High Disk Utilization caused by deswizzling on SnapMirror destinations
Applies to
- Data ONTAP 7-mode
 - ONTAP 9
 - SnapMirror
 - NDMP
 - Unified Manager
 
Issue
- Disks are highly utilized on a node with SnapMirror destination volumes or SVM DR destination.
 - For a complete understanding on the disk utilization, please refer to How to address High Disk Utilization
 - This may cause alerts in Unified Manager similar to the example below
 
Source        - ClusterName:AggrName
Cluster Name  - ClusterName
Cluster FQDN  - cluster.netapp.com
Trigger Condition - MAX Data Disk Utilization value of 97% on AggrName has triggered a WARNING event based on threshold setting of 95%.
