Trident スナップショットが ontap-san-economy ドライバーで時折失敗する

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Category:: trident-openshift

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環境

Astra Trident 25.10以上
ontap-san-economyドライバ

問題

volumeSnapshotsが作成されるものの、特定のPVで以下のエラーが発生して失敗することがあります：

time="YYYY-MM-DDThh:mmZ" level=info msg="<<<< CreateSnapshot" Method=CreateSnapshot Type=SANEconomyStorageDriver requestID=yyyyzzzz-xxxx-yyyy-zzzz-xyxyxyxyxy requestSource=CSI snapConfig="&{1 snapshot-zzzzzzzz-yyyy-xxxx-yxyx-xyxyxyxyxyxy snapshot-zzzzzzzz-yyyy-xxxx-yxyx-xyxyxyxyxyxy pvc-xxxxyyyy-yyyy-xxxx-zzzz-zyzyzyzyzyzy vol_test [] false }" snapshotName=snapshot-zzzzzzzz-yyyy-xxxx-yxyx-xyxyxyxyxyxy volumeName=vol_test
time="YYYY-MM-DDThh:mmZ" level=error msg="GRPC error: rpc error: code = Internal desc = failed to create snapshot snapshot-zzzzzzzz-yyyy-xxxx-yxyx-xyxyxyxyxyxy for volume pvc-xxxxyyyy-yyyy-xxxx-zzzz-zyzyzyzyzyzy on backend ontap-san-backend: could not find snapshot snapshot-zzzzzzzz-yyyy-xxxx-yxyx-xyxyxyxyxyxy for source volume vol_test" logLayer=csi_frontend requestID=yyyyzzzz-xxxx-yyyy-zzzz-xyxyxyxyxy requestSource=CSI