新增主库落在 pve1(HDD)时的回切提示告警
自动切换后主库安全落到 pve1 不会触发无主/多主规则;2026-09-30 的切换一天无人察觉。 Co-Authored-By: Claude Opus 5.5 <[email protected]>
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@@ -24,6 +24,15 @@ spec:
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labels: {severity: warning, service: shared-postgresql}
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annotations:
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summary: '共享 PG {{ $labels.env }} {{ $labels.member }} 无法以监控角色执行 SQL'
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# 正常 primary 在 laptop ZFS SSD;pve1 的数据盘是 HDD。自动切换后主库安全落到 pve1
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# 不会触发任何“无主/多主”规则(2026-09-30 的切换整整一天无人察觉),所以单独提示回切。
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# 15m 留给计划内切换演练。
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- alert: SharedPostgresPrimaryOnStandbyHost
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expr: pg_replication_is_replica{job="shared-postgresql-sql", env="prod", member="pg-pve1"} == 0
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for: 15m
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labels: {severity: warning, service: shared-postgresql}
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annotations:
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summary: 共享 PG 生产主库运行在 pg-pve1(HDD),请确认切换原因并计划回切 laptop
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- alert: SharedPostgresSqlCollectorFailing
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expr: pg_scrape_collector_success{job="shared-postgresql-sql"} == 0 or pg_exporter_last_scrape_error{job="shared-postgresql-sql"} == 1
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for: 10m
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