問題文
A design compares erasure coding on an Express Storage Architecture cluster with mirroring for the same 100 GB of data. Which statement about the raw need is correct?
選択肢
- An ESA cluster with five fault domains stores 100 GB of data in 125 GB and the same data under mirroring would need double the data size
- An ESA cluster with five fault domains stores 100 GB of data in 125 GB and the same data under mirroring would need quadruple the data size
- An ESA cluster with five fault domains stores 100 GB of data in 75 GB and the same data under mirroring would need quadruple the data size
- An ESA cluster with five fault domains stores 100 GB of data in 75 GB and the same data under mirroring would need double the data size