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NetBackupに新しいONTAP FAS/AFSノードを追加した後、NDMPバックアップがNDMP_NO_DEVICE_ERRで失敗する

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環境

  • ONTAPクラスタ環境(AFF / FAS)
  • Veritas NetBackup(NDMPバックアップ)
  • NDMPダイレクトアタッチ(ローカルテープ デバイス)構成

問題

既存のクラスタに新しいノード(たとえば、node3)を追加した後、NetBackupによって開始されたNDMPバックアップジョブは、新しいノードを利用しようとすると失敗します。
新しく追加されたノードでホストされているボリュームのNDMPバックアップが失敗する
NetBackupログ出力
May 18, 2026 5:03:37 PM - Error bptm (pid = 2188) cannot open ndmp device <>, error code 16 (NDMP_NO_DEVICE_ERR)
May 18, 2026 5:11:35 PM - Error bptm (pid = 2188) error requesting media, TpErrno = Robot operation failed
May 18, 2026 5:11:35 PM - Error bptm (pid = 2188) cannot open ndmp device <>, error code 16 (NDMP_NO_DEVICE_ERR)
May 18, 2026 5:11:36 PM - Warning bptm (pid = 2188) media load operation reported an error

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