I have finded the cause, we have insered 7 new Hard disk, hot swap,
after the crash, the server reboot and re-map every HD!! so every entry like sdc/sdd/sde are changed !
zpool status -v
pool: rpool
state: ONLINE
scan: scrub repaired 0B in 0h1m with 0 errors on Sun Apr 8 00:25:18 2018...