How can I determine the cause of data loss within the last two hours after a computer reboot? Before the reboot, the data was present and displayed correctly.
feb 06 22:19:17 - Stopped prometheus.service
Reboot
feb 06 22:20:32 - Started prometheus.service
feb 06 22:00:05 MyHomeAssistant prometheus[5088]: ts=2026-02-06T19:00:05.605Z caller=compact.go:523 level=info component=tsdb msg=“write block” mint=1770393600437 maxt=1770400800000 ulid=01KGT56R6BMM3J9ZEHPFMV416M duration=154.034112ms
feb 06 22:00:05 MyHomeAssistant prometheus[5088]: ts=2026-02-06T19:00:05.619Z caller=head.go:1293 level=info component=tsdb msg=“Head GC completed” caller=truncateMemory duration=3.624406ms
feb 06 22:00:05 MyHomeAssistant prometheus[5088]: ts=2026-02-06T19:00:05.619Z caller=checkpoint.go:100 level=info component=tsdb msg=“Creating checkpoint” from_segment=158 to_segment=159 mint=1770400800000
feb 06 22:00:05 MyHomeAssistant prometheus[5088]: ts=2026-02-06T19:00:05.638Z caller=head.go:1261 level=info component=tsdb msg=“WAL checkpoint complete” first=158 last=159 duration=19.327309ms
feb 06 22:19:17 MyHomeAssistant systemd[1]: Stopping prometheus.service - Monitoring system and time series database…
feb 06 22:19:17 MyHomeAssistant prometheus[5088]: ts=2026-02-06T19:19:17.744Z caller=main.go:839 level=warn msg=“Received SIGTERM, exiting gracefully…”
feb 06 22:19:17 MyHomeAssistant prometheus[5088]: ts=2026-02-06T19:19:17.744Z caller=main.go:863 level=info msg=“Stopping scrape discovery manager…”
feb 06 22:19:17 MyHomeAssistant prometheus[5088]: ts=2026-02-06T19:19:17.744Z caller=main.go:877 level=info msg=“Stopping notify discovery manager…”
feb 06 22:19:17 MyHomeAssistant prometheus[5088]: ts=2026-02-06T19:19:17.744Z caller=manager.go:1013 level=info component=“rule manager” msg=“Stopping rule manager…”
feb 06 22:19:17 MyHomeAssistant prometheus[5088]: ts=2026-02-06T19:19:17.744Z caller=main.go:859 level=info msg=“Scrape discovery manager stopped”
feb 06 22:19:17 MyHomeAssistant prometheus[5088]: ts=2026-02-06T19:19:17.744Z caller=main.go:873 level=info msg=“Notify discovery manager stopped”
feb 06 22:19:17 MyHomeAssistant prometheus[5088]: ts=2026-02-06T19:19:17.744Z caller=manager.go:1023 level=info component=“rule manager” msg=“Rule manager stopped”
feb 06 22:19:17 MyHomeAssistant prometheus[5088]: ts=2026-02-06T19:19:17.744Z caller=main.go:914 level=info msg=“Stopping scrape manager…”
feb 06 22:19:17 MyHomeAssistant prometheus[5088]: ts=2026-02-06T19:19:17.744Z caller=main.go:906 level=info msg=“Scrape manager stopped”
feb 06 22:19:17 MyHomeAssistant prometheus[5088]: ts=2026-02-06T19:19:17.880Z caller=notifier.go:603 level=info component=notifier msg=“Stopping notification manager…”
feb 06 22:19:17 MyHomeAssistant prometheus[5088]: ts=2026-02-06T19:19:17.883Z caller=main.go:1135 level=info msg=“Notifier manager stopped”
feb 06 22:19:17 MyHomeAssistant prometheus[5088]: ts=2026-02-06T19:19:17.883Z caller=main.go:1147 level=info msg=“See you next time!”
feb 06 22:19:17 MyHomeAssistant systemd[1]: prometheus.service: Deactivated successfully.
feb 06 22:19:17 MyHomeAssistant systemd[1]: Stopped prometheus.service - Monitoring system and time series database.
feb 06 22:19:17 MyHomeAssistant systemd[1]: prometheus.service: Consumed 7min 50.666s CPU time, 260.2M memory peak, 0B memory swap peak.
