12:43:54 drill: redis 7-alpine -> 7.4.0-alpine + probe 8999 (the failing edge)
12:43:59 (c) Update -> 202
12:43:59   +   0.0s phase=backing-up
12:44:16   +  16.8s phase=safety-dump
12:44:18   +  18.9s phase=pulling
12:44:21   +  22.1s phase=copying
12:44:31   +  32.1s phase=starting
12:44:38   +  38.9s phase=verifying
12:44:42   >>> marker removed:
copy: nextcloud_nextcloud_db_data.pre-update-20260924T103924Z
data
second-drive mirror moved aside (a one-drive box)

12:46:09   + 129.7s phase=undoing
12:47:57   + 237.4s phase=failed
12:47:57 (c) held: {"update_phase": "failed", "hold_reason": "A(z) nextcloud frissítése nem sikerült, és az automatikus visszaállítás sem. Ezen a dobozon nincs olyan másolat, amely az alkalmazást a fájljaival együtt vissza tudná hozni. A Felhom ügyfélszolgálatát értesítettük — addig ne indítsd újra, és ne töröld az adatait.", "hold_no_whole_copy": true, "hold_kind": "update_failed", "state": "stopped"}
12:47:57 (c) [hu] 'A(z) nextcloud frissítése nem sikerült, és az automatikus visszaállítás sem. Ezen a dobozon nincs olyan másolat, amely az alkalmazást a fájljaival együtt vissza tudná hozni. A Felhom ügyfélszolgálatát értesítettük — addig ne indítsd újra, és ne töröld az adatait.'
12:47:57 (c) [en] 'The update of nextcloud did not work, and neither did the automatic undo. This box has no copy that can bring the app back together with its files. Felhom support has been told — until then, do not restart the app or delete its data.'
12:47:57 (c2) hdd-data -> {"code": "200", "keep_data_only": true}
12:47:57 (c3) [hu] Remove with data -> 409 'Amíg az ügyfélszolgálat foglalkozik az alkalmazással, az adatai nem törölhetők — az alkalmazást az adatai megtartásával eltávolíthatod.'
12:47:57 (c3) [en] Remove with data -> 409 'While support is working on this app, its data cannot be deleted — you can remove the app and keep its data.'
12:47:57 (c3) [en] Remove with backups -> 409
12:47:57 (c3) still deployed: True
12:48:00 (c4) mirror moved back: hdd recovery-unit 
12:48:01 drill: back to the head + the real probe
12:48:06 (d) POST /backup/tier2/unit-restore -> HTTP/2 302  ['location: /backups/apps?flash=flash.restore.full_started']
12:48:06     restore-status (True, None)
12:48:40     restore-status (False, None)
12:48:44 (d) log:
2026/09/24 10:48:06 handlers.go:2063: [WARN] [web] Tier-2 WHOLE restore requested (async, files + database): stack=nextcloud from 172.18.0.9:57508
2026/09/24 10:48:06 tier2_whole.go:304: [WARN] [backup] WHOLE restore for nextcloud from the second drive /mnt/sys_drive/felhom-data/backups/secondary/nextcloud: files by the four rules (never delete, never overwrite newer), then the unit
2026/09/24 10:48:06 tier2_whole.go:326: [INFO] [backup] whole restore nextcloud: files restored=0 replaced=0 (live kept beside as *.felhom-20260924T104806Z) kept-newer=0 unchanged=142
2026/09/24 10:48:40 restore_unit.go:464: [INFO] [backup] Restore-from-unit completed: nextcloud — 3 volume(s) of 3 listed, 1 database(s) of 1 listed
2026/09/24 10:48:40 settings.go:1848: [INFO] [settings] restore hold CLEARED for nextcloud
2026/09/24 10:48:40 update_guard.go:609: [INFO] [backup] nextcloud: restore completed — the update hold (set 2026-09-24T10:47:57Z) is CLEARED
2026/09/24 10:48:40 handlers.go:2074: [INFO] [web] Tier-2 whole restore completed (async): stack=nextcloud in 33.559200635s (files restored 0, replaced 0, kept-newer 0, unchanged 142; volumes 3/3, dbs 1/1)

12:48:51     nextcloud: readback of the seeded user found=True
12:48:53     nextcloud files read back: 2/2 (negative control http=404)
12:48:56 (e) final {"state": "running", "hold_reason": null, "update_phase": null} kept-beside: