Storage Management & Retrieval - May 2016

MU Information Technology (Semester 8)

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. R_s=4ms. 10 marks

1(b) Explain ILM and its benefits. How ILM can be implement as a strategy for hospital management system. 10 marks

2(a) Explain FC SAN topologies and FC protocol Stack. 10 marks

2(b) Explain IP storage standards. 10 marks

3(a) Explain the Architecture and implementation related limitations of storage virtualization. 10 marks

3(b) Differentiate between symmetric and asymmetric storage virtualization and block level and file level storage virtualization. 10 marks

4(a) What is Information Availability and Information unavailability? Explain BC planning life cycle 10 marks

4(b) Explain Network data management protocol (NDMP). 10 marks

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 marks

5(b) Explain the Boolean based matching process in detail. 10 marks

Write short notes on (Any four)

6(b) Zoned nit recording 10 marks

6(c) FC ports 10 marks

6(d) Comparison of FC SAN, iSCSI, NAS. 10 marks

6(e) Backup Operations 10 marks

6(f) Document surrogates 10 marks

6(g) Document term Matrices 10 marks