– Boot 26f8264e9eab4234ad3c12f409165968 –
feb 06 22:20:32 MyHomeAssistant systemd[1]: Started prometheus.service - Monitoring system and time series database.
feb 06 22:20:33 MyHomeAssistant prometheus[6825]: ts=2026-02-06T19:20:33.928Z caller=main.go:563 level=info msg=“Starting Prometheus Server” mode=server version=“(version=2.45.3+ds, branch=debian/sid, revision=2.45.3+ds-2ubuntu0.3)”
feb 06 22:20:33 MyHomeAssistant prometheus[6825]: ts=2026-02-06T19:20:33.932Z caller=main.go:568 level=info build_context=“(go=go1.22.2, platform=linux/amd64, user=team+pkg-go@tracker.debian.org, date=20250721-00:51:10, tags=unknown)”
feb 06 22:20:33 MyHomeAssistant prometheus[6825]: ts=2026-02-06T19:20:33.932Z caller=main.go:569 level=info host_details=“(Linux 6.17.0-14-generic #14~24.04.1-Ubuntu SMP PREEMPT_DYNAMIC Thu Jan 15 15:52:10 UTC 2 x86_64 MyHomeAssistant (none))”
feb 06 22:20:33 MyHomeAssistant prometheus[6825]: ts=2026-02-06T19:20:33.932Z caller=main.go:570 level=info fd_limits=“(soft=8192, hard=8192)”
feb 06 22:20:33 MyHomeAssistant prometheus[6825]: ts=2026-02-06T19:20:33.932Z caller=main.go:571 level=info vm_limits=“(soft=unlimited, hard=unlimited)”
feb 06 22:20:33 MyHomeAssistant prometheus[6825]: ts=2026-02-06T19:20:33.953Z caller=web.go:504 level=info component=web msg=“Start listening for connections” address=0.0.0.0:9090
feb 06 22:20:33 MyHomeAssistant prometheus[6825]: ts=2026-02-06T19:20:33.956Z caller=main.go:1004 level=info msg=“Starting TSDB …”
feb 06 22:20:33 MyHomeAssistant prometheus[6825]: ts=2026-02-06T19:20:33.972Z caller=tls_config.go:313 level=info component=web msg=“Listening on” address=[::]:9090
feb 06 22:20:33 MyHomeAssistant prometheus[6825]: ts=2026-02-06T19:20:33.976Z caller=tls_config.go:316 level=info component=web msg=“TLS is disabled.” http2=false address=[::]:9090
feb 06 22:20:33 MyHomeAssistant prometheus[6825]: ts=2026-02-06T19:20:33.976Z caller=repair.go:56 level=info component=tsdb msg=“Found healthy block” mint=1704110400436 maxt=1705860000000 ulid=01HMQ41CC4PR4YVR26YXS751VA
feb 06 22:20:33 MyHomeAssistant prometheus[6825]: ts=2026-02-06T19:20:33.987Z caller=repair.go:56 level=info component=tsdb msg=“Found healthy block” mint=1705860000437 maxt=1707609600000 ulid=01HPB8JT9VCCF2ZVHWSCQDP08P
feb 06 22:20:33 MyHomeAssistant prometheus[6825]: ts=2026-02-06T19:20:33.991Z caller=repair.go:56 level=info component=tsdb msg=“Found healthy block” mint=1707609600437 maxt=1709359200000 ulid=01HQZD4GBNGDGQXGM5Q6QKZ9M9
feb 06 22:20:33 MyHomeAssistant prometheus[6825]: ts=2026-02-06T19:20:33.999Z caller=repair.go:56 level=info component=tsdb msg=“Found healthy block” mint=1709359200437 maxt=1711108800000 ulid=01HSKHP1M7MQAQT44MCPJG59DT
feb 06 22:20:34 MyHomeAssistant prometheus[6825]: ts=2026-02-06T19:20:34.006Z caller=repair.go:56 level=info component=tsdb msg=“Found healthy block” mint=1711108800436 maxt=1712858400000 ulid=01HV7P7KXEF0R2VX7FWFE83CQK
