# pool.is_upgraded

Returns whether the pool of id is on the latest version and with all feature flags enabled.

Queries the database for the pool matching the given id, then checks each ZFS feature flag on the pool. Returns true only when every feature flag is in the ENABLED or ACTIVE state.

Raises a ValidationError if id does not match any pool in the database.

DEPRECATED: this method is scheduled to be removed in v26.

Type: object

##

Type: array
No Additional Items

#### Tuple Validation

##### Parameter 1: id

#### id

Type: integer

ID of the pool to check upgrade status for.

##

#### Result

Type: boolean

Whether the pool has been upgraded to the latest feature flags.

Required roles: POOL_READ