あらまー♪@dmesg
da1 at ahd1 bus 0 target 0 lun 0
da1: <SEAGATE ST336753LW 0006> Fixed Direct Access SCSI-3 device
da1: 320.000MB/s transfers (160.000MHz, offset 63, 16bit), Tagged Queueing Enabled
da1: Attempt to query device size failed: MEDIUM ERROR, Medium format corrupted
Copied 18 bytes of sense data offset 12: 0xf0 0x0 0x3 0x0 0x0 0x0 0x0 0xa 0x0 0x0 0x0 0x0 0x31 0x0 0x5 0x0 0x0 0x0
(da1:ahd1:0:0:0): READ CAPACITY. CDB: 25 0 0 0 0 0 0 0 0 0
(da1:ahd1:0:0:0): CAM Status: SCSI Status Error
(da1:ahd1:0:0:0): SCSI Status: Check Condition
(da1:ahd1:0:0:0): MEDIUM ERROR asc:31,0
(da1:ahd1:0:0:0): Medium format corrupted field replaceable unit: 5
(da1:ahd1:0:0:0): Retrying Command (per Sense Data)