Last Updated on September 25, 2021 by Admin 2
Which of the following statements about the principle of the file system snapshot feature provided by an N8500 clustered NAS system are correct? (Select two)
- When a snapshot is created, a block mapping pointing to the data on the file system is generated.
- If an original data block needs to be replaced for the first time, the new data block is copied to the snapshot reservation area.
- If an original data block is replaced for the first time, the block mapping in the snapshot points to the data block in the snapshot reservation area.
- If a data block that has replaced an original data block needs to be replaced by a new data block, the new data block is copied to the snapshot reservation area.