feb 06 22:20:34 MyHomeAssistant prometheus[6825]: ts=2026-02-06T19:20:34.010Z caller=repair.go:56 level=info component=tsdb msg=“Found healthy block” mint=1712858400439 maxt=1714608000000 ulid=01HWVTS4WX65YV0JRMQT87A4Y3
feb 06 22:20:34 MyHomeAssistant prometheus[6825]: ts=2026-02-06T19:20:34.017Z caller=repair.go:56 level=info component=tsdb msg=“Found healthy block” mint=1714608000436 maxt=1716357600000 ulid=01HYFZAQ76PDNFPR1P31WQG39Y
feb 06 22:20:34 MyHomeAssistant prometheus[6825]: ts=2026-02-06T19:20:34.023Z caller=repair.go:56 level=info component=tsdb msg=“Found healthy block” mint=1716357600436 maxt=1718107200000 ulid=01J043W8E565BDYYZF75A5RQBH
feb 06 22:20:34 MyHomeAssistant prometheus[6825]: ts=2026-02-06T19:20:34.029Z caller=repair.go:56 level=info component=tsdb msg=“Found healthy block” mint=1718107200437 maxt=1719856800000 ulid=01J1R8DT96T4SKEK88G23HVHCM
feb 06 22:20:34 MyHomeAssistant prometheus[6825]: ts=2026-02-06T19:20:34.036Z caller=repair.go:56 level=info component=tsdb msg=“Found healthy block” mint=1719856800436 maxt=1721606400000 ulid=01J3CCZCCN4Z4J5RQKH0V91ZW9
feb 06 22:20:34 MyHomeAssistant prometheus[6825]: ts=2026-02-06T19:20:34.040Z caller=repair.go:56 level=info component=tsdb msg=“Found healthy block” mint=1721606400437 maxt=1723356000000 ulid=01J50HGYDAPKM8E320653BXQTZ
feb 06 22:20:34 MyHomeAssistant prometheus[6825]: ts=2026-02-06T19:20:34.046Z caller=repair.go:56 level=info component=tsdb msg=“Found healthy block” mint=1723356000437 maxt=1725105600000 ulid=01J6MP2FNTDPX9AJ9KPHMT1JY5
feb 06 22:20:34 MyHomeAssistant prometheus[6825]: ts=2026-02-06T19:20:34.053Z caller=repair.go:56 level=info component=tsdb msg=“Found healthy block” mint=1728410400439 maxt=1728604800000 ulid=01JAYKNQFJ2TH1QTHW1PRQBT8K
feb 06 22:20:34 MyHomeAssistant prometheus[6825]: ts=2026-02-06T19:20:34.057Z caller=repair.go:56 level=info component=tsdb msg=“Found healthy block” mint=1725105600437 maxt=1726005600000 ulid=01JB13DNF9CMANY78S41DGA8DM
feb 06 22:20:34 MyHomeAssistant prometheus[6825]: ts=2026-02-06T19:20:34.062Z caller=repair.go:56 level=info component=tsdb msg=“Found healthy block” mint=1728604800437 maxt=1730354400000 ulid=01JBH3Q5ACN71RYEDX820PRSXZ
feb 06 22:20:34 MyHomeAssistant prometheus[6825]: ts=2026-02-06T19:20:34.077Z caller=repair.go:56 level=info component=tsdb msg=“Found healthy block” mint=1730354400002 maxt=1732104000000 ulid=01JD588PJ4FT7RTT8D0K3B1EWA
feb 06 22:20:34 MyHomeAssistant prometheus[6825]: ts=2026-02-06T19:20:34.084Z caller=repair.go:56 level=info component=tsdb msg=“Found healthy block” mint=1732104000437 maxt=1733853600000 ulid=01JESCT8JHGHDEHEENQNQZP94D
feb 06 22:20:34 MyHomeAssistant prometheus[6825]: ts=2026-02-06T19:20:34.088Z caller=repair.go:56 level=info component=tsdb msg=“Found healthy block” mint=1733853600437 maxt=1735603200000 ulid=01JGDHBTKNDEDXHEEBJ1CWV783
