# boot.replace

Replace device label on boot pool with dev.

This method is a job.

Type: object

##

Type: array
No Additional Items

#### Tuple Validation

##### Parameter 1: label

#### label

Type: string

Label of the disk in the boot pool to replace.

##### Parameter 2: dev

#### dev

Type: string

Device name or path of the replacement disk.

##

#### Result

Type: null

Returns `null` when the disk replacement is successfully initiated.

Required roles: DISK_WRITE