what should i do ?

i had a power cut then the raid status changes from ok to nosync even 
after to days letting it sync.

################   dmraid -s
*** Group superset isw_cdiebcjbjb
--> Active Subset
name   : isw_cdiebcjbjb_ismail
size   : 3907039744
stride : 256
type   : raid5_la
status : ok
subsets: 0
devs   : 3
spares : 0

################   dmsetup table
isw_cdiebcjbjb_ismail1: 0 3907033088 linear 252:0 2048
isw_cdiebcjbjb_ismail: 0 3907039744 raid45 core 2 131072 nosync raid5_la 
1 256 3 -1 8:16 0 8:32 0 8:48 0
======================================================================
################   dmsetup table
isw_cdiebcjbjb_ismail1: 0 3907033088 linear 252:1 2048
isw_cdiebcjbjb_ismail: 0 3907039744 raid45 core 2 131072 sync raid5_la 1 
256 3 -1 8:16 0 8:32 0 8:48 0

################   dmraid -s
*** Group superset isw_cdiebcjbjb
--> Active Subset
name   : isw_cdiebcjbjb_ismail
size   : 3907039744
stride : 256
type   : raid5_la
status : nosync
subsets: 0
devs   : 3
spares : 0


-- 
Regards,
Ismail Anwer
System Support Engineer
Mobile   :   +2 0165501631
Email    :   [email protected]