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-#+TITLE: Velox Reinstall Runbook — DR Test of archangel + archsetup
-#+AUTHOR: Craig Jennings
-#+DATE: 2026-08-13
-
-Context: velox's mainboard swapped Intel → AMD (Ryzen AI 9 HX 370, Radeon
-890M, 96GB RAM). Old SSD intact but the new board's NVRAM has no boot entry,
-and velox is ZFS root + ZFSBootMenu, so a stock Arch USB can't even read the
-pool. Decision: full reinstall via archangel + archsetup, run deliberately as
-a disaster-recovery test of the ISO and scripts before the Sunday flight.
-Recent backup in hand; ratio available as the working machine.
-
-Fallback ordering if the test finds a real gap:
-- Before partitioning starts: the old system is intact — the ZBM repair
-  route (efibootmgr entry pointing at the ZBM loader on the ESP, then
-  amd-ucode swap in a chroot) is still available.
-- After partitioning: the floor is a manual Arch install; the backup makes
-  that survivable.
-
-* Phase 0 — Preflight on ratio (agent-driven, done before you leave the desk)
-
-- [ ] Rebuild the ISO with archsetup baked in: the 2026-08-02 ISO predates
-  the microcode vendor-detection fix (archsetup, 2026-08-08) and was built
-  without ARCHSETUP_DIR at all.
-  #+begin_src sh
-  cd ~/code/archangel && sudo ARCHSETUP_DIR="$HOME/code/archsetup" ./build.sh
-  #+end_src
-  Two traps in that one line, and either alone silently produces a bare ISO
-  with archsetup absent (archangel, 2026-08-20). The =VAR=value= form is
-  required because sudo's =env_reset= discards an exported variable. And
-  =$HOME= is required because zsh does not expand a tilde on the right-hand
-  side of an assignment — the earlier =ARCHSETUP_DIR=~/code/archsetup= here
-  passed the literal string. build.sh now warns and reports baked/not-baked
-  in its closing summary, so the failure is visible rather than silent.
-- [ ] build.sh fixes before the final rebuild (archangel repo):
-  - rsync exclude for =.ai= (keeps =archsetup/.ai/private-design/= — the
-    credential audit — off the portable USB stick).
-  - copy =installer/velox-*.conf= to =airootfs/root/= so the machine profile
-    is on the ISO at =/root/velox-zfs.conf=.
-- [ ] Verify the ISO carries: =/code/archsetup= (with =install_cpu_microcode=),
-  =/root/velox-zfs.conf=, no =.ai/private-design=. Loop-mount or unsquashfs
-  spot-check.
-- [X] USB ready (done 2026-08-13 15:25): the new ISO was copied to the Ventoy
-  drive, sha256-verified against the source, and the 2026-04-09 + 2026-06-16
-  archangel ISOs removed. Boot the stick and pick
-  =archangel-2026-08-13-vmlinuz-6.18.43-lts-x86_64.iso= from the Ventoy menu.
-
-* Phase 1 — UEFI setup on velox (BIOS screen, before any boot)
-
-- [ ] Disable Secure Boot. Mandatory — the ZFS kernel modules are unsigned;
-  the new board ships with it enforced by factory default.
-- [ ] Set the system clock. The board swap reset the RTC to 2025-01-01;
-  a wrong clock breaks TLS and pacman signature checks in the live env.
-  Rough accuracy is fine — NTP tightens it once networked.
-- [ ] While you're in setup: check boot-order UI shows the USB.
-
-* Phase 2 — Salvage pass (live ISO, BEFORE running the installer) — REQUIRED
-
-NOT optional insurance. Verified 2026-08-13: velox's newest truenas backup is
-DAILY.0 = 2026-07-06 — five weeks stale. The backup timer on velox broke
-around Jul 6 (truenas itself only went dark Jul 24, and it's back now; ratio
-and mybitch backed up today). Everything since Jul 6 exists only on the old
-SSD — including =wolf.conf.gpg= (created Jul 29), which is therefore in NO
-backup at all. This pass also keeps the repair fallback alive until
-partitioning starts.
-
-- [ ] Network up (=nmtui= or ethernet), then confirm clock: =timedatectl=.
-- [ ] Import the old pool read-only and unlock:
-  #+begin_src sh
-  zpool import -N -o readonly=on -R /mnt zroot
-  zfs load-key zroot          # passphrase prompt
-  zfs mount zroot/ROOT/default
-  zfs mount -a 2>/dev/null    # home datasets etc.; ignore failures
-  #+end_src
-- [ ] Push a full fresh backup to truenas over the LAN — mirror the layout
-  the backup job uses (etc + home), into a clearly-named one-off dir:
-  #+begin_src sh
-  rsync -aHAX --info=progress2 /mnt/etc /mnt/home \
-      truenas:/mnt/vault/backups/velox/pre-reinstall-2026-08-13/
-  #+end_src
-  (=/usr= is in the regular backups but is all reinstallable — skip unless
-  paranoid. The 96GB-RAM board will not be the bottleneck; the LAN is.)
