「Snapshotリザーブがフル」しきい値（90%）を超えています
環境
- ONTAP 9
- OnCommand Unified Manager
問題
OnCommand Unified Managerでは次のアラートが生成されます。
Risk - Volume Snapshot Reserve Space Full
Impact Area - Protection
Severity - Warning
State - Obsolete
Source - vserver:/volume_name
Cluster Name - Cluster Name
Cluster FQDN - xx.xx.xx.xx
Trigger Condition - The Snapshot reserve full threshold set at (90%) is breached. 47.04 MB of 51.20 MB is used.