homeprod/kubernetes/system/longhorn/values.yaml

# Longhorn Helm Values
# Single-node R740 cluster, backup target on TrueNAS NFS
defaultSettings:
    # Single node — only 1 replica needed
    defaultReplicaCount: 1
    # NFS backup target on TrueNAS
    backupTarget: nfs://truenas.lan:/mnt/fast_app_data/longhorn-backup
    # Allow full disk usage on single-node
    storageOverProvisioningPercentage: 100
    storageMinimalAvailablePercentage: 10
    # Auto-salvage on node reboot (single-node)
    autoSalvage: true
    # Disable strict flushing for better single-node performance
    strictSyncReplicas: false
    # Toleration for system-managed Longhorn pods (instance-manager, engine,
    # replica, CSI plugin). These pods are created dynamically by
    # longhorn-manager — NOT from Helm templates — so their tolerations must be
    # set here via the `taintToleration` setting (semicolon-separated `kubectl
    # taint` syntax), not via per-component `tolerations` blocks.
    #
    # The P330 node is tainted `dedicated=failover:NoSchedule` (see
    # infra/p330/kube/variables.tf). Tolerating it lets Longhorn schedule
    # engine/replica pods there so a volume can be failed over to the P330.
    # The control-plane taint is also tolerated defensively, although with
    # allowSchedulingOnControlPlanes=true on the R740 it is not actually applied.
    taintToleration: dedicated=failover:NoSchedule;node-role.kubernetes.io/control-plane:NoSchedule
persistence:
    defaultClass: true
    defaultClassReplicaCount: 1
    # Retain volumes on PVC delete — safer during migration
    reclaimPolicy: Retain
    # Mount options for ext4
    fstype: ext4
# longhorn-manager is a DaemonSet — it must run on every storage node,
# including the P330 failover node. The control-plane toleration is defensive
# (allowSchedulingOnControlPlanes=true means it is not actually applied on the
# R740, but keeps things correct if that ever changes).
longhornManager:
    tolerations:
        - key: ENC[AES256_GCM,data:ZvL4q5WzJQbz/+jBCaH4Gpp5PdCqwrqcIDCXwPq1oVintCYXxg==,iv:SASkDRml7AG+wJTWe/CRaAm7kv7tJ/IRXfpWzeewHuo=,tag:ToVKgaQeLVav7Qt2bdlpnw==,type:str]
          operator: Exists
          effect: NoSchedule
        # Tolerate the failover taint so longhorn-manager runs on the P330
        - key: ENC[AES256_GCM,data:B+Y/ckOHz6xq,iv:27M/gUOPZ09BNZP2OwyjNsK8Ld0opec9l2FjiRiN0Wg=,tag:3UGdvzOsXgSAs7KwBJ5oKQ==,type:str]
          value: ENC[AES256_GCM,data:YT/EL6wwlYI=,iv:H8CCtKbzmWRahFxtZguzghVLK3/qvHFaE8IQPALL0Oo=,tag:HIMsMtxutYh3HVASeIrxtw==,type:str]
          operator: Equal
          effect: NoSchedule
# longhorn-driver (CSI provisioner/attacher deployer) — tolerate the same
# taints so CSI operations work from the failover node.
longhornDriver:
    tolerations:
        - key: ENC[AES256_GCM,data:ks2denq5PQL6UjGUe5JFahXJqLDY8jQgAPjQkn3fhryTCsd1Tg==,iv:gR8QtaRW5+4GptIa92hh2v+pk41ve1FmCMC+qlitdOs=,tag:NDGn8o5btPbfqDWg1nS6wQ==,type:str]
          operator: Exists
          effect: NoSchedule
        - key: ENC[AES256_GCM,data:nRPej7F1wIQr,iv:fRF9YaiqpPCAEGSXCHJublN7OYoikb3xK1RacxMKDcw=,tag:+leZjB1PGhWvxhrEBHxImg==,type:str]
          value: ENC[AES256_GCM,data:QdMlIx5PYgU=,iv:TJ+i5qwY6G2j+87HdmOZwDWPzJOd9bDeJUmkC3yl9oA=,tag:niNS/IwVVaw+83e4jJrgag==,type:str]
          operator: Equal
          effect: NoSchedule
# longhorn-ui — tolerate the same taints so the UI is reachable even if it
# lands on the failover node.
longhornUI:
    replicas: 1
    tolerations:
        - key: ENC[AES256_GCM,data:mYYdyvTvfbP57Tr7zEUgAYZmtSmTougPSbou75YNqD93LvQEuw==,iv:vcKiaYE2ikIAornOIs7LB4iIp6XczB8VmW1FgeUO2ho=,tag:i1yOrLaUX1+AzviTLYQFUw==,type:str]
          operator: Exists
          effect: NoSchedule
        - key: ENC[AES256_GCM,data:rqykd/I0zsFq,iv:lixb2ezSpU2GjXsi8li4z0d1TjNpCRiPXrSMiOASH64=,tag:rMg3tE4fw7jFpidBRZBkIQ==,type:str]
          value: ENC[AES256_GCM,data:S7G6SgmWjA0=,iv:Wwo3U/bFkch+dNlLZLDNCiaUVID8bIVxhPtizIUt/rE=,tag:7R8s/D6IX4SfZgT/PCkbVw==,type:str]
          operator: Equal
          effect: NoSchedule
# NOTE: There is no `longhorn-instance-manager` Helm key. The instance-manager,
# engine and replica pods are system-managed and created dynamically by
# longhorn-manager; their tolerations come from `defaultSettings.taintToleration`
# above. Do not add a `longhorn-instance-manager` block here — it would be
# silently ignored.
# Disable ingress for now
ingress:
    enabled: false
# Recurring backup and snapshot schedules
# - Daily snapshots: fast local recovery from accidental deletes
# - Daily NFS backups: DR if node is lost
recurringJobs:
    enable: true
    jobs:
        - name: daily-snapshot
          task: snapshot
          cron: 0 2 * * *
          retain: 7
          concurrency: 2
          labels:
            type: snapshot
        - name: daily-backup
          task: backup
          cron: 0 3 * * *
          retain: 7
          concurrency: 2
          labels:
            type: backup
sops:
    lastmodified: "2026-07-22T09:25:21Z"
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