root mirror disk 복구

/dev/vg00
/dev/dsk/c0t0d0
/dev/dsk/c1t0d0   ==> fault mirror disk 

1. dd test 로 /dev/dsk/c1t0d0 disk 확인
2. pvchange -a n /dev/dsk/c1t0d0            ==> pvchange 후 disk 교체 
3. ioscan -fnCdisk                                   ==> disk 확인
4. vgcfgrestore -n /dev/vg00 /dev/rdsk/c1t0d0
5. vgchange -a y vg00
6. mkboot /dev/dsk/c1t0d0
7. vgsync vg00        ( vgsync 명령은 실행하지 않아도 sync 가 걸리는 경우가 있으니 확인후 vgsync )