Configure passthrough NVMe drives (/dev/sdb) on each worker with
XFS partition mounted at /var/mnt/longhorn. Switch worker installer
image to Talos Image Factory build with iscsi-tools and util-linux-tools
extensions required by Longhorn. Remove conflicting grubUseUKICmdline
setting.
- Upgrade all nodes from v1.12.1/v1.12.2 to v1.12.4 installer image
- Set explicit nameservers (9.9.9.9, 149.112.112.112, 1.1.1.1) on
workers to replace unreliable DHCP-provided resolver at 10.0.15.254
- Fix talos-worker2 missing ExtensionServiceConfig for ext-tailscale
which was causing node reboots every ~35 minutes
- Update tailscale.patch.yaml with working auth key
