cache device on emc shared storage

Customer use an EMC as shared storage between host

he export and import zpools from one host to another - all worked - except the cache devices:

[root@tq1old]# zpool status sA22-zp

  pool: sA22-zp

state: ONLINE

status: One or more devices has experienced an unrecoverable error.  An

        attempt was made to correct the error.  Applications are unaffected.

action: Determine if the device needs to be replaced, and clear the errors

        using 'zpool clear' or replace the device with 'zpool replace'.

   see: http://www.sun.com/msg/ZFS-8000-9P

scan: none requested

config:

        NAME             STATE     READ WRITE CKSUM