What are the two kinds of cluster storage designs?
Answer: Shared everything and shared nothing
Why is locking more important for a cluster file system than a traditional file system?
Answer: The cluster file system can have multiple systems trying to access the same data.
True or false: You typically do not have to worry about data in host buffers with a cluster file system.
Answer: False. You have to account for all cached data.
Why are SANs valuable for cluster file systems?
Answer: They are the easiest way to connect all systems to all storage.
True or false: NAS clusters are used primarily to increase storage capacity.
Answer: False. They are used primarily for high availability.
What is the main difference between a cluster file system and a DFS farm?
Answer: There is no failover in a DFSfarm.
What are two ways to implement a lock manager for a distributed file system?
Answer: Distributed or centralized
What is the purpose of direct I/O?
Answer: To prevent host systems from caching data for database applications
Database logs are an example of what kind of redundancy technique?
Answer: Delta or difference redundancy
![Storage Networking Fundamentals(c) An Introduction to Storage Devices, Subsystems, Applications, Management, a[... ]stems](/icons/4665-small.jpg "Storage Networking Fundamentals(c) An Introduction to Storage Devices, Subsystems, Applications, Management, a[... ]stems"){kind=icon}