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---
## https://awesome-prometheus-alerts.grep.to/rules#host-and-hardware
prometheus_server_rules_node_extra: []
prometheus_server_rules_node:
  - alert: HostOutOfMemory
    expr: node_memory_MemAvailable_bytes / node_memory_MemTotal_bytes * 100 < 10
    for: 2m
    labels:
      severity: warning
    annotations:
      summary: Host out of memory (instance {{ '{{' }} $labels.instance {{ '}}' }})
      description: "Node memory is filling up (< 10% left)\n  VALUE = {{ '{{' }} $value {{ '}}' }}\n  LABELS = {{ '{{' }} $labels {{ '}}' }}"

  - alert: HostMemoryUnderMemoryPressure
    expr: rate(node_vmstat_pgmajfault[1m]) > 1000
    for: 2m
    labels:
      severity: warning
    annotations:
      summary: Host memory under memory pressure (instance {{ '{{' }} $labels.instance {{ '}}' }})
      description: "The node is under heavy memory pressure. High rate of major page faults\n  VALUE = {{ '{{' }} $value {{ '}}' }}\n  LABELS = {{ '{{' }} $labels {{ '}}' }}"

  - alert: HostMemoryHardwareCorrupted
    expr: node_memory_HardwareCorrupted_bytes > 0
    labels:
      severity: warning
    annotations:
      summary: Host memory is corrupted (instance {{ '{{' }} $labels.instance {{ '}}' }})
      description: "The node reports {{ '{{' }} $value {{ '}}' }} bytes of corrupted memory.\n  VALUE = {{ '{{' }} $value {{ '}}' }}\n  LABELS = {{ '{{' }} $labels {{ '}}' }}"

  - alert: HostOutOfDiskSpace
    expr: (node_filesystem_avail_bytes * 100) / node_filesystem_size_bytes < 10 and ON (instance, device, mountpoint) node_filesystem_readonly{fstype!~"(tmpfs|nfs4?|cifs)"} == 0
    for: 2m
    labels:
      severity: warning
    annotations:
      summary: Host out of disk space (instance {{ '{{' }} $labels.instance {{ '}}' }})
      description: "Disk is almost full (< 10% left)\n  VALUE = {{ '{{' }} $value {{ '}}' }}\n  LABELS = {{ '{{' }} $labels {{ '}}' }}"

  - alert: HostDiskWillFillIn24Hours
    expr: (node_filesystem_avail_bytes * 100) / node_filesystem_size_bytes < 10 and ON (instance, device, mountpoint) predict_linear(node_filesystem_avail_bytes{fstype!~"(tmpfs|nfs4?|cifs)"}[1h], 24 * 3600) < 0 and ON (instance, device, mountpoint) node_filesystem_readonly == 0
    for: 2m
    labels:
      severity: warning
    annotations:
      summary: Host disk will fill in 24 hours (instance {{ '{{' }} $labels.instance {{ '}}' }})
      description: "Filesystem is predicted to run out of space within the next 24 hours at current write rate\n  VALUE = {{ '{{' }} $value {{ '}}' }}\n  LABELS = {{ '{{' }} $labels {{ '}}' }}"

  - alert: HostOutOfInodes
    expr: node_filesystem_files_free / node_filesystem_files * 100 < 10 and ON (instance, device, mountpoint) node_filesystem_readonly == 0
    for: 2m
    labels:
      severity: warning
    annotations:
      summary: Host out of inodes (instance {{ '{{' }} $labels.instance {{ '}}' }})
      description: "Disk is almost running out of available inodes (< 10% left)\n  VALUE = {{ '{{' }} $value {{ '}}' }}\n  LABELS = {{ '{{' }} $labels {{ '}}' }}"

  - alert: HostInodesWillFillIn24Hours
    expr: node_filesystem_files_free / node_filesystem_files * 100 < 10 and predict_linear(node_filesystem_files_free[1h], 24 * 3600) < 0 and ON (instance, device, mountpoint) node_filesystem_readonly == 0
    for: 2m
    labels:
      severity: warning
    annotations:
      summary: Host inodes will fill in 24 hours (instance {{ '{{' }} $labels.instance {{ '}}' }})
      description: "Filesystem is predicted to run out of inodes within the next 24 hours at current write rate\n  VALUE = {{ '{{' }} $value {{ '}}' }}\n  LABELS = {{ '{{' }} $labels {{ '}}' }}"

