Entry specifies a specific machine. Helps do load balancing. Have an order of magnitude more entries than managers. Old managers send state to a new manager to distribute load. Relatively small and slowly changing.
Managers keep track of cache consistency information and disk block pointers.
The IMap Maps a file ID to the disk address of the file's index node. The IMap points to index nodes which resemble FFS inodes. File Directories Maps file names to file IDs. Directories are regular files. New files managed by the client that created the file.