MinIO quitte pi2 : son volume y avait perdu son journal ext4, et aucun redémarrage ne le démontait (#50)
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Une affinité requise `kubernetes.io/hostname NotIn [pi2]` (préférence pi3) : avec la stratégie Recreate, le volume se détache de pi2 et se rattache ailleurs, où ext4 rejoue son journal abandonné le 14/09. Refs arcodange-org/tools#49 Co-Authored-By: Claude Opus 5 <[email protected]> Co-authored-by: Gabriel Radureau <[email protected]>
This commit was merged in pull request #50.
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@@ -56,6 +56,35 @@ spec:
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release: minio
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release: minio
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spec:
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spec:
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serviceAccountName: minio
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serviceAccountName: minio
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# ---------------------------------------------------------------
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# ⚠⚠ JAMAIS SUR pi2 (incident arcodange-org/tools#49, 2026-09-14).
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#
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# pi2 tourne à ~110 % de mémoire, sans swap. Le moteur Longhorn d'un
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# volume vit sur le nœud du POD : sur pi2, il a manqué son délai de 8 s
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# (`R/W Timeout`), les écritures sont revenues au noyau en
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# `critical medium error`, et ext4 a ABANDONNÉ son journal (04:05 puis
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# 07:19). Le montage mort n'est jamais démonté par un redémarrage de
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# conteneur : 314 redémarrages sur « drive is faulty » en 26 h.
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#
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# Même mécanisme que tools#31. Déplacer le pod déplace le moteur, et le
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# déplacement démonte le volume — ext4 rejoue son journal au remontage.
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# ---------------------------------------------------------------
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affinity:
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nodeAffinity:
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requiredDuringSchedulingIgnoredDuringExecution:
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nodeSelectorTerms:
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- matchExpressions:
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- key: kubernetes.io/hostname
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operator: NotIn
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values: [pi2]
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preferredDuringSchedulingIgnoredDuringExecution:
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# pi3 est le moins chargé en mémoire (58 % au 2026-09-15, pi1 81 %).
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- weight: 50
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preference:
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matchExpressions:
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- key: kubernetes.io/hostname
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operator: In
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values: [pi3]
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securityContext:
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securityContext:
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# Repris tel quel : la donnée déjà écrite sur le volume appartient à
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# Repris tel quel : la donnée déjà écrite sur le volume appartient à
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# 1000:1000. Changer ces valeurs rendrait le bucket illisible.
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# 1000:1000. Changer ces valeurs rendrait le bucket illisible.
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