longhorn: set default replica count to 2

kubernetes/system/longhorn/values.yaml

@@ -1,8 +1,7 @@
 # Longhorn Helm Values
-# Single-node R740 cluster, backup target on TrueNAS NFS
 defaultSettings:
-    # Single node — only 1 replica needed
-    defaultReplicaCount: 1
+    # 2 replicas so volumes survive single-node loss
+    defaultReplicaCount: 2
     # NFS backup target on TrueNAS
     backupTarget: nfs://truenas.lan:/mnt/fast_app_data/longhorn-backup
     # Allow full disk usage on single-node
@@ -26,7 +25,7 @@ defaultSettings:
     taintToleration: dedicated=failover:NoSchedule;node-role.kubernetes.io/control-plane:NoSchedule
 persistence:
     defaultClass: true
-    defaultClassReplicaCount: 1
+    defaultClassReplicaCount: 2
     # Retain volumes on PVC delete — safer during migration
     reclaimPolicy: Retain
     # Mount options for ext4
@@ -37,23 +36,23 @@ persistence:
 # 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]
+        - key: ENC[AES256_GCM,data:72tSl2wrzA+rNFPSi6y1sXNdzFd2QI9/DIoLPYv600yIWre9Jg==,iv:6FJCiqSNlTTKb0qp7Zupq6RTcwA5de8uxrFM9o8XdAw=,tag:I1gnHYR0XNgq60tOnXYFGA==,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]
+        - key: ENC[AES256_GCM,data:Tru89mna++TT,iv:8gH3VLU6CCCC42SB6LfEaPY2MFHaD4cLwCWFkSHQV4A=,tag:H8gUvT97+GTgSJu7buUOjw==,type:str]
+          value: ENC[AES256_GCM,data:QYHvXr+rR44=,iv:jJrfJST2MG4pC71Qr2p4WAheDHcd49DbwrBVlLFqyk0=,tag:GJHrXSKfK6/N0IWmKemZxg==,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]
+        - key: ENC[AES256_GCM,data:dQhIOMVadhzSbeJqzVBbikkKzk11GLxOHjSA1hdZkKRuKUONJA==,iv:nuurPvU/YbVdFxO+iPbWchqVNOWO+tssuF5ZhIHo8+Y=,tag:mbSWnxT6kP6ehZu1+kaAIA==,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]
+        - key: ENC[AES256_GCM,data:9dhWE/kEwWr/,iv:pXHuR05UNdJlBaCMo0T4FHPN+8qGRXFGYQglP/P/VLc=,tag:KTbwQ4KW9zsSsftXQF4DRg==,type:str]
+          value: ENC[AES256_GCM,data:H6vDw998h28=,iv:IHNNLysSnMuqrmdPsCaXYFPUtGrxBFZdDFG+iOMBnvw=,tag:r1BZTI2PQ0wjhWaIi1yJZA==,type:str]
           operator: Equal
           effect: NoSchedule
 # longhorn-ui — tolerate the same taints so the UI is reachable even if it
@@ -61,18 +60,13 @@ longhornDriver:
 longhornUI:
     replicas: 1
     tolerations:
-        - key: ENC[AES256_GCM,data:mYYdyvTvfbP57Tr7zEUgAYZmtSmTougPSbou75YNqD93LvQEuw==,iv:vcKiaYE2ikIAornOIs7LB4iIp6XczB8VmW1FgeUO2ho=,tag:i1yOrLaUX1+AzviTLYQFUw==,type:str]
+        - key: ENC[AES256_GCM,data:deSbcZL4q+7tZaTg2pE1Ssq/WG0aS29EYAW+y1/Vl4Uq3E4tDQ==,iv:mE3AYFNrs7aAdKG1eRMJ21AwVdspJq42zWqytehn9z0=,tag:DsC7ehN8NhANSzWBQ3rMjQ==,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]
+        - key: ENC[AES256_GCM,data:4UJN0oQsnPgz,iv:bnCs9OQzRNYxZS4LMVcI5Zgel4MES745e47/Wc+72Ps=,tag:+WD085TKD5CfFYJ3B0RotA==,type:str]
+          value: ENC[AES256_GCM,data:preRO+Om90c=,iv:Q6VF0hDh5Jz3ghB+VqUB/KO5i2wwxq68WWLq2ptnwOQ=,tag:ug333G7gCkSn60g/Lo5S7A==,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
@@ -97,27 +91,27 @@ recurringJobs:
           labels:
             type: backup
 sops:
-    lastmodified: "2026-07-22T09:25:21Z"
-    mac: ENC[AES256_GCM,data:H61nccieTaqp4w6cySS8EG6VZvplmUdSSo2MFi+mGzZohJFjTfdHxIaJgfKuN7/+/dMoacgozl73CmwSnelzgKMm9CZNf0ucWXRPG/8EiM5IeDXBhRChP+Y8BHX6h7FNS6la6Jzdqy8/jKUPw5sdDQaHT6KnQ37ie+D3JjZAwic=,iv:qb/Cr0upi9qQfYVDAwFyLqnVHSlktkVVbsmhTaFsZu0=,tag:q0jPEGtNl4BmBJpdghgRJg==,type:str]
+    lastmodified: "2026-07-25T12:52:04Z"
+    mac: ENC[AES256_GCM,data:iYSrt+E3ZBR/x85S4A/Y4GalkJ5Y0NDwjSvh6Pfa8d5Qz+uFdGofnNISS7QgqmsGpLbLKMFHRxLV6L3R85V/o293SfNA/+iM8DXOoZTb8zQTLsPxjqxr8Hfl0cxBgV8LgZJzzG8pkeONDfqqtF6pGMgAz0SHfdAR2qdbCKTztis=,iv:YdWgVo9/YlusV1mqBWpVQVVdEQGSD7ytPVNJYjppmTw=,tag:XOxeIx5GWJcZD19zZTe5YQ==,type:str]
     pgp:
-        - created_at: "2026-07-22T09:25:21Z"
+        - created_at: "2026-07-25T12:52:04Z"
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