In the following statement about the implementation principle of file system snapshots, which options are...

When creating a file system snapshot, because the snapshot is stored in a new location, the write operation will affect

Storage LUN write performance

After the file system snapshot is created successfully, if the file system user wants to access the snapshot, he must

The snapshot directory must be remounted to be accessible

File system snapshot is a copy of data generated by the source file system at a certain point in time

The core technology of file system snapshot implementation is ROW