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？（）
Immediately after adding a new disk to or removing an existing disk from an ASM instance, you find that the performance of the database goes down initially until the time the addition or removal process is completed, and then gradually becomes normal.
Which two activities would you perform to maintain a consistent performance of the database while adding or removing disks?（）
免费的网站请分享给朋友吧