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変更ログの使用率が20パーセントを超えている場合、自動効率化ポリシーでボリューム効率化(重複排除)が完了しない

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環境

  • ONTAP
  • 効率化ポリシーがautoに設定されたボリューム
  • 重複排除変更ログがデフォルトのしきい値である10% volume fullを超えています

問題

  • ボリューム効率(重複排除)処理は、auto効率化ポリシーのボリュームで実行されますが、デフォルトのしきい値である20%を超える変更ログ使用時には完了しません。
  • 変更ログがボリュームの10%を超えると、自動重複排除が実行されるはずです。
  • volume efficiency showコマンドは、次のような出力を表示します:

Cluster01::> volume efficiency show -vserver svm1 -volume vol1 -instance

                   Vserver Name: svm1
                    Volume Name: vol1
                    Volume Path: /vol/vol1
                       State: Enabled
                      Status: Active
                     Progress: Fingerprint is being recovered from aggregate (0% complete)
                       Type: Regular
                     Schedule: -
              Efficiency Policy Name: auto
              Efficiency Policy UUID: ffffffff-ffff-ffff-ffff-ffffffffffff
               Last Operation State: Success
           Last Success Operation Begin: Tue May 30 22:58:25 2017
            Last Success Operation End: Tue May 30 22:58:25 2017
               Last Operation Begin: Wed Mar 18 15:15:16 2020
                Last Operation End: Wed Mar 18 15:20:00 2020
                Last Operation Size: 0B
               Last Operation Error: -
                Operation Frequency: Once approxmiately every 5 min(s) and 18 sec(s)
                  Changelog Usage: 91%
                  Changelog Size: 314.9GB

 

  • エラーは報告されておらず、changelogの使用率は91%であり、操作は非常に頻繁に実行されていますが、何もしていません。

 

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