zpool导入失败、并显示I/O错误

root@ora-db1:~# zpool import
  pool: u01
   id: 2457021477342877221
 state: ONLINE
action: The pool can be imported using its name or numeric identifier.
config:

     u01                    ONLINE
      c0t600A09803831423965244F595576536Cd0  ONLINE

  pool: u01
   id: 3108187373559880923
 state: UNAVAIL
status: One or more devices are unavailable.
action: The pool cannot be imported due to unavailable devices or data.
config:

     u01                    UNAVAIL  incorrect labeling data
      c0t600A09803831423965244F595576536Bd0  ONLINE

device details:

root@ora-db1:~# zpool info 3108187373559880923
cannot import 'u01': I/O error
     Destroy and re-create the pool from
     a backup source.