How to Replace a Failed Disk in a ZFS Pool on Proxmox

I walk through the process of replacing a failed disk in a ZFS pool on a Proxmox server. This is something you might face if you're running a Proxmox setup, whether in a homelab or a live environment like ours.

I’ll show you how to identify the failed disk, safely replace it, and restore your ZFS pool to full working order. Even though this is a test server, the steps apply to any Proxmox setup that uses ZFS. If you’re dealing with a disk failure, this guide will help you get things back on track.

Let’s dive in and fix that failed disk!

Timestamps:
00:00 - The ZFS pool with the failed drive
01:19 - Rebooting the server after replacing the drive
01:54 - SSH in to the server to identify the failed drive
03:22 - Using the zpool utility to replace the failed drive
04:25 - Verifying the drive has been replaced and is resilvering
05:30 - Verifying the pool is healthy from command line
06:00 - Verifying the pool is healthy from the web interface
06:21 - Final thoughts

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