February 23Feb 23 Unraid 7.2.3Appdata Backup 2025.09.23Jellyfin 10.11.6Got this issue out of nowhere as it's been running weekly backups without issues for the past few months.I've set it to stop all dockers and then backup and I've checked all folders permissions and ownershipNot sure if it's a Appdata Backup , Unraid or Jellyfin issue. Any suggestions I could try?Debug Log:[16.02.2026 12:09:17][debug][Jellyfin] Volume '/mnt/user/appdata/Jellyfin' IS within AppdataPath '/mnt/user/appdata'![16.02.2026 12:09:17][debug][Jellyfin] Volume '/mnt/user/appdata/Jellyfin' IS within AppdataPath '/mnt/user/appdata'![16.02.2026 12:09:17][debug][Jellyfin] Volume '/mnt/user/appdata/Jellyfin' IS within AppdataPath '/mnt/user/appdata'![16.02.2026 12:09:17][ℹ️][Jellyfin] Should NOT backup external volumes, sanitizing them...[16.02.2026 12:09:17][debug][Jellyfin] Volume '/mnt/user/appdata/Jellyfin' IS within AppdataPath '/mnt/user/appdata'![16.02.2026 12:09:17][ℹ️][Jellyfin] Calculated volumes to back up: /mnt/user/appdata/Jellyfin[16.02.2026 12:09:17][debug][Jellyfin] Target archive: /mnt/disk2/SOFTWARE/Apps/_BACKUPS/ab_20260216_120901/Jellyfin.tar.zst[16.02.2026 12:09:17][debug][Jellyfin] Generated tar command: --exclude '/usr/local/share/docker/tailscale_container_hook' -c -P -I "zstd -T8" -f '/mnt/disk2/SOFTWARE/Apps/_BACKUPS/ab_20260216_120901/Jellyfin.tar.zst' '/mnt/user/appdata/Jellyfin'[16.02.2026 12:09:17][ℹ️][Jellyfin] Backing up Jellyfin...[16.02.2026 12:11:03][debug][Jellyfin] Tar out: tar: /mnt/user/appdata/Jellyfin/data/jellyfin.db: File shrank by 56926208 bytes; padding with zeros[16.02.2026 12:11:03][❌][Jellyfin] tar creation failed! Tar said: tar: /mnt/user/appdata/Jellyfin/data/jellyfin.db: File shrank by 56926208 bytes; padding with zeros[16.02.2026 12:11:29][debug][Jellyfin] lsof(/mnt/user/appdata/Jellyfin)Array(I tried manually stopped Jellyfin before backup. But also Appdata's automatic Stop all containers works and stops everything fine.
February 23Feb 23 Community Expert You can go directly to the correct support thread for any of your plugins by clicking its Support link in the Plugins page of your Unraid webUI.
February 23Feb 23 Author 23 minutes ago, trurl said:You can go directly to the correct support thread for any of your plugins by clicking its Support link in the Plugins page of your Unraid webUI.Thank you, I'll do that.Would this seem like a Appdata Backup Issue or Jellyfin issue?
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