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Frank 1e1527d101 docs(media): the SSD metadata view has never been deployed on Dankserver

The vault described the overlay as the live shape. It is not: `media-view.sh
status` answers NOT MOUNTED, /var/lib/media-meta does not exist, and the
installed quadlets under ~/.config/containers/systemd still carry the pre-view
binds (/mnt/entropy:/data:ro for Jellyfin, /mnt/entropy:/mnt/entropy:ro for
Plex) while git binds the view with ConditionPathIsMountPoint. The deploy gate
(deploy-remote.sh:ensure_media_view) has therefore never run: the first
`deploy.sh dankserver --service jellyfin|plex` is an untested cutover of both
media servers, and Jellyfin's read-only sidecar error is today's expected state,
not a fault.

Same commit, the scan-acceptance law from tonight's TV handoff: it logged
`jellyfin scan: 401`, so Jellyfin never rescanned a 58k-move library until the
request was re-issued with the identical key and header form (204). Anything
that is not 204 means no scan was queued — re-issue, do not diagnose.

2026-10-31 03:13:53 -07:00

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type, description, tags, timestamp

type

description

Plex

Plex Media Server is a containerized media server on Dankserver: a podman quadlet (plex.service) under the systemd user generator, generated from dankserver/plex/quadlet/plex.container. It shares the host with a second live media server, Jellyfin (jellyfin.service, listening on 8096); both serve from the same tree — the Media Metadata View overlay — so the Kodi-format sidecars Jellyfin writes are the files Plex reads, with no copy and no sync.

Host: Dankserver — Ports: 32400/tcp (PMS web + API), 32400 is the only port PMS needs for client streaming; LAN clients connect directly, public traffic can be fronted by Caddy like every other vhost.

Facts

Item	Value
Runtime	podman quadlet, `plex.service` (user manager) — migrated from the native `plexmediaserver.service` OS-package unit (2026-09)
Image	`lscr.io/linuxserver/plex:1.43.5.11029-6bf8af3f0-ls329` (pinned; verified == the registry's `latest` manifest digest at pin time: `sha256:8f655bad…e9e2334`)
Data root	`/var/lib/plexmediaserver` bind-mounted in place as `/config` (RW) — the migration moved zero bytes
Media	git: `/var/lib/media-meta/view` (the Media Metadata View overlay) bound at the same absolute path `/mnt/entropy` read-only; live today: `/mnt/entropy` itself, read-only — the view has never been installed. Either way every library path in the PMS database stays valid, zero re-scan
Identity	fleet rootless model — container root maps to the `dank` user (1000:1000); the deployer chowns the data root on first cutover
Port	`32400/tcp` published on `0.0.0.0` — zero client reconfiguration
Network	`dankserver_appnet`, alias `plex`; Tautulli reaches it at `http://plex:32400`
GPU	none by decision — CPU decode only; the two R9700s stay dedicated to frank-archon
Deploy	`./scripts/deploy.sh dankserver --service plex`
Docs	https://support.plex.tv

Why in-place bind mounts

The migration moved zero bytes: the container bind-mounts the native data root where it already lived, and the media archive re-mounts at /mnt/entropy inside the container — only the HOST side of that bind has moved (the array today; the overlay view in git has never been deployed), so every absolute library path in the PMS database keeps resolving. The one metadata change: rootless podman cannot map the real host uid 997, so the fleet model applies — container root runs as the dank user, and the deployer adopts the data root with chown -R 1000:1000 on first cutover (rollback chowns it back).

Cutover & rollback

First deploy stops and masks plexmediaserver.service (never disable — on these hosts disable deletes the unit file), chowns /var/lib/plexmediaserver to 1000:1000, then starts the quadlet; the deployer blocks until /identity answers on 32400.
Rollback lever while masked: systemctl --user stop plex.service && sudo chown -R 997:984 /var/lib/plexmediaserver && sudo systemctl unmask plexmediaserver.service && sudo systemctl start plexmediaserver.service (ownership-only churn — zero bytes ever moved).
Decommission (sudo apt-get -y purge plexmediaserver) only after explicit operator sign-off.

Integration points

Caddy: Plex is exempt from the Anubis bot challenge (plain-HTTP legacy clients cannot solve JS challenges) — Anubis "Exempt by construction".
Tautulli (Tautulli) is the companion: it polls PMS on the appnet for statistics and notifications and makes no sense without Plex.
Auth wall: if a public vhost is ever pointed at Plex, put the Authentik outpost + Anubis chain in front of it like every other guarded vhost (Authentik, Caddy); direct :32400 exposure to the LAN is unauthenticated by design (Plex owns its own auth via claim tokens).

Gotchas

Do not benchmark on it blind. Transcoding is CPU-only now but still contends with the LLM fleet's host-RAM expert streaming; stop the service before benchmark runs, per the Benchmarking Policy.
Updates are commit-driven, not apt. The OS package is retired at cutover; upgrading PMS means pinning a new -ls tag in the unit file and redeploying — never run :latest.
The claim token is the identity of this server; document it in the host .env, never in this repo (secret rules apply). The token lives in Preferences.xml inside the RW data bind, preserved by the migration.
Cold container boot is slow. PMS pre-binds 32400 and empty-replies while the HTTP layer finishes loading; the first boot of a years-old library took ~10 minutes (2026-09 cutover). The deployer gate now allows 600 s before failing; later boots are much faster (warm page cache).

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