commit 8c4bb9cc730f4b06d8e6adb380e9de1250e72c38
Author: Ondřej Hrachovina <xhracho1@mendelu.cz>
Date:   Sat Oct 19 12:52:51 2024 +0200

    HDD.sh
    
    script for 1) spin down all drives except boot 2) check drives activity
    hdparm is needed for function

diff --git a/HDD.sh b/HDD.sh
new file mode 100644
index 0000000..0ae5782
--- /dev/null
+++ b/HDD.sh
@@ -0,0 +1,41 @@
+#!/bin/bash
+
+# Function to display usage
+show_usage() {
+    echo "Usage: $0 [option]"
+    echo "Options:"
+    echo "  1   Spin down drives (-y)"
+    echo "  2   Check drive activity (-C)"
+    exit 1
+}
+
+# Check if an option is provided
+if [ -z "$1" ]; then
+    show_usage
+fi
+
+# Get the boot drive (mounted as root /)
+BOOT_DRIVE=$(df / | tail -1 | awk '{print $1}' | sed 's/[0-9]//g')
+
+# Determine the operation based on user input
+case "$1" in
+    1)
+        # Spin down drives, excluding the boot drive
+        for drive in /dev/sd[a-z]; do
+            if [[ "$drive" != "$BOOT_DRIVE" ]]; then
+                sudo hdparm -y $drive
+            fi
+        done
+        ;;
+    2)
+        # Check drive activity, excluding the boot drive
+        for drive in /dev/sd[a-z]; do
+            if [[ "$drive" != "$BOOT_DRIVE" ]]; then
+                sudo hdparm -C $drive
+            fi
+        done
+        ;;
+    *)
+        show_usage
+        ;;
+esac