親ボリュームまたはクローンボリュームから FlexClone の親 Snapshot を削除できませんでした

環境

• ONTAP 9
• FlexClone

問題

Snapshot コピーの削除が次のエラーで失敗しました：

例：

 snap delete -vserver svm1 -volume vol1 -snapshot snapshot1 Warning: Deleting a Snapshot copy permanently removes data that is stored only in that Snapshot copy. Are you sure you want to delete Snapshot copy "snapshot1" for volume "vol1" in Vserver "svm1" ? {y|n}: y Error: command failed: Snapshot copy "snapshot1" of volume "vol1" in Vserver "svm1" has not expired or is locked. Use the "snapshot show -fields owners, expiry-time" command to view the expiry and lock status of the Snapshot copy.