If a file is 4 KB in size, how much space is consumed for file data when it is written to the Isilon cluster?

Which Isilon SmartLock version uses an NTP server to keep track of the set retention periods placed on a directory?

An Isilon customer created a scheduled SyncIQ policy to replicate data from an Enterprise-mode SmartLock directory. The source cluster is now unusable and the target cluster does not automatically allow writes to the data in the replicated SmartLock directory.
What is the reason why the target cluster did not automatically allow writes of the data?

Your customer has a new business unit. They are gathering web log files to be analyzed. They are using Hadoop to do the analysis of the logs. The IT department is centrally storing the log files on a five node Isilon cluster. They have enabled the Hadoop cluster to access the files directly. The nodes are X400's with two SSD drives in each node and 96GB of RAM.
How many DataNodes does the Isilon Cluster have?

What is appropriate for capturing packets for later analysis of I/O request sizes and randomness on Isilon clusters?