Which option is NOT a valid action within the Oracle Cloud Infrastructure (OCI) Block Volume service?
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A. B. C. D.C.
The correct answer is C. Shrink an existing volume in place with offline resizing is NOT a valid action within the Oracle Cloud Infrastructure (OCI) Block Volume service.
The OCI Block Volume service allows users to create and manage persistent block storage volumes that can be attached to compute instances. The service provides different features to manage these block volumes, including cloning, restoring, expanding, and resizing.
A. Clone an existing volume to a new, larger volume: This action creates a new block volume from an existing one. The new volume is a copy of the source volume and can be created with a larger size if needed.
B. Restore from a volume backup to a larger volume: This action restores a backup of a block volume to a new volume with a larger size. The backup can be created manually or scheduled, and the new volume can be used to replace a damaged or lost volume.
C. Shrink an existing volume in place with offline resizing: This action is not a valid option. OCI does not support shrinking the size of an existing volume in place with offline resizing. However, the service does support expanding a volume with offline resizing.
D. Expand an existing volume in place with offline resizing: This action increases the size of an existing volume without detaching it from the instance. The volume can be expanded up to the maximum size allowed for the given volume performance profile.
In summary, OCI Block Volume service provides several features to manage block volumes, such as cloning, restoring, expanding, and resizing. However, shrinking an existing volume in place with offline resizing is not a valid action within the service.