  - alert: HostUnusualDiskReadLatency
    expr: rate(node_disk_read_time_seconds_total[1m]) / rate(node_disk_reads_completed_total[1m]) > 0.2 and rate(node_disk_reads_completed_total[1m]) > 0
    for: 5m
    labels:
      severity: warning
    annotations:
      summary: Host unusual disk read latency (instance {{ '{{' }} $labels.instance {{ '}}' }})
      description: "Disk latency is growing (read operations > 100ms)\n  VALUE = {{ '{{' }} $value {{ '}}' }}\n  LABELS = {{ '{{' }} $labels {{ '}}' }}"

  - alert: HostUnusualDiskWriteLatency
    expr: rate(node_disk_write_time_seconds_total[1m]) / rate(node_disk_writes_completed_total[1m]) > 0.2 and rate(node_disk_writes_completed_total[1m]) > 0
    for: 5m
    labels:
      severity: warning
    annotations:
      summary: Host unusual disk write latency (instance {{ '{{' }} $labels.instance {{ '}}' }})
      description: "Disk latency is growing (write operations > 100ms)\n  VALUE = {{ '{{' }} $value {{ '}}' }}\n  LABELS = {{ '{{' }} $labels {{ '}}' }}"

  - alert: HostHighCpuLoad
    expr: 100 - (avg by(instance) (rate(node_cpu_seconds_total{mode="idle"}[2m])) * 100) > 80
    for: 20m
    labels:
      severity: warning
    annotations:
      summary: Host high CPU load (instance {{ '{{' }} $labels.instance {{ '}}' }})
      description: "CPU load is > 80%\n  VALUE = {{ '{{' }} $value {{ '}}' }}\n  LABELS = {{ '{{' }} $labels {{ '}}' }}"

  - alert: HostCpuStealNoisyNeighbor
    expr: avg by(instance) (rate(node_cpu_seconds_total{mode="steal"}[5m])) * 100 > 10
    for: 0m
    labels:
      severity: warning
    annotations:
      summary: Host CPU steal noisy neighbor (instance {{ '{{' }} $labels.instance {{ '}}' }})
      description: "CPU steal is > 10%. A noisy neighbor is killing VM performances or a spot instance may be out of credit.\n  VALUE = {{ '{{' }} $value {{ '}}' }}\n  LABELS = {{ '{{' }} $labels {{ '}}' }}"

  - alert: HostSystemdNotRunning
    expr: node_systemd_system_running == 0
    for: 0m
    labels:
      severity: warning
    annotations:
      summary: Host systemd is not in running state (instance {{ '{{' }} $labels.instance {{ '}}' }})
      description: "systemd is not in running state.\n  VALUE = {{ '{{' }} $value {{ '}}' }}\n  LABELS = {{ '{{' }} $labels {{ '}}' }}"

  - alert: HostSystemdServiceCrashed
    expr: node_systemd_unit_state{state="failed"} == 1
    for: 0m
    labels:
      severity: warning
    annotations:
      summary: Host systemd service crashed (instance {{ '{{' }} $labels.instance {{ '}}' }})
      description: "The systemd service unit {{ '{{' }} $labels.name {{ '}}' }} is in failed state.\n  VALUE = {{ '{{' }} $value {{ '}}' }}\n  LABELS = {{ '{{' }} $labels {{ '}}' }}"

  - alert: HostPhysicalComponentTooHot
    expr: node_hwmon_temp_celsius > 85
    for: 5m
    labels:
      severity: warning
    annotations:
      summary: Host physical component too hot (instance {{ '{{' }} $labels.instance {{ '}}' }})
      description: "Physical hardware component too hot\n  VALUE = {{ '{{' }} $value {{ '}}' }}\n  LABELS = {{ '{{' }} $labels {{ '}}' }}"

