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RN214 OS6.10.10 Snapshots
I found this post from 2021, but I am not seeing what I expect from snapshots. I have had this config for a long time, let's assume >2Y. I expected a monthly snapshot to be retained, as the d...
Yes, something triggered the mass deletion, it seems quite random, I can't see anything in the lofs that would indicate a reason (so I am quite baffled đ).
I don't believe there is any issue with free storage space, I generally do not delete anything on the NAS (it's mainly photos, family video, music, etc). Here is the live info
~# btrfs filesystem df /data
Data, single: total=8.79TiB, used=8.79TiB
System, RAID1: total=32.00MiB, used=992.00KiB
Metadata, RAID1: total=1.00GiB, used=8.00MiB
Metadata, DUP: total=1.00GiB, used=432.16MiB
GlobalReserve, single: total=68.25MiB, used=0.00B
~# btrfs filesystem usage /data
Overall:
Device size: 14.54TiB
Device allocated: 8.80TiB
Device unallocated: 5.74TiB
Device missing: 0.00B
Used: 8.79TiB
Free (estimated): 5.75TiB (min: 2.88TiB)
Data ratio: 1.00
Metadata ratio: 2.00
Global reserve: 68.25MiB (used: 0.00B)
Data,single: Size:8.79TiB, Used:8.79TiB
/dev/md126 784.00GiB
/dev/md127 8.03TiB
Metadata,RAID1: Size:1.00GiB, Used:8.00MiB
/dev/md126 1.00GiB
/dev/md127 1.00GiB
Metadata,DUP: Size:1.00GiB, Used:432.16MiB
/dev/md127 2.00GiB
System,RAID1: Size:32.00MiB, Used:992.00KiB
/dev/md126 32.00MiB
/dev/md127 32.00MiB
Unallocated:
/dev/md126 2.87TiB
/dev/md127 2.87TiB
The status.log shows a defrag 21/Aug/2026 - the log goes back to 5/Oct/2023 (which is when I reset and reinitialised the system), so again, no real clues there (yet).
Any other thought of where to look?
I will consider the custom snapshots as StephenBâ mentions, but I'd love to get to the bottom of this too.
Looking at status.log again, I observe the snapshot deletions (clearouts) seem to happen soon after a reboot:
I haven't yet run my script to check the ages, but here is a snip:
[25/05/06 19:38:25 WEST] notice:system:LOGMSG_SYSTEM_HALT The system is shutting down.
[25/05/22 10:54:04 WEST] info:snapshot:LOGMSG_SMART_SNAPSHOT_DELETE_INFO Snapshot prune worker successfully deleted snapshot 2025_04_23__00_00_05 from share or LUN Shared.
[25/05/22 10:54:05 WEST] info:snapshot:LOGMSG_SMART_SNAPSHOT_DELETE_INFO Snapshot prune worker successfully deleted snapshot 2025_04_22__00_00_03 from share or LUN Shared.
[25/05/22 10:54:05 WEST] info:snapshot:LOGMSG_SMART_SNAPSHOT_DELETE_INFO Snapshot prune worker successfully deleted snapshot 2025_04_21__00_00_01 from share or LUN Shared.
[25/05/22 10:54:05 WEST] info:snapshot:LOGMSG_SMART_SNAPSHOT_DELETE_INFO Snapshot prune worker successfully deleted snapshot 2025_04_20__00_00_29 from share or LUN Shared.
[25/05/22 10:54:06 WEST] info:snapshot:LOGMSG_SMART_SNAPSHOT_DELETE_INFO Snapshot prune worker successfully deleted snapshot 2025_04_18__00_00_28 from share or LUN Shared.
[25/05/22 10:54:06 WEST] info:snapshot:LOGMSG_SMART_SNAPSHOT_DELETE_INFO Snapshot prune worker successfully deleted snapshot 2025_04_16__00_00_25 from share or LUN Shared.
[25/05/22 10:54:07 WEST] info:snapshot:LOGMSG_SMART_SNAPSHOT_DELETE_INFO Snapshot prune worker successfully deleted snapshot 2025_04_09__00_00_28 from share or LUN Shared.
