Get zfs pool drive serial numbers if imported with '-d /dev/disk/by-id'

get_drive_serials.sh

#!/bin/bash

# Written entirely by ChatGPT after 3 prompts.

# Check if the pool name was provided
if [ -z "$1" ]; then
    echo "Usage: $0 <pool_name>"
    exit 1
fi

POOL_NAME="$1"

# Check if the pool exists
if ! zpool list "$POOL_NAME" &> /dev/null; then
    echo "Pool '$POOL_NAME' does not exist."
    exit 1
fi

# Extract device IDs from zpool status output
DEVICE_IDS=$(zpool status "$POOL_NAME" | awk '/wwn-/ {print $1}')

# Iterate through device IDs and retrieve serial numbers
for DEVICE_ID in $DEVICE_IDS; do
    # Construct the full path using /dev/disk/by-id/
    DEVICE_PATH="/dev/disk/by-id/$DEVICE_ID"
    
    # Get the serial number for each device
    SERIAL=$(udevadm info --query=all --name="$DEVICE_PATH" | grep ID_SERIAL= | cut -d'=' -f2)
    
    # Print the device and its serial number
    if [ -n "$SERIAL" ]; then
        echo "Device: $DEVICE_ID, Serial Number: $SERIAL"
    else
        echo "Device: $DEVICE_ID, Serial Number: Not Found"
    fi
done