SSC zfs LUN device detected error

root@appiod5037:~# zpool status -v appiod5037_LUN2

  pool: appiod5037_LUN2

state: ONLINE

status: One or more devices has experienced an error resulting in data

        corruption.  Applications may be affected.

action: Restore the file in question if possible. Otherwise restore the

        entire pool from backup.

   see: http://support.oracle.com/msg/ZFS-8000-8A

  scan: none requested

config:

        NAME                     STATE     READ WRITE CKSUM

        appiod5037_LUN2        ONLINE       0     0     2

          c4t50060E8007C9FD51d2  ONLINE       0     0     4

errors: Permanent errors have been detected in the following files:

        /zones/appiod5051/root/u02/db/data/CASYS/sys03/sy_CASYS_log03a.dbf

        /zones/appiod5051/root/u02/db/index/CASYS/sys04/sy_CASYS_log03b.dbf