corrupt drive?

[limjdsn]

I was using freeness 7, and installed new version yesterday.
But I cannot import the HDDs, and have no clue what to do.
Those HDDs were paired as raid (mirror) disks.
Please give me advices to solve this problem. Thank you.

Here's the gpart show result:

[root@freenas] ~# gpart show
=> 63 4028346 da0 MBR (1.9G)
63 1930257 1 freebsd [active] (943M)
1930320 63 - free - (32K)
1930383 1930257 2 freebsd (943M)
3860640 3024 3 freebsd (1.5M)
3863664 41328 4 freebsd (20M)
3904992 123417 - free - (60M)

=> 0 1930257 da0s1 BSD (943M)
0 16 - free - (8.0K)
16 1930241 1 !0 (943M)

=> 34 3907026987 ada1 GPT (1.8T) [CORRUPT]
34 3907026987 1 freebsd-ufs (1.8T)

=> 34 3907026987 mirror/JJHDD1 GPT (1.8T)
34 3907026987 1 freebsd-ufs (1.8T)