-- [ ] Spot-check the copy landed: =wolf.conf.gpg=, =.ssh=, =.gnupg=, newest
-  files in =~/documents= and =~/downloads=.
-- [ ] Check for uncommitted repo work and either push or note it:
-  =~/.emacs.d= (known: the auto-dim-other-buffers.el unresolved merge),
-  =~/.dotfiles=, anything under =~/code=.
-- [ ] Export cleanly: =cd /; zfs unmount -a; zpool export zroot=.
-
-* Phase 3 — Install (the actual DR test)
-
-- [ ] Review the profile, then run the installer:
-  #+begin_src sh
-  less /root/velox-zfs.conf     # FILESYSTEM=zfs, HOSTNAME=velox, single nvme
-  archangel --config-file /root/velox-zfs.conf
-  #+end_src
-  Note: the profile's ZFS_PASSPHRASE / ROOT_PASSWORD are the =welcome=
-  placeholders — fine for install; both change post-install (=zfs change-key
-  zroot= for the pool, =passwd= for root).
-- [ ] Record every rough edge as a DR-test finding — that's the point of
-  running it this way. Anything that needs a manual nudge gets a todo entry
-  in archangel or archsetup afterward.
-- [ ] Reboot into ZBM → boot the new environment.
-
-* Phase 4 — archsetup (first boot of the installed system)
-
-- [ ] Log in as root, network up, then verify the clock synced.
-- [ ] Get archsetup — two paths, test the offline one since this is a DR
-  drill (the online curl path is the everyday alternative):
-  #+begin_src sh
-  # offline: mount the install USB and copy the baked tree
-  mount /dev/disk/by-label/ARCHANGEL* /mnt 2>/dev/null || mount /dev/sdX1 /mnt
-  cp -r /mnt/code/archsetup /root/archsetup && cd /root/archsetup
-  ./archsetup
-  #+end_src
-- [ ] Expected on the new board: =install_cpu_microcode= detects
-  AuthenticAMD and installs amd-ucode (verified 2026-08-13, 7/7 tests).
-  Podman socket, camera udev rule, tlp radio state, ZFS /tmp mask are all
-  in the installer now — none need manual application afterward.
-- [ ] archsetup clones + stows dotfiles. The velox host tier has no Intel
-  assumptions (swept 2026-08-13); maint's capability probe runtime-detects
-  amd-pstate.
-
-* Phase 5 — Post-install restore + verification
-
-- [ ] Restore from backup (credentials, ssh keys, gpg, user data). The
-  secrets-bundle-in-ISO design is not built yet — manual restore is the
-  known gap, not a test failure.
-- [ ] WireGuard: decrypt + re-place =wolf.conf.gpg= at =~/.config/wireguard/=;
-  re-import the NM profile (autoconnect off, as before).
-- [ ] Change the placeholder passwords: =passwd=, =zfs change-key zroot=.
-- [ ] PSR workaround — REQUIRED on this board. The Ryzen AI 300 has a known
-  idle instability (Panel Self Refresh hangs/reboots the machine; hit during
-  the live session 2026-08-13). Add =amdgpu.dcdebugmask=0x610= to the
-  installed system's kernel command line — velox boots via ZBM, so set it on
-  the pool: =zfs set org.zfsbootmenu:commandline="... amdgpu.dcdebugmask=0x610" zroot/ROOT/default=
-  (keep the existing args; append). Revisit after a BIOS update ≥3.05 or a
-  kernel that fixes PSR on Strix Point — track via the Framework issue
-  tracker (SoftwareFirmwareIssueTracker #110).
-- [ ] New-hardware spot-checks:
-  - =journalctl -k | grep -i microcode= — amd-ucode applied.
-  - =cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_driver= — expect
-    amd-pstate(-epp).
-  - wifi + bluetooth up (new board radios), touchpad behavior, camera.
-  - =glxinfo -B= / =vulkaninfo --summary= — Radeon 890M on RADV.
-- [ ] Fresh clones automatically carry the post-purge rewritten git history —
-  closes the clone-reconcile rider from 2026-08-11 without action.
-- [ ] Fix and verify the backup timer on the fresh install — it was silently
-  broken since ~Jul 6. After the first manual run succeeds, confirm a new
-  DAILY.0 appears under =truenas:/mnt/vault/backups/velox/=. Diagnose why it
-  broke (timer unit dead? mount failure? credential?) if the old journal
-  survives in the salvage copy.
-- [ ] Update the machine-identity memory: velox is now AMD (amd-pstate),
-  both daily drivers AMD. Fix the stale =intel_pstate= comment in
-  =airplane-mode= line 6 while at it (cosmetic).
-- [ ] File every DR-test finding in the owning project's todo.
-
-* Timing
-
-Today is Thursday; the flight is Sunday. Target: Phases 0–4 tonight or
-Friday, leaving Saturday as pure buffer. If the install stalls past Friday
-evening, cut losses to the manual-install floor.