Tags

You can create a user tag on a primary storage by using resourceType=PrimaryStorageVO. For example,
CreateUserTag resourceType=PrimaryStorageVO tag=SSD \
resourceUuid=e084dc809fec4092ab0eff797d9529d5

System Tags

Storing Volume Snapshots

Tag Description Example Starting Version
capability:snapshot If a primary storage has such a tag, the primary storage can store volume snapshots. capability:snapshot 0.6