[25/05/22 10:54:19 WEST] info:system:LOGMSG_START_READYNASD ReadyNASOS background service started.
[25/06/21 13:00:14 WEST] info:snapshot:LOGMSG_SMART_SNAPSHOT_DELETE_INFO Snapshot prune worker successfully deleted snapshot 2025_04_26__00_00_05 from share or LUN Shared.
[25/06/21 14:00:22 WEST] info:snapshot:LOGMSG_SMART_SNAPSHOT_DELETE_INFO Snapshot prune worker successfully deleted snapshot 2025_03_19__00_00_02 from share or LUN Shared.
[25/06/21 15:00:31 WEST] info:snapshot:LOGMSG_SMART_SNAPSHOT_DELETE_INFO Snapshot prune worker successfully deleted snapshot 2025_02_28__00_00_20 from share or LUN Shared.
[25/06/21 17:00:39 WEST] info:snapshot:LOGMSG_SMART_SNAPSHOT_DELETE_INFO Snapshot prune worker successfully deleted snapshot 2025_01_31__00_00_13 from share or LUN Shared.
[25/06/22 00:01:22 WEST] notice:system:LOGMSG_SYSTEM_HALT The system is shutting down.
[25/06/24 14:50:28 WEST] info:snapshot:LOGMSG_SMART_SNAPSHOT_DELETE_INFO Snapshot prune worker successfully deleted snapshot 2024_11_30__00_00_19 from share or LUN Shared.
[25/06/24 14:50:43 WEST] info:system:LOGMSG_START_READYNASD ReadyNASOS background service started.
[25/06/25 06:50:37 WEST] info:snapshot:LOGMSG_SMART_SNAPSHOT_DELETE_INFO Snapshot prune worker successfully deleted snapshot 2024_10_25__00_00_14 from share or LUN Shared.
[25/06/25 07:50:45 WEST] info:snapshot:LOGMSG_SMART_SNAPSHOT_DELETE_INFO Snapshot prune worker successfully deleted snapshot 2024_09_15__00_00_25 from share or LUN Shared.
[25/06/25 08:50:53 WEST] info:snapshot:LOGMSG_SMART_SNAPSHOT_DELETE_INFO Snapshot prune worker successfully deleted snapshot 2024_08_26__00_00_22 from share or LUN Shared.
[25/06/25 09:51:01 WEST] info:snapshot:LOGMSG_SMART_SNAPSHOT_DELETE_INFO Snapshot prune worker successfully deleted snapshot 2024_07_29__00_00_14 from share or LUN Shared.
[25/06/26 12:51:09 WEST] info:snapshot:LOGMSG_SMART_SNAPSHOT_DELETE_INFO Snapshot prune worker successfully deleted snapshot 2024_06_30__00_00_16 from share or LUN Shared.
[25/06/26 13:51:17 WEST] info:snapshot:LOGMSG_SMART_SNAPSHOT_DELETE_INFO Snapshot prune worker successfully deleted snapshot 2024_05_31__00_00_05 from share or LUN Shared.
[25/06/27 15:51:26 WEST] info:snapshot:LOGMSG_SMART_SNAPSHOT_DELETE_INFO Snapshot prune worker successfully deleted snapshot 2024_04_20__00_00_15 from share or LUN Shared.
[25/06/28 17:51:34 WEST] info:snapshot:LOGMSG_SMART_SNAPSHOT_DELETE_INFO Snapshot prune worker successfully deleted snapshot 2024_03_28__00_00_07 from share or LUN Shared.
[25/06/29 20:51:42 WEST] info:snapshot:LOGMSG_SMART_SNAPSHOT_DELETE_INFO Snapshot prune worker successfully deleted snapshot 2024_02_24__00_00_08 from share or LUN Shared.
[25/06/30 09:51:51 WEST] info:snapshot:LOGMSG_SMART_SNAPSHOT_DELETE_INFO Snapshot prune worker successfully deleted snapshot 2024_01_25__00_00_14 from share or LUN Shared.
