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For quota and volume attribute consistency purposes, it is important that VACs that cluster-admin creates specifies all the properties and customers do not arbitrarily drop fields when creating multiple VACs.
This can be implemented as a warning in OCP (lets discuss exact mechanism during design).
Example:
- VAC A has "throughput: 10GB"
- VAC B has "IOPS: 1024"
- User changes their PVC from VAC A to VAC B
- -> the PVC gets IOPS: 1024, but it also keeps throughput 10GB.
- -> we should warn VAC authors that "A" misses "IOPS" and B misses "throughput" parameters.