feb 06 22:20:34 MyHomeAssistant prometheus[6825]: ts=2026-02-06T19:20:34.092Z caller=repair.go:56 level=info component=tsdb msg=“Found healthy block” mint=1735603200436 maxt=1737352800000 ulid=01JJ1NX78Q5725Q93KD2NMWME5
feb 06 22:20:34 MyHomeAssistant prometheus[6825]: ts=2026-02-06T19:20:34.095Z caller=repair.go:56 level=info component=tsdb msg=“Found healthy block” mint=1737352800032 maxt=1739102400000 ulid=01JKNTEXW5J2KGENXZ44RJSZE8
feb 06 22:20:34 MyHomeAssistant prometheus[6825]: ts=2026-02-06T19:20:34.102Z caller=repair.go:56 level=info component=tsdb msg=“Found healthy block” mint=1739102400023 maxt=1740852000000 ulid=01JN9Z0G0JJ7T0A5V6E3QAT4T5
feb 06 22:20:34 MyHomeAssistant prometheus[6825]: ts=2026-02-06T19:20:34.108Z caller=repair.go:56 level=info component=tsdb msg=“Found healthy block” mint=1740852000436 maxt=1742601600000 ulid=01JPY3HYKNW2KA5NP6ZNDPKJ2V
feb 06 22:20:34 MyHomeAssistant prometheus[6825]: ts=2026-02-06T19:20:34.117Z caller=repair.go:56 level=info component=tsdb msg=“Found healthy block” mint=1742601600440 maxt=1744351200000 ulid=01JRJ83JGBTF1JEPTTMWN6Y9EX
feb 06 22:20:34 MyHomeAssistant prometheus[6825]: ts=2026-02-06T19:20:34.122Z caller=repair.go:56 level=info component=tsdb msg=“Found healthy block” mint=1744351200436 maxt=1746100800000 ulid=01JT6CN4YDVDXG8QCR0PRYN13P
feb 06 22:20:34 MyHomeAssistant prometheus[6825]: ts=2026-02-06T19:20:34.130Z caller=repair.go:56 level=info component=tsdb msg=“Found healthy block” mint=1746100800436 maxt=1747850400000 ulid=01JVTH6Q5N7K161F1M2BHH74TG
feb 06 22:20:34 MyHomeAssistant prometheus[6825]: ts=2026-02-06T19:20:34.138Z caller=repair.go:56 level=info component=tsdb msg=“Found healthy block” mint=1747850400440 maxt=1749600000000 ulid=01JXENR8HR6Q74GY0RNXPRFZ92
feb 06 22:20:34 MyHomeAssistant prometheus[6825]: ts=2026-02-06T19:20:34.146Z caller=repair.go:56 level=info component=tsdb msg=“Found healthy block” mint=1749600000438 maxt=1751349600000 ulid=01JZ2T9TJFP81FGTSM1P262A0P
feb 06 22:20:34 MyHomeAssistant prometheus[6825]: ts=2026-02-06T19:20:34.150Z caller=repair.go:56 level=info component=tsdb msg=“Found healthy block” mint=1751349600440 maxt=1753099200000 ulid=01K0PYVCH65H13RRMEXMD5JWWJ
feb 06 22:20:34 MyHomeAssistant prometheus[6825]: ts=2026-02-06T19:20:34.156Z caller=repair.go:56 level=info component=tsdb msg=“Found healthy block” mint=1753099200846 maxt=1754848800000 ulid=01K2B3CXR0AW3GAQZ8XTDAX5BG
feb 06 22:20:34 MyHomeAssistant prometheus[6825]: ts=2026-02-06T19:20:34.165Z caller=repair.go:56 level=info component=tsdb msg=“Found healthy block” mint=1754848800436 maxt=1756598400000 ulid=01K3Z7YFM4SD5JJEN73C914F6N
feb 06 22:20:34 MyHomeAssistant prometheus[6825]: ts=2026-02-06T19:20:34.176Z caller=repair.go:56 level=info component=tsdb msg=“Found healthy block” mint=1756598400436 maxt=1758348000000 ulid=01K5KCG0VTFSGY8XVSPK6KAR10
