some AI generated scripts for inspiration

fs.sh

@@ -0,0 +1,44 @@
+#!/bin/sh
+
+THRESHOLD=90
+
+echo "Checking disk usage (>= $THRESHOLD%)"
+df -P | while IFS= read -r line; do
+    case "$line" in
+        Filesystem*|"") continue ;;
+    esac
+
+    fs=$(printf '%s\n' "$line" | awk '{print $1}')
+    usep=$(printf '%s\n' "$line" | awk '{print $5}' | tr -d '%')
+    mountp=$(printf '%s\n' "$line" | awk '{print $6}')
+
+    # skip empty or loop devices
+    case "$fs" in
+        ""|/dev/loop*) continue ;;
+    esac
+
+    if [ "$usep" -ge "$THRESHOLD" ] 2>/dev/null; then
+        printf 'WARNING: %s is %s%% full (mounted on %s)\n' "$fs" "$usep" "$mountp"
+    fi
+done
+
+echo
+echo "Checking inode usage (>= $THRESHOLD%)"
+df -P -i | while IFS= read -r line; do
+    case "$line" in
+        Filesystem*|"") continue ;;
+    esac
+
+    fs=$(printf '%s\n' "$line" | awk '{print $1}')
+    usep=$(printf '%s\n' "$line" | awk '{print $5}' | tr -d '%')
+    mountp=$(printf '%s\n' "$line" | awk '{print $6}')
+
+    # skip empty or loop devices
+    case "$fs" in
+        ""|/dev/loop*) continue ;;
+    esac
+
+    if [ "$usep" -ge "$THRESHOLD" ] 2>/dev/null; then
+        printf 'WARNING: %s has %s%% inode usage (mounted on %s)\n' "$fs" "$usep" "$mountp"
+    fi
+done

smart.sh

@@ -0,0 +1,27 @@
+#!/bin/sh
+
+if ! command -v smartctl >/dev/null 2>&1; then
+    echo "Error: smartctl is not installed." >&2
+    exit 0
+fi
+
+# Scan for disks
+smartctl --scan | while IFS= read -r line; do
+    device=$(printf '%s\n' "$line" | awk '{print $1}')
+    [ -n "$device" ] || continue
+
+    echo "Device: $device"
+
+    echo "SMART Health Status:"
+    smartctl -H "$device"
+    echo
+
+    echo "Error Counts:"
+    # Extract the error log from smartctl -l error
+    # Works for SATA/SAS/NVMe; if unsupported, smartctl prints a message.
+    smartctl -l error "$device" 2>/dev/null | \
+        grep -E "Error Count|read:|write:|uncorrect" || \
+        echo "  No error log or errors not reported."
+
+    echo
+done

zfs.sh

@@ -0,0 +1,8 @@
+set -eu
+
+if ! command -v zpool >/dev/null 2>&1; then
+    echo "zpool command does not exist, assuming no ZFS on this system." >&2
+    exit 0
+fi
+
+zpool status -x