netapp::> aggr show-spare-disks 
                                                                      
Original Owner: netapp-01
 Pool0
  Spare Pool

                                                           Usable Physical
 Disk                        Type     RPM Checksum           Size     Size Status
 --------------------------- ----- ------ -------------- -------- -------- --------
 1.0.1                       SSD        - block           372.4GB  372.6GB zeroed

Original Owner: netapp-01
 Pool0
  Partitioned Spares
                                                            Local    Local
                                                             Data     Root Physical
 Disk                        Type     RPM Checksum         Usable   Usable     Size Status
 --------------------------- ----- ------ -------------- -------- -------- -------- --------
 1.0.4                       SAS    10000 block            1.03TB       0B   1.09TB not zeroed
 1.0.23                      SAS    10000 block                0B  61.58GB   1.09TB zeroed

Original Owner: netapp-02
 Pool0
  Partitioned Spares
                                                            Local    Local
                                                             Data     Root Physical
 Disk                        Type     RPM Checksum         Usable   Usable     Size Status
 --------------------------- ----- ------ -------------- -------- -------- -------- --------
 1.0.22                      SAS    10000 block                0B  61.58GB   1.09TB zeroed
4 entries were displayed.