Disk logic update

deploy.sh

@@ -437,8 +437,13 @@ EOF
     fi
   done
 
-  PARITY_DISK_NUMBER=$(((${#DATA_DISKS_ID[@]} + 2) / 3))
+  if [[ "${#DATA_DISKS_ID[@]}" -eq 1 ]]; then
-  CONTENT_DISK_NUMBER=$((${#DATA_DISKS_ID[@]} - PARITY_DISK_NUMBER))
+    PARITY_DISK_NUMBER=0
+    CONTENT_DISK_NUMBER=1
+  else
+    PARITY_DISK_NUMBER=$(((${#DATA_DISKS_ID[@]} + 2) / 3))
+    CONTENT_DISK_NUMBER=$((${#DATA_DISKS_ID[@]} - PARITY_DISK_NUMBER))
+  fi
 ### Disk selection <--
 
 ### --> Selection recap
@@ -451,14 +456,13 @@ Please review the selected disk layout before proceeding.
 * **Boot 1:** \`${BOOT_DISKS_ID[0]}\`
 $( [[ -n "${BOOT_DISKS_ID[1]:-}" ]] && echo "* **Boot 2:** \`${BOOT_DISKS_ID[1]}\`" || echo "* **Boot 2:** *Not configured*" )
 
-**Parity Disks ($PARITY_DISK_NUMBER):**
-$( j=1 && for i in $(seq 0 $(($PARITY_DISK_NUMBER - 1))); do echo "* **Parity ${j}:** \`${DATA_DISKS_ID[${i}]}\`" && j=$((j + 1)); done )
-$( [[ $PARITY_DISK_NUMBER -eq 0 ]] && echo "* *Not configured*" )
-
 **Data Disks ($CONTENT_DISK_NUMBER):**
-$( j=1 && for i in $(seq $PARITY_DISK_NUMBER $((${#DATA_DISKS_ID[@]} - 1))); do echo "* **Data ${j}:** \`${DATA_DISKS_ID[${i}]}\`" && j=$((j + 1)); done )
+$( j=1 && for i in $(seq 0 $(($CONTENT_DISK_NUMBER - 1))); do echo "* **Data ${j}:** \`${DATA_DISKS_ID[${i}]}\`" && j=$((j + 1)); done )
 $( [[ $CONTENT_DISK_NUMBER -eq 0 ]] && echo "* *Not configured*" )
 
+**Parity Disks ($PARITY_DISK_NUMBER):**
+$( [[ $PARITY_DISK_NUMBER -gt 0 ]] && j=1 && for i in $(seq $CONTENT_DISK_NUMBER $((${#DATA_DISKS_ID[@]} - 1))); do echo "* **Parity ${j}:** \`${DATA_DISKS_ID[${i}]}\`" && j=$((j + 1)); done )
+$( [[ $PARITY_DISK_NUMBER -eq 0 ]] && echo "* *Not configured*" )
 EOF
 )