  - alert: HostNodeOvertemperatureAlarm
    expr: node_hwmon_temp_crit_alarm_celsius == 1
    for: 0m
    labels:
      severity: critical
    annotations:
      summary: Host node overtemperature alarm (instance {{ '{{' }} $labels.instance {{ '}}' }})
      description: "Physical node temperature alarm triggered\n  VALUE = {{ '{{' }} $value {{ '}}' }}\n  LABELS = {{ '{{' }} $labels {{ '}}' }}"

  - alert: HostRaidArrayGotInactive
    expr: node_md_state{state="inactive"} > 0
    for: 0m
    labels:
      severity: critical
    annotations:
      summary: Host RAID array got inactive (instance {{ '{{' }} $labels.instance {{ '}}' }})
      description: "RAID array {{ '{{' }} $labels.device {{ '}}' }} is in degraded state due to one or more disks failures. Number of spare drives is insufficient to fix issue automatically.\n  VALUE = {{ '{{' }} $value {{ '}}' }}\n  LABELS = {{ '{{' }} $labels {{ '}}' }}"

  - alert: HostRaidDiskFailure
    expr: node_md_disks{state="failed"} > 0
    for: 2m
    labels:
      severity: warning
    annotations:
      summary: Host RAID disk failure (instance {{ '{{' }} $labels.instance {{ '}}' }})
      description: "At least one device in RAID array on {{ '{{' }} $labels.instance {{ '}}' }} failed. Array {{ '{{' }} $labels.md_device {{ '}}' }} needs attention and possibly a disk swap\n  VALUE = {{ '{{' }} $value {{ '}}' }}\n  LABELS = {{ '{{' }} $labels {{ '}}' }}"

  - alert: HostOomKillDetected
    expr: increase(node_vmstat_oom_kill[1m]) > 0
    for: 0m
    labels:
      severity: warning
    annotations:
      summary: Host OOM kill detected (instance {{ '{{' }} $labels.instance {{ '}}' }})
      description: "OOM kill detected\n  VALUE = {{ '{{' }} $value {{ '}}' }}\n  LABELS = {{ '{{' }} $labels {{ '}}' }}"

  - alert: HostEdacCorrectableErrorsDetected
    expr: increase(node_edac_correctable_errors_total[1m]) > 0
    for: 0m
    labels:
      severity: warning
    annotations:
      summary: Host EDAC Correctable Errors detected (instance {{ '{{' }} $labels.instance {{ '}}' }})
      description: "Host {{ '{{' }} $labels.instance {{ '}}' }} has had {{ '{{' }} printf \"%.0f\" $value {{ '}}' }} correctable memory errors reported by EDAC in the last 5 minutes.\n  VALUE = {{ '{{' }} $value {{ '}}' }}\n  LABELS = {{ '{{' }} $labels {{ '}}' }}"

  - alert: HostEdacUncorrectableErrorsDetected
    expr: node_edac_uncorrectable_errors_total > 0
    for: 0m
    labels:
      severity: critical
    annotations:
      summary: Host EDAC Uncorrectable Errors detected (instance {{ '{{' }} $labels.instance {{ '}}' }})
      description: "Host {{ '{{' }} $labels.instance {{ '}}' }} has had {{ '{{' }} printf \"%.0f\" $value {{ '}}' }} uncorrectable memory errors reported by EDAC in the last 5 minutes.\n  VALUE = {{ '{{' }} $value {{ '}}' }}\n  LABELS = {{ '{{' }} $labels {{ '}}' }}"

  - alert: HostNetworkReceiveErrors
    expr: rate(node_network_receive_errs_total[2m]) / rate(node_network_receive_packets_total[2m]) > 0.01
    for: 2m
    labels:
      severity: warning
    annotations:
      summary: Host Network Receive Errors (instance {{ '{{' }} $labels.instance {{ '}}' }})
      description: "Host {{ '{{' }} $labels.instance {{ '}}' }} interface {{ '{{' }} $labels.device {{ '}}' }} has encountered {{ '{{' }} printf \"%.0f\" $value {{ '}}' }} receive errors in the last five minutes.\n  VALUE = {{ '{{' }} $value {{ '}}' }}\n  LABELS = {{ '{{' }} $labels {{ '}}' }}"