feb 06 22:20:34 MyHomeAssistant prometheus[6825]: ts=2026-02-06T19:20:34.185Z caller=repair.go:56 level=info component=tsdb msg=“Found healthy block” mint=1758348000437 maxt=1760097600000 ulid=01K77H1M4XHXJ8MW0SP38YP83W
feb 06 22:20:34 MyHomeAssistant prometheus[6825]: ts=2026-02-06T19:20:34.188Z caller=repair.go:56 level=info component=tsdb msg=“Found healthy block” mint=1760097600857 maxt=1761847200000 ulid=01K8VNK5682V1S6AKTRAV7JQHF
feb 06 22:20:34 MyHomeAssistant prometheus[6825]: ts=2026-02-06T19:20:34.198Z caller=repair.go:56 level=info component=tsdb msg=“Found healthy block” mint=1761847200436 maxt=1763596800000 ulid=01KAFT4PY0RKDDPDPDPD3KEE46
feb 06 22:20:34 MyHomeAssistant prometheus[6825]: ts=2026-02-06T19:20:34.200Z caller=repair.go:56 level=info component=tsdb msg=“Found healthy block” mint=1763596800441 maxt=1765346400000 ulid=01KC3YP7ZSECYEJ03T4H987HAR
feb 06 22:20:34 MyHomeAssistant prometheus[6825]: ts=2026-02-06T19:20:34.206Z caller=repair.go:56 level=info component=tsdb msg=“Found healthy block” mint=1765346400437 maxt=1767096000000 ulid=01KDR37T33504MB30Q6N6JYS3E
feb 06 22:20:34 MyHomeAssistant prometheus[6825]: ts=2026-02-06T19:20:34.211Z caller=repair.go:56 level=info component=tsdb msg=“Found healthy block” mint=1767096000437 maxt=1768845600000 ulid=01KFC7SBJ8ZGHDN739FNBE0SEE
feb 06 22:20:34 MyHomeAssistant prometheus[6825]: ts=2026-02-06T19:20:34.220Z caller=repair.go:56 level=info component=tsdb msg=“Found healthy block” mint=1768845600438 maxt=1769428800000 ulid=01KFXKZ5DZG2C5N516W2H65HJK
feb 06 22:20:34 MyHomeAssistant prometheus[6825]: ts=2026-02-06T19:20:34.223Z caller=repair.go:56 level=info component=tsdb msg=“Found healthy block” mint=1769428800436 maxt=1770012000000 ulid=01KGF050JHSJAHKKB844Q8AS9K
feb 06 22:20:34 MyHomeAssistant prometheus[6825]: ts=2026-02-06T19:20:34.231Z caller=repair.go:56 level=info component=tsdb msg=“Found healthy block” mint=1770012000436 maxt=1770206400000 ulid=01KGMSHKRKGA32B5C87A5MEGFY
feb 06 22:20:34 MyHomeAssistant prometheus[6825]: ts=2026-02-06T19:20:34.236Z caller=repair.go:56 level=info component=tsdb msg=“Found healthy block” mint=1770206400436 maxt=1770264000000 ulid=01KGPQB4K4BDNHPVYJ6EFT1WQG
feb 06 22:20:34 MyHomeAssistant prometheus[6825]: ts=2026-02-06T19:20:34.242Z caller=repair.go:56 level=info component=tsdb msg=“Found healthy block” mint=1770271200437 maxt=1770336000000 ulid=01KGRN4NVMBYDCEESDFJ02WZ30
feb 06 22:20:34 MyHomeAssistant prometheus[6825]: ts=2026-02-06T19:20:34.249Z caller=repair.go:56 level=info component=tsdb msg=“Found healthy block” mint=1770336000437 maxt=1770357600000 ulid=01KGS9QVCZNPVA5Q182THHZ8JX
feb 06 22:20:34 MyHomeAssistant prometheus[6825]: ts=2026-02-06T19:20:34.256Z caller=repair.go:56 level=info component=tsdb msg=“Found healthy block” mint=1770379200437 maxt=1770386400000 ulid=01KGSQF9PDHH7RFKE3Y8EHYM2G