[25/06/30 10:51:59 WEST] info:snapshot:LOGMSG_SMART_SNAPSHOT_DELETE_INFO Snapshot prune worker successfully deleted snapshot 2023_12_31__00_00_43 from share or LUN Shared.
[25/06/30 14:52:07 WEST] info:snapshot:LOGMSG_SMART_SNAPSHOT_DELETE_INFO Snapshot prune worker successfully deleted snapshot 2023_11_27__00_00_04 from share or LUN Shared.
[25/07/05 10:52:16 WEST] info:snapshot:LOGMSG_SMART_SNAPSHOT_DELETE_INFO Snapshot prune worker successfully deleted snapshot 2023_10_30__00_00_22 from share or LUN Shared.
[26/02/21 07:25:03 WET] notice:system:LOGMSG_SYSTEM_HALT The system is shutting down.
[26/02/22 08:36:42 WET] info:system:LOGMSG_START_READYNASD ReadyNASOS background service started.
[26/02/23 00:00:13 WET] info:snapshot:LOGMSG_SNAPSHOT_CREATE_INFO Snapshot c_1771804811 was successfully created for share or LUN Shared.
[26/02/26 00:00:11 WET] info:snapshot:LOGMSG_SNAPSHOT_CREATE_INFO Snapshot c_1772064010 was successfully created for share or LUN Shared.
[26/03/01 00:00:43 WET] info:snapshot:LOGMSG_SNAPSHOT_CREATE_INFO Snapshot c_1772323243 was successfully created for share or LUN Shared.
[26/03/15 12:40:56 WET] info:snapshot:LOGMSG_SMART_SNAPSHOT_DELETE_INFO Snapshot prune worker successfully deleted snapshot 2026_02_15__00_00_43 from share or LUN Shared.
[26/03/25 17:42:07 WET] info:snapshot:LOGMSG_SMART_SNAPSHOT_DELETE_INFO Snapshot prune worker successfully deleted snapshot 2026_02_23__00_00_11 from share or LUN Shared.
[26/03/29 14:42:38 WEST] info:snapshot:LOGMSG_SMART_SNAPSHOT_DELETE_INFO Snapshot prune worker successfully deleted snapshot 2026_03_01__00_00_43 from share or LUN Shared.
[26/03/30 16:42:46 WEST] info:snapshot:LOGMSG_SMART_SNAPSHOT_DELETE_INFO Snapshot prune worker successfully deleted snapshot 2026_02_26__00_00_10 from share or LUN Shared.
[26/04/18 10:44:21 WEST] info:snapshot:LOGMSG_SMART_SNAPSHOT_DELETE_INFO Snapshot prune worker successfully deleted snapshot 2026_02_21__00_00_08 from share or LUN Shared.
[26/04/19 11:44:29 WEST] info:snapshot:LOGMSG_SMART_SNAPSHOT_DELETE_INFO Snapshot prune worker successfully deleted snapshot 2025_12_27__00_00_18 from share or LUN Shared.
[26/04/22 09:44:37 WEST] info:snapshot:LOGMSG_SMART_SNAPSHOT_DELETE_INFO Snapshot prune worker successfully deleted snapshot 2025_11_27__00_00_23 from share or LUN Shared.
[26/04/24 10:44:46 WEST] info:snapshot:LOGMSG_SMART_SNAPSHOT_DELETE_INFO Snapshot prune worker successfully deleted snapshot 2025_10_30__00_00_09 from share or LUN Shared.
[26/04/24 20:44:54 WEST] info:snapshot:LOGMSG_SMART_SNAPSHOT_DELETE_INFO Snapshot prune worker successfully deleted snapshot 2025_09_24__00_00_07 from share or LUN Shared.
[26/04/25 10:45:02 WEST] info:snapshot:LOGMSG_SMART_SNAPSHOT_DELETE_INFO Snapshot prune worker successfully deleted snapshot 2025_08_28__00_00_00 from share or LUN Shared.
[26/04/25 11:45:10 WEST] info:snapshot:LOGMSG_SMART_SNAPSHOT_DELETE_INFO Snapshot prune worker successfully deleted snapshot 2025_07_24__00_00_21 from share or LUN Shared.
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