Storage recommendations for creating aggregates

Starting with Storage Manager 9.5, you can create aggregates based on storage recommendations. However, if your environment includes the following configurations, you must create aggregates manually using the CLI.

Storage Manager analyzes the available spare disks in the cluster and generates a recommendation about how the spare disks should be used to create aggregates according to best practices. Storage Manager displays the summary of recommended aggregates including their names and usable size.

In many cases, the storage recommendation will be optimal for your environment. However, if your cluster is running ONTAP 9.5 or earlier, or if your environment includes the following configurations, you must create aggregates manually:

• MetroCluster configurations

• SyncMirror functionality

• Flash Pool aggregates

• Multiple disk types or sizes are connected to the node

In addition, if any of the following disk conditions exist in your environment, you must rectify the disk conditions before you use the storage recommendation to create aggregates:

• Missing disks

• Fluctuation in spare disk numbers

• Unassigned disks

• Non-zeroed spares (for ONTAP versions earlier than 9.6)

• Disks that are undergoing maintenance testing