Navigate to Storage > Tiers.

Locate a storage tier with volumes containing tags you want to modify.

Click the Volumes tab.

Locate the volume with tags you want to modify, and in the Object Tags column click the tag name.

Modify the tag.

Click Apply.

Use the volume modify command with the -tiering-object-tags option to modify an existing tag.

volume modify [ -vserver <vserver name> ] -volume <volume_name> -tiering-object-tags <key1=value1> [ ,<key2=value2>,
<key3=value3>,<key4=value4> ]

vol create -volume fp_volume1 -vserver vs0 -tiering-object-tags project=fabricpool,type=xyz,content=data