Q. If interarrival times are exponentially distributed, the number ofarrivals in a time interval t is a

View solution

Q. The sum of entry time, system response time and think time is known as

View solution

Q. The average arrival rate of new tasks, and the average time to perform a task is:

View solution

Q. An innovation that improves both dependability and performance of storage systems is

View solution

Q. The I/O bus limits the maximum performance to no more than 18,600 IOPS for 16 KB blocks, then the transfer time would be

View solution

Q. The disks found inside a server connected to an I/O bus, is refered as

View solution

Q. A server utilization of 0.5, the mean number of I/O requests in the queue is

View solution

Q. Improvement in capacity; measured in bits per square inch, refered to

View solution

Q. RAID 0 has no redundancy and is sometimes nicknamed as

View solution

Q. When this effective error produces erroneous data that affect the delivered service, then

View solution

Q. The operating system typically provides the file abstraction on top of blocks stored on the disk, called

View solution

Q. Server utilization (and, in this case, the mean number of tasks per server) is simply:

View solution

Q. Adding the 0.1 ms ATA controller overhead means 0.2 ms to 0.5 ms per I/O, making the maximum rate per controller

View solution

Q. The network protocol stacks use about

View solution