  - alert: HostNetworkTransmitErrors
    expr: rate(node_network_transmit_errs_total[2m]) / rate(node_network_transmit_packets_total[2m]) > 0.01
    for: 2m
    labels:
      severity: warning
    annotations:
      summary: Host Network Transmit Errors (instance {{ '{{' }} $labels.instance {{ '}}' }})
      description: "Host {{ '{{' }} $labels.instance {{ '}}' }} interface {{ '{{' }} $labels.device {{ '}}' }} has encountered {{ '{{' }} printf \"%.0f\" $value {{ '}}' }} transmit errors in the last five minutes.\n  VALUE = {{ '{{' }} $value {{ '}}' }}\n  LABELS = {{ '{{' }} $labels {{ '}}' }}"

  - alert: HostNetworkInterfaceSaturated
    expr: (rate(node_network_receive_bytes_total{device!~"^(tap|vnet).*"}[1m]) + rate(node_network_transmit_bytes_total{device!~"^(tap|vnet).*"}[1m])) / node_network_speed_bytes{device!~"^(tap|vnet).*"} > 0.95
    for: 20m
    labels:
      severity: warning
    annotations:
      summary: Host Network Interface Saturated (instance {{ '{{' }} $labels.instance {{ '}}' }})
      description: "The network interface \"{{ '{{' }} $labels.device {{ '}}' }}\" on \"{{ '{{' }} $labels.instance {{ '}}' }}\" is getting overloaded.\n  VALUE = {{ '{{' }} $value {{ '}}' }}\n  LABELS = {{ '{{' }} $labels {{ '}}' }}"

  - alert: HostConntrackLimit
    expr: node_nf_conntrack_entries / node_nf_conntrack_entries_limit > 0.8
    for: 5m
    labels:
      severity: warning
    annotations:
      summary: Host conntrack limit (instance {{ '{{' }} $labels.instance {{ '}}' }})
      description: "The number of conntrack is approching limit\n  VALUE = {{ '{{' }} $value {{ '}}' }}\n  LABELS = {{ '{{' }} $labels {{ '}}' }}"

  - alert: HostNetworkBondDegraded
    expr: (node_bonding_active - node_bonding_slaves) != 0
    for: 1m
    labels:
      severity: warning
    annotations:
      title: Bond is degraded on (instance {{ '{{' }} $labels.instance {{ '}}' }})
      description: "Bond \"{{ '{{' }} $labels.master {{ '}}' }}\" on \"{{ '{{' }} $labels.instance {{ '}}' }}\" is degraded\n  VALUE = {{ '{{' }} $value {{ '}}' }}\n  LABELS = {{ '{{' }} $labels {{ '}}' }}"

  - alert: HostClockSkew
    expr: (node_timex_offset_seconds > 0.05 and deriv(node_timex_offset_seconds[5m]) >= 0) or (node_timex_offset_seconds < -0.05 and deriv(node_timex_offset_seconds[5m]) <= 0)
    for: 2m
    labels:
      severity: warning
    annotations:
      summary: Host clock skew (instance {{ '{{' }} $labels.instance {{ '}}' }})
      description: "Clock skew detected. Clock is out of sync.\n  VALUE = {{ '{{' }} $value {{ '}}' }}\n  LABELS = {{ '{{' }} $labels {{ '}}' }}"

  - alert: HostClockNotSynchronising
    expr: min_over_time(node_timex_sync_status[1m]) == 0 and node_timex_maxerror_seconds >= 16
    for: 2m
    labels:
      severity: warning
    annotations:
      summary: Host clock not synchronising (instance {{ '{{' }} $labels.instance {{ '}}' }})
      description: "Clock not synchronising.\n  VALUE = {{ '{{' }} $value {{ '}}' }}\n  LABELS = {{ '{{' }} $labels {{ '}}' }}"

  - alert: ZpoolStateDegraded
    expr: node_zfs_zpool_state{state="degraded"} == 1
    for: 0m
    labels:
      severity: warning
    annotations:
      summary: ZFS zpool is degraded (instance {{ '{{' }} $labels.instance {{ '}}' }})
      description: "The ZFS zpool {{ '{{' }} $labels.zpool {{ '}}' }} is degraded.\n  VALUE = {{ '{{' }} $value {{ '}}' }}\n  LABELS = {{ '{{' }} $labels {{ '}}' }}"

