity
+        disk: /dev/disk/by-id/ata-WDC_WD101EFAX-68LDBN0_VCG6YNSN
+        fs: ext4         # defaults to xfs
+        opts: noatime    # defaults to 'defaults'
+        owner: username  # defaults to root
+        group: groupname # defaults to root
+        mode: '0777'     # defaults to '0750'
  
       - path: /mnt/parity2
         parity: 2-parity
+        disk: /dev/disk/by-id/ata-WDC_WD101EFAX-68LDBN0_VCG6VGPN
 
 
     snapraid_data_disks:
       - path: /mnt/disk1
+        disk: /dev/disk/by-id/ata-WDC_WD101EFBX-68B0AN0_VCJW0TDP
 
 
 Cronjobs can have any of the following settings: