update stale media ownership language across all docs
arr_sync.sh bidirectional union replaced the old split-ownership model. Old: HOST1 owns Movies/TV/Music, HOST2 owns Anime — each arr manages different shares to avoid conflicts. New: arr_sync.sh keeps all arr databases in union. Either server can download to any share at any time. The union is the source of truth. Auth stack references left intact — HOST1 still owns auth config (one-way sync to HOST2). Only media library ownership language updated. Files changed: README.md — server block + share annotations Fallback/README-Fallback.md — role line + Split Source of Truth section Orchestrators/README-Orchestrators — daily sync share comments Rsync/Manual-Rsync.md — DEFAULT_RSYNC_OPTS comment block Media/README-Media.md — HOST AWARENESS section
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Gmer4Lfe
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@@ -59,7 +59,7 @@ HOST1 — unRAID-Gmer4Lfe
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Hardware: Threadripper 1950X, 128GB RAM, ZFS cache pools
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Location: Primary site
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DDNS: Gmer4Lfe.com
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Role: Primary — full service stack + source of truth for Movies/Shows/Music
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Role: Primary — full service stack, arr_sync union for all media shares
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HOST2 — unRAID-Jayred365
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Hardware: Intel i5 10th gen, 64GB RAM
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@@ -81,21 +81,22 @@ Container names "Emby" on HOST2 must be the container HOST2 starts for HOST1
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Network names Docker custom networks must match for NPM routing to work
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```
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### Split Source of Truth — No Conflicts
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### Union Library — arr_sync.sh Is the Source of Truth
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Both servers run arr instances simultaneously with zero conflict — they manage completely
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different shares:
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Both servers run arr instances simultaneously. arr_sync.sh keeps all databases in
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bidirectional union before every rsync cycle — either server can download anything
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and it propagates to the other:
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```
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HOST1 owns: Movies (Radarr), Tv_Shows (Sonarr), Music (Lidarr)
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HOST2 owns: Anime_Movies (his Radarr), Anime_Shows (his Sonarr)
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HOST1 runs: Radarr (Movies), Sonarr (Tv_Shows), Lidarr (Music)
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HOST2 runs: Radarr (Anime_Movies), Sonarr (Anime_Shows)
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Each server mirrors the other's shares continuously via rsync.
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All arr databases merged via arr_sync. rsync spreads files additively.
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Either server downloads to any share — the other catches up on the next cycle.
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```
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The rule: never run two arr instances against the same share simultaneously. Different arrs
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managing different shares is fine. When HOST2 runs HOST1's arrs during a Tier 4 fallback,
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HOST1's Tdarr is not running (HOST1 is down) — no conflict.
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When HOST2 runs HOST1's arr containers during a Tier 4 fallback, those arrs already
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know the full library — arr_sync kept them in union while both servers were online.
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### Auth Stack — Warm on Both Servers
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+8
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@@ -162,19 +162,16 @@ cleaned by arr_cleanup on all nodes after the next sync cycle.
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## ━━━ HOST AWARENESS ━━━
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Scripts run on both servers but only operate on the shares and arrs that belong to that
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server. `detect_hosts()` aliases all `HOST*_` prefixed vars to their unprefixed names.
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Scripts run on both servers via `detect_hosts()`, which aliases all `HOST*_` prefixed vars
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to their unprefixed names at runtime. No manual `HOST1`/`HOST2` comparisons exist in any script.
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```
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HOST1 — source of truth for: HOST2 — source of truth for:
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Movies (Radarr) Anime_Movies (his Radarr)
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Tv_Shows (Sonarr) Anime_Shows (his Sonarr)
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Music (Lidarr)
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```
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arr_sync.sh keeps all arr databases in bidirectional union — either server can download
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to any share. Arr cleanup uses the union model: a file is only an orphan if neither arr
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on either server has it indexed. Arr scripts check the aliased URL — if empty (arr not
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configured on this host), they exit cleanly with no action.
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Permissions and cleaner scripts run on both servers against their own shares. Arr cleanup
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scripts check the aliased URL — if empty (arr not configured on this host), they exit
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cleanly with no action. No manual `HOST1`/`HOST2` comparisons exist in any script.
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Permissions and cleaner scripts run locally against each server's own shares, defined
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in `HOST*_MEDIA_PERMISSION_SHARES` and `HOST*_MEDIA_CLEAN_FOLDERS` in host*.conf.
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---
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@@ -582,9 +582,9 @@ DAILY_MAINTENANCE_SCRIPTS=(
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# host1.conf
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HOST1_DAILY_SYNC_SHARES=(
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"/mnt/user/Movies" # HOST1 source of truth — push to HOST2
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"/mnt/user/Tv_Shows" # HOST1 source of truth
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"/mnt/user/Music" # HOST1 source of truth
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"/mnt/user/Movies" # both servers — arr_sync union, rsync spreads files
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"/mnt/user/Tv_Shows" # both servers
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"/mnt/user/Music" # both servers
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"/mnt/user/Kids_Movies"
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"/mnt/user/Kids_Tv_Shows"
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"/mnt/user/Sports"
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@@ -597,8 +597,8 @@ HOST1_PERSONAL_SHARES=(
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# host2.conf
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HOST2_DAILY_SYNC_SHARES=(
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"/mnt/user/Anime_Shows" # HOST2 source of truth — push to HOST1
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"/mnt/user/Anime_Movies" # HOST2 source of truth
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"/mnt/user/Anime_Shows" # both servers — arr_sync union, rsync spreads files
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"/mnt/user/Anime_Movies" # both servers
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)
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```
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@@ -24,15 +24,15 @@ HOST1 — unRAID-Gmer4Lfe
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Hardware: Threadripper 1950X, 128GB RAM, ZFS cache pools
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Location: Primary site
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Domain: Gmer4Lfe.com
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Owns: Movies, Tv_Shows, Music — source of truth
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Auth stack — source of truth
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Arrs: Movies, Tv_Shows, Music — union with HOST2 via arr_sync
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Auth stack — source of truth (HOST1 owned, syncs to HOST2)
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Emby — primary media server
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HOST2 — unRAID-Jayred365
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Hardware: Intel i5 10th gen, 64GB RAM
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Location: Remote — different building, different power utility
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Domain: Gmer4Lfe.us
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Owns: Anime_Shows, Anime_Movies — source of truth
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Arrs: Anime_Shows, Anime_Movies — union with HOST1 via arr_sync
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His own Emby — for his household
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```
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@@ -637,9 +637,9 @@ bash rsync.sh /mnt/user/appdata-Failover/Arrs_Stack --status
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# Rsync engine
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RSYNC_ENABLED=true
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DEFAULT_RSYNC_OPTS="-az --no-perms --no-owner --no-group --inplace"
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# No --delete in DEFAULT_RSYNC_OPTS — bidirectional media shares spread files only.
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# Each server's arrs are source of truth for their content; arr cleanup scripts
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# handle deletions. Profiles set PROFILE_RSYNC_OPTS with --delete explicitly.
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# No --delete in DEFAULT_RSYNC_OPTS — media share rsync is additive only.
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# arr_sync.sh keeps all arr databases in union — either server can download anything.
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# arr cleanup handles deletions (orphans only). Profiles use --delete explicitly.
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BW_LIMIT=0 # KB/s, 0 = unlimited
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RETRY_COUNT=3
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SLEEP=60 # seconds between retries
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