一部のONTAPボリュームのスペース不足が原因でSCVバックアップが失敗する

環境

• VMware（SCV）4.X用NetApp SnapCenterプラグイン
• NetApp ONTAP 

問題

SCVのバックアップが失敗し、SCVログに次のようなトレースが記録されます。

Error: Snapshot operation failed [Storage System: svm1]Snapshot operation failed for some of the volumes [Storage System: svm1] [Volume:vol1] 
Error: Snapshot operation failed for some of the volumes [Storage System: svm1] [Volume:vol2] 
Error: Snapshot operation failed for some of the volumes [Storage System: svm1] [Volume:vol3] 
Error: Snapshot operation failed for some of the volumes [Storage System: svm1] [Volume:vol4] 
Error: Snapshot operation failed for some of the volumes [Storage System: svm1] [Volume:vol5] 
Error: Snapshot operation failed for some of the volumes [Storage System: svm1] [Volume:vol6] 
Error: Snapshot operation failed for some of the volumes [Storage System: svm1] [Volume:vol7] 
Error: Snapshot operation failed for some of the volumes [Storage System: svm1] [Volume:vol8]  
Error: Snapshot operation failed for  Reason: No space left on the device to create Snapshot copies

作成後のONTAPクラスタの監査ログに、関連するすべてのボリュームについて、Snapshotの削除状況が表示されます。

Day Month hh:mm:ss [node1: svc_queue_thread: wafl.snap.delete:debug]: Snapshot copy Daily-Backup_MM-DD-YYYY_hh.mm.ss on volume vol1@vserver:xxxxxxxx-yyyy-zzzz-xxxx-yyyyyyyyyyyy NetApp was deleted by the Data ONTAP function ods_multicreate (cleanup). The unique ID for this Snapshot copy is (xxx, yyy).
Day Month hh:mm:ss [node1: svc_queue_thread: wafl.snap.delete:debug]: Snapshot copy Daily-Backup_MM-DD-YYYY_hh.mm.ss on volume vol2@vserver:xxxxxxxx-yyyy-zzzz-xxxx-yyyyyyyyyyyy NetApp was deleted by the Data ONTAP function ods_multicreate (cleanup). The unique ID for this Snapshot copy is (xxx, yyy).
Day Month hh:mm:ss [node1: svc_queue_thread: wafl.snap.delete:debug]: Snapshot copy Daily-Backup_MM-DD-YYYY_hh.mm.ss on volume vol3@vserver:xxxxxxxx-yyyy-zzzz-xxxx-yyyyyyyyyyyy NetApp was deleted by the Data ONTAP function ods_multicreate (cleanup). The unique ID for this Snapshot copy is (xxx, yyy).
Day Month hh:mm:ss [node1: svc_queue_thread: wafl.snap.delete:debug]: Snapshot copy Daily-Backup_MM-DD-YYYY_hh.mm.ss on volume vol4@vserver:xxxxxxxx-yyyy-zzzz-xxxx-yyyyyyyyyyyy NetApp was deleted by the Data ONTAP function ods_multicreate (cleanup). The unique ID for this Snapshot copy is (xxx, yyy).
Day Month hh:mm:ss [node1: svc_queue_thread: wafl.snap.delete:debug]: Snapshot copy Daily-Backup_MM-DD-YYYY_hh.mm.ss on volume vol5@vserver:xxxxxxxx-yyyy-zzzz-xxxx-yyyyyyyyyyyy NetApp was deleted by the Data ONTAP function ods_multicreate (cleanup). The unique ID for this Snapshot copy is (xxx, yyy).
Day Month hh:mm:ss [node1: svc_queue_thread: wafl.snap.delete:debug]: Snapshot copy Daily-Backup_MM-DD-YYYY_hh.mm.ss on volume vol6@vserver:xxxxxxxx-yyyy-zzzz-xxxx-yyyyyyyyyyyy NetApp was deleted by the Data ONTAP function ods_multicreate (cleanup). The unique ID for this Snapshot copy is (xxx, yyy).
Day Month hh:mm:ss [node1: svc_queue_thread: wafl.snap.delete:debug]: Snapshot copy Daily-Backup_MM-DD-YYYY_hh.mm.ss on volume vol7@vserver:xxxxxxxx-yyyy-zzzz-xxxx-yyyyyyyyyyyy NetApp was deleted by the Data ONTAP function ods_multicreate (cleanup). The unique ID for this Snapshot copy is (xxx, yyy).
Day Month hh:mm:ss [node1: svc_queue_thread: wafl.snap.delete:debug]: Snapshot copy Daily-Backup_MM-DD-YYYY_hh.mm.ss on volume vol8@vserver:xxxxxxxx-yyyy-zzzz-xxxx-yyyyyyyyyyyy NetApp was deleted by the Data ONTAP function ods_multicreate (cleanup). The unique ID for this Snapshot copy is (xxx, yyy).