  - alert: ZpoolStateFaulted
    expr: node_zfs_zpool_state{state="faulted"} == 1
    for: 0m
    labels:
      severity: critical
    annotations:
      summary: ZFS zpool is faulted (instance {{ '{{' }} $labels.instance {{ '}}' }})
      description: "The ZFS zpool {{ '{{' }} $labels.zpool {{ '}}' }} is faulted.\n  VALUE = {{ '{{' }} $value {{ '}}' }}\n  LABELS = {{ '{{' }} $labels {{ '}}' }}"

  ### textfile-collectors
  - alert: NodeTextfileScrapeFailed
    expr: node_textfile_scrape_error != 0
    for: 0m
    labels:
      severity: warning
    annotations:
      summary: Scraping metrics from textfiles failed (instance {{ '{{' }} $labels.instance {{ '}}' }})
      description: "The textfile collector failed to scrape at least one file\n  VALUE = {{ '{{' }} $value {{ '}}' }}\n  LABELS = {{ '{{' }} $labels {{ '}}' }}"

  - alert: NodeTextfileMetricsOutdated
    expr: (time() - node_textfile_mtime_seconds{file!~".*/(git-fsck-|syncoid-pull-).*.prom"}) > 3600
    for: 0m
    labels:
      severity: warning
    annotations:
      summary: Metrics from a textfile collector are too old (instance {{ '{{' }} $labels.instance {{ '}}' }})
      description: "The exported values from textfile {{ '{{' }} $labels.file {{ '}}' }} on host {{ '{{' }} $labels.instance {{ '}}' }} are {{ '{{' }} $value {{ '}}' }} seconds old.\n  VALUE = {{ '{{' }} $value {{ '}}' }}\n  LABELS = {{ '{{' }} $labels {{ '}}' }}"

  ## textfile-collector: apt_info
  - alert: AptUpgradesPending
    expr: sum by (instance) (apt_upgrades_pending) > 0
    for: 0m
    labels:
      severity: warning
    annotations:
      summary: Host has upgradeable packages (instance {{ '{{' }} $labels.instance {{ '}}' }})
      description: "Host {{ '{{' }} $labels.instance {{ '}}' }} has {{ '{{' }} $value {{ '}}' }} upgradable packages.\n  VALUE = {{ '{{' }} $value {{ '}}' }}\n  LABELS = {{ '{{' }} $labels {{ '}}' }}"

  - alert: AptAutoremovePending
    expr: sum by (instance) (apt_autoremove_pending) > 0
    for: 0m
    labels:
      severity: warning
    annotations:
      summary: Host has packages that can be autoremoved (instance {{ '{{' }} $labels.instance {{ '}}' }})
      description: "Host {{ '{{' }} $labels.instance {{ '}}' }} has {{ '{{' }} $value {{ '}}' }} packages that can be autoremoved.\n  VALUE = {{ '{{' }} $value {{ '}}' }}\n  LABELS = {{ '{{' }} $labels {{ '}}' }}"

  - alert: HostNeedsRebooting
    expr: node_reboot_required > 0
    for: 0m
    labels:
      severity: warning
    annotations:
      summary: Host must be rebootet (instance {{ '{{' }} $labels.instance {{ '}}' }})
      description: "Host {{ '{{' }} $labels.instance {{ '}}' }} must be rebootet for security uppdates to take effect.\n  VALUE = {{ '{{' }} $value {{ '}}' }}\n  LABELS = {{ '{{' }} $labels {{ '}}' }}"

  ## textfile-collector: deleted-libraries
  - alert: DeletedLibraryInUse
    expr: node_processes_linking_deleted_libraries
    for: 2m
    labels:
      severity: warning
    annotations:
      summary: Some processes still use a deleted library (instance {{ '{{' }} $labels.instance {{ '}}' }})
      description: "The deleted library {{ '{{' }} $labels.library_name {{ '}}' }} on host {{ '{{' }} $labels.instance {{ '}}' }} is still in use by {{ '{{' }} $value {{ '}}' }} processes.\n  VALUE = {{ '{{' }} $value {{ '}}' }}\n  LABELS = {{ '{{' }} $labels {{ '}}' }}"

