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The Oracle Grid Infrastructure administrator decides to make more copies of the voting disks that are currently stored in the ASM disk group +VOTE. How can this be done?
A. by running crsctl add css votedisk <path_to_new_voting_disk> to make a copy to a shared location on a shared device or file system
B. by running crsctl add css votedisk +VOTE, thereby adding another copy of the voting disk to the +VOTE disk group
C. by running srvctl replace votedisk +asm_disk_group on another disk group that has greater redundancy, thereby causing additional copies to be created
D. by running crsctl replace votedisk +asm_disk_group on another disk group that has greater redundancy, thereby causing additional copies to be created
Correct Answer: D
Explanation/Reference:
Storing Voting Disks on Oracle ASM
Using the crsctl replace votedisk command, you can move a given set of voting disks from one Oracle ASM disk group into another, or onto a certified file system. If you move voting disks from one Oracle ASM disk group to another, then you can change the number of voting disks by placing them in a disk group of a different redundancy level as the former disk group.
Notes:
You cannot directly influence the number of voting disks in one disk group.
You cannot use the crsctl add | delete votedisk commands on voting disks stored in Oracle ASM disk groups because Oracle ASM manages the number of voting disks according to the redundancy level of the disk group.
You cannot add a voting disk to a cluster file system if the voting disks are stored in an Oracle ASM disk group. Oracle does not support having voting disks in Oracle ASM and directly on a cluster file system for the same cluster at the same time.
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