Create fdiskscript.sh

To use this script, add your disks to the "disks" array below.

To store this script, save it as /usr/local/bin/fdiskscript.sh or /opt/scripts/fdiskscript.sh

To make it executable, run: chmod +x /usr/local/bin/fdiskscript.sh

IMPORTANT: Do not include the OS disks (e.g., sda, sdb) in the "disks" array.

fdiskscript.sh

@@ -0,0 +1,102 @@
+  GNU nano 5.4                                                                                                                                                                                                 fdiskscript.sh                                                                                                                                                                                                          
+#!/bin/bash
+
+# Display warning message
+echo -e "\e[1;31mWarning: This script will delete all data on the following disks:\e[0m"
+disks=(
+    /dev/sdw
+    /dev/sdx
+    /dev/sdy
+    /dev/sdz
+    /dev/sdaa
+    /dev/sdab
+    /dev/sdac
+    /dev/sdad
+    /dev/sdae
+    /dev/sdaf
+    /dev/sdag
+    /dev/sdah
+    /dev/sdai
+    /dev/sdaj
+    /dev/sdbh
+    /dev/sdbi
+    /dev/sdbj
+    /dev/sdbk
+    /dev/sdbl
+    /dev/sdbm
+    /dev/sdbn
+    /dev/sdbo
+    /dev/sdbp
+    /dev/sdbq
+    /dev/sdbr
+    /dev/sdbs
+    /dev/sdbt
+    /dev/sdbu
+    /dev/sdbv
+    /dev/sdbw
+    /dev/sdbx
+    /dev/sdby
+    /dev/sdbz
+    /dev/sdca
+    /dev/sdcb
+    /dev/sdcc
+    /dev/sdcd
+    /dev/sdce
+    /dev/sdcf
+    /dev/sdcg
+    /dev/sdch
+    /dev/sdci
+    /dev/sdcv
+    /dev/sdcw
+    /dev/sdcx
+    /dev/sdcy
+    /dev/sdcz
+    /dev/sdda
+    /dev/sddb
+    /dev/sdds
+    /dev/sddt
+    /dev/sddu
+    /dev/sddv
+    /dev/sddw
+    /dev/sddx
+    /dev/sddy
+    /dev/sdeq
+    /dev/sder
+    /dev/sdes
+    /dev/sdet
+    /dev/sdeu
+    /dev/sdev
+    /dev/sdew
+    /dev/sdex
+    /dev/sdey
+    /dev/sdez
+    /dev/sdfa
+)
+for (( i=0; i<${#disks[@]}; i+=4 ))
+do
+  echo -e "\e[1;31m${disks[$i]}\t${disks[$i+1]}\t${disks[$i+2]}\t${disks[$i+3]}\e[0m"
+done
+
+# Prompt user to confirm
+read -p "Do you wish to proceed? (y/n) " confirm
+case ${confirm:0:1} in
+    y|Y )
+        # Delete partitions and write changes
+        for i in "${disks[@]}"; do
+            echo "Deleting partitions on $i ..."
+            for (( j=1; j<=4; j++ )); do
+                echo -e "d\n$j\n" | fdisk "$i"
+            done
+            echo -e "w\n" | fdisk "$i"
+            echo "Writing changes to $i ..."
+            partprobe "$i"
+        done
+
+        echo "Done."
+        ;;
+    * )
+        echo "Operation cancelled."
+        ;;
+esac
+
+echo "Please reboot the server if you are adding ZFS disks in Proxmox. The disks will not show up in the Proxmox GUI until a reboot is done by the OS. Thank you."