  ## textfile-collector: smartmon
  - alert: SmartmonDeviceUnhealthy
    expr: smartmon_device_smart_healthy == 0
    for: 0m
    labels:
      severity: warning
    annotations:
      summary: Host disks are unhealthy (instance {{ '{{' }} $labels.instance {{ '}}' }})
      description: "S.M.A.R.T. reports unhealthy device {{ '{{' }} $labels.device {{ '}}' }} on host {{ '{{' }} $labels.instance {{ '}}' }}.\n  VALUE = {{ '{{' }} $value {{ '}}' }}\n  LABELS = {{ '{{' }} $labels {{ '}}' }}"

  - alert: SmartmonDeviceErrors
    expr: smartmon_device_errors > 0
    for: 0m
    labels:
      severity: warning
    annotations:
      summary: Host disk reports S.M.A.R.T. errors (instance {{ '{{' }} $labels.instance {{ '}}' }})
      description: "S.M.A.R.T. reports errors for disk {{ '{{' }} $labels.device {{ '}}' }} on host {{ '{{' }} $labels.instance {{ '}}' }}.\n  VALUE = {{ '{{' }} $value {{ '}}' }}\n  LABELS = {{ '{{' }} $labels {{ '}}' }}"

  # selection of S.M.A.R.T. metrics based on: https://www.backblaze.com/blog/hard-drive-smart-stats/
  - alert: SmartmonReallocatedSectorsCount
    expr: delta(smartmon_attr_raw_value{name="reallocated_sector_ct"}[72h]) > 0
    for: 0m
    labels:
      severity: warning
    annotations:
      summary: Host disk S.M.A.R.T. reports reallocated sectors (instance {{ '{{' }} $labels.instance {{ '}}' }})
      description: "S.M.A.R.T. reports reallocated sectors within last 72 hours for disk {{ '{{' }} $labels.device {{ '}}' }} on host {{ '{{' }} $labels.instance {{ '}}' }}, the drive might be failing.\n  VALUE = {{ '{{' }} $value {{ '}}' }}\n  LABELS = {{ '{{' }} $labels {{ '}}' }}"

  - alert: SmartmonReallocatedSectorsCountHigh
    expr: smartmon_attr_raw_value{name="reallocated_sector_ct"} > 100
    for: 0m
    labels:
      severity: warning
    annotations:
      summary: Host disk S.M.A.R.T. reports more than 100 reallocated sectors (instance {{ '{{' }} $labels.instance {{ '}}' }})
      description: "S.M.A.R.T. reports more than 100 reallocated sectors for disk {{ '{{' }} $labels.device {{ '}}' }} on host {{ '{{' }} $labels.instance {{ '}}' }}, the drive might be failing.\n  VALUE = {{ '{{' }} $value {{ '}}' }}\n  LABELS = {{ '{{' }} $labels {{ '}}' }}"

  - alert: SmartmonReportedUncorrectableErrors
    expr: delta(smartmon_attr_raw_value{name="reported_uncorrect"}[72h]) > 0
    for: 0m
    labels:
      severity: warning
    annotations:
      summary: Host disk S.M.A.R.T. reports uncorrectable errors (instance {{ '{{' }} $labels.instance {{ '}}' }})
      description: "S.M.A.R.T. reports uncorrectable errors within last 72 hours for disk {{ '{{' }} $labels.device {{ '}}' }} on host {{ '{{' }} $labels.instance {{ '}}' }}, the drive might be failing.\n  VALUE = {{ '{{' }} $value {{ '}}' }}\n  LABELS = {{ '{{' }} $labels {{ '}}' }}"

  - alert: SmartmonCommandTimeouts
    expr: delta(smartmon_attr_raw_value{name="command_timeout"}[72h]) > 0
    for: 0m
    labels:
      severity: warning
    annotations:
      summary: Host disk S.M.A.R.T. reports command timeouts (instance {{ '{{' }} $labels.instance {{ '}}' }})
      description: "S.M.A.R.T. reports command timeouts within last 72 hours for disk {{ '{{' }} $labels.device {{ '}}' }} on host {{ '{{' }} $labels.instance {{ '}}' }}, the drive might be failing.\n  VALUE = {{ '{{' }} $value {{ '}}' }}\n  LABELS = {{ '{{' }} $labels {{ '}}' }}"