feb 06 22:20:34 MyHomeAssistant prometheus[6825]: ts=2026-02-06T19:20:34.259Z caller=repair.go:56 level=info component=tsdb msg=“Found healthy block” mint=1770386400437 maxt=1770393600000 ulid=01KGSYB0YBTS9FH3VQ6YMGM5QZ
feb 06 22:20:34 MyHomeAssistant prometheus[6825]: ts=2026-02-06T19:20:34.262Z caller=repair.go:56 level=info component=tsdb msg=“Found healthy block” mint=1770357600437 maxt=1770379200000 ulid=01KGSYB13YERZH6T72GV1Y1KH1
feb 06 22:20:34 MyHomeAssistant prometheus[6825]: ts=2026-02-06T19:20:34.266Z caller=repair.go:56 level=info component=tsdb msg=“Found healthy block” mint=1770393600437 maxt=1770400800000 ulid=01KGT56R6BMM3J9ZEHPFMV416M
feb 06 22:20:34 MyHomeAssistant prometheus[6825]: ts=2026-02-06T19:20:34.656Z caller=head.go:595 level=info component=tsdb msg=“Replaying on-disk memory mappable chunks if any”
feb 06 22:20:34 MyHomeAssistant prometheus[6825]: ts=2026-02-06T19:20:34.666Z caller=head.go:676 level=info component=tsdb msg=“On-disk memory mappable chunks replay completed” duration=9.902527ms
feb 06 22:20:34 MyHomeAssistant prometheus[6825]: ts=2026-02-06T19:20:34.666Z caller=head.go:684 level=info component=tsdb msg=“Replaying WAL, this may take a while”
feb 06 22:20:34 MyHomeAssistant prometheus[6825]: ts=2026-02-06T19:20:34.685Z caller=head.go:720 level=info component=tsdb msg=“WAL checkpoint loaded”
feb 06 22:20:34 MyHomeAssistant prometheus[6825]: ts=2026-02-06T19:20:34.685Z caller=head.go:792 level=info component=tsdb msg=“WAL replay completed” checkpoint_replay_duration=18.420557ms wal_replay_duration=183ns wbl_replay_duration=162ns total_replay_duration=28.39761ms
feb 06 22:20:34 MyHomeAssistant prometheus[6825]: ts=2026-02-06T19:20:34.692Z caller=main.go:1025 level=info fs_type=EXT4_SUPER_MAGIC
feb 06 22:20:34 MyHomeAssistant prometheus[6825]: ts=2026-02-06T19:20:34.692Z caller=main.go:1028 level=info msg=“TSDB started”
feb 06 22:20:34 MyHomeAssistant prometheus[6825]: ts=2026-02-06T19:20:34.692Z caller=main.go:1209 level=info msg=“Loading configuration file” filename=/etc/prometheus/prometheus.yml
feb 06 22:20:34 MyHomeAssistant prometheus[6825]: ts=2026-02-06T19:20:34.696Z caller=main.go:1246 level=info msg=“Completed loading of configuration file” filename=/etc/prometheus/prometheus.yml totalDuration=3.666638ms db_storage=1.874µs remote_storage=1.585µs web_handler=619ns query_engine=1.258µs scrape=1.237852ms scrape_sd=70.426µs notify=1.877914ms notify_sd=30.681µs rules=1.973µs tracing=12.212µs
feb 06 22:20:34 MyHomeAssistant prometheus[6825]: ts=2026-02-06T19:20:34.696Z caller=main.go:989 level=info msg=“Server is ready to receive web requests.”
feb 06 22:20:34 MyHomeAssistant prometheus[6825]: ts=2026-02-06T19:20:34.696Z caller=manager.go:999 level=info component=“rule manager” msg=“Starting rule manager…”