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單項選擇題

While performing LVM maintenance, the volume group datavg1 was exported and re-imported.  The volume group is varied online, and the filesystems have been mounted. However, the database will not start. 
What action would most likely resolve this problem?()  

A. Perform a shown command on the VG device files.
B. Perform a syncvg to validate VG integrity.
C. Perform a redfinevg to correct the VGDA state.
D. Perform a synchlvodm to correct the LV ownership.

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