MU Information Technology (Semester 8)
Storage Management & Retrieval
May 2016
Total marks: --
Total time: --
INSTRUCTIONS
(1) Assume appropriate data and state your reasons
(2) Marks are given to the right of every question
(3) Draw neat diagrams wherever necessary


1(a) Consider a disk I/O system in which an I/O request arrives at a rate 100 I/O s per second. The disk service time is Rs=8ms, Calculate the measures of disk performance
(a) Utilization of I/O controller (U)
(b) Total response time (R)
(c)Average Queue size
(d) Total time spent by a request in the queue
Considering the same disk I/O system and calculate the above measure of the disk performance if the disk service time is halved i.e. Rs=4ms.
10 M
1(b) Explain ILM and its benefits. How ILM can be implement as a strategy for hospital management system.
10 M

2(a) Explain FC SAN topologies and FC protocol Stack.
10 M
2(b) Explain IP storage standards.
10 M

3(a) Explain the Architecture and implementation related limitations of storage virtualization.
10 M
3(b) Differentiate between symmetric and asymmetric storage virtualization and block level and file level storage virtualization.
10 M

4(a) What is Information Availability and Information unavailability? Explain BC planning life cycle
10 M
4(b) Explain Network data management protocol (NDMP).
10 M

5(a) Define Information system. List out the components of an information systems. What is the difference between general purpose and specialized information systems?
10 M
5(b) Explain the Boolean based matching process in detail.
10 M

Write short notes on (Any four)
6(a) Intelligent Storage system
5 M
6(b) Zoned nit recording
5 M
6(c) FC ports
5 M
6(d) Comparison of FC SAN, iSCSI, NAS.
5 M
6(e) Backup Operations
5 M
6(f) Document surrogates
5 M
6(g) Document term Matrices
5 M



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