From 35dca130266f572286519ab83ed0e9a6197886d6 Mon Sep 17 00:00:00 2001
From: Brad Stein <Brad.Stein@gmail.com>
Date: Sun, 11 Jan 2026 10:06:35 -0300
Subject: [PATCH] knowledge: add control-plane storage details

---
 knowledge/software/metis.md | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/knowledge/software/metis.md b/knowledge/software/metis.md
index a6eaca0..46ca773 100644
--- a/knowledge/software/metis.md
+++ b/knowledge/software/metis.md
@@ -59,3 +59,9 @@
 - titan-db: Ubuntu 24.10, kernel 6.11.0-1015-raspi, root on /dev/sda2 ext4 (465G), boot vfat /dev/sda1; PostgreSQL service enabled.
 - titan-jh: Arch Linux ARM (rolling), kernel 6.18.4-2-rpi, NVMe root ext4 238G (/), boot vfat 512M; ~495 packages installed (pacman -Q).
 - titan-23/oceanus: TODO audit (future).
+
+
+### Control plane Pis (titan-0a/0b/0c)
+- Ubuntu 24.04.1 LTS, kernel 6.8.0-1038-raspi, containerd 2.0.5-k3s2.
+- Storage: 477G SSD root (/dev/sda2 ext4), /boot/firmware vfat (/dev/sda1). fstab uses LABEL=writable and LABEL=system-boot.
+- k3s server (control-plane taint expected); etcd snapshots not yet cataloged (TODO).