  - alert: SmartmonCurrentPendingSectors
    expr: smartmon_attr_raw_value{name="current_pending_sector"} > 0
    for: 0m
    labels:
      severity: warning
    annotations:
      summary: Host disk S.M.A.R.T. reports current pending sectors (instance {{ '{{' }} $labels.instance {{ '}}' }})
      description: "S.M.A.R.T. reports current pending sectors for disk {{ '{{' }} $labels.device {{ '}}' }} on host {{ '{{' }} $labels.instance {{ '}}' }}, the drive might be failing.\n  VALUE = {{ '{{' }} $value {{ '}}' }}\n  LABELS = {{ '{{' }} $labels {{ '}}' }}"

  - alert: SmartmonOfflineUncorrectable
    expr: smartmon_attr_raw_value{name="offline_uncorrectable"} > 0
    for: 0m
    labels:
      severity: warning
    annotations:
      summary: Host disk S.M.A.R.T. reports offline uncorrectable errors (instance {{ '{{' }} $labels.instance {{ '}}' }})
      description: "S.M.A.R.T. reports offline uncorrectable errors for disk {{ '{{' }} $labels.device {{ '}}' }} on host {{ '{{' }} $labels.instance {{ '}}' }}, the drive might be failing.\n  VALUE = {{ '{{' }} $value {{ '}}' }}\n  LABELS = {{ '{{' }} $labels {{ '}}' }}"

  - alert: SmartmonNVMEMediaErrors
    expr: delta(smartmon_media_errors_total[72h]) > 0
    for: 0m
    labels:
      severity: warning
    annotations:
      summary: Host disk S.M.A.R.T. reports NVMe media errors. (instance {{ '{{' }} $labels.instance {{ '}}' }})
      description: "S.M.A.R.T. reports NVMe media errors for disk {{ '{{' }} $labels.device {{ '}}' }} on host {{ '{{' }} $labels.instance {{ '}}' }}, the drive might be failing.\n  VALUE = {{ '{{' }} $value {{ '}}' }}\n  LABELS = {{ '{{' }} $labels {{ '}}' }}"

  - alert: SmartmonNVMEPercentageUsed
    expr: smartmon_percentage_used_ratio > 80
    for: 0m
    labels:
      severity: warning
    annotations:
      summary: Host disk S.M.A.R.T. reports worn out disk. (instance {{ '{{' }} $labels.instance {{ '}}' }})
      description: "S.M.A.R.T. reports NVMe high usage of device {{ '{{' }} $labels.device {{ '}}' }} on host {{ '{{' }} $labels.instance {{ '}}' }}, the drive might be completely worn out soon.\n  VALUE = {{ '{{' }} $value {{ '}}' }}\n  LABELS = {{ '{{' }} $labels {{ '}}' }}"

  ## syncoid-pull scripts
  - alert: SyncoidPullJobTooLongAgo
    expr: time() - syncoid_pull_run > (24 * 3600)
    for: 0m
    labels:
      severity: warning
    annotations:
      summary: The last syncoid pull job was too long ago (instance {{ '{{' }} $labels.instance {{ '}}' }})
      description: "The last syncoid-based backup job of {{ '{{' }} $labels.instance {{ '}}' }} from {{ '{{' }} $labels.backup_server {{ '}}' }} ran more then 24 hours ago.\n  VALUE = {{ '{{' }} $value {{ '}}' }}\n  LABELS = {{ '{{' }} $labels {{ '}}' }}"

  - alert: SyncoidPullJobFailed
    expr: syncoid_pull_exit_code != 0
    for: 0m
    labels:
      severity: warning
    annotations:
      summary: The last syncoid pull job failed (instance {{ '{{' }} $labels.instance {{ '}}' }})
      description: "The last syncoid-based backup job of {{ '{{' }} $labels.instance {{ '}}' }} from {{ '{{' }} $labels.backup_server {{ '}}' }} has failed.\n  VALUE = {{ '{{' }} $value {{ '}}' }}\n  LABELS = {{ '{{' }} $labels {{ '}}' }}"