Storage Management & Retrieval - May 2015

Information Technology (Semester 8)

TOTAL MARKS: 100
TOTAL TIME: 3 HOURS (1) Question 1 is compulsory.
(2) Attempt any four from the remaining questions.
(3) Assume data wherever required.
(4) Each question carries equal marks and sub-question marks are equally divided. 1 (a) The average I/O size of an application is 64 KB. The following specifications are available from the disk manufacture: average seek time=5 ms, 7200 rpm transfer rate=40 MB/s. Determine the maximum IOPS that could be performed with the disk for this aplication. Taking this case as an example, explain the relationship between disk utilization and IOPS.(10 marks) 1 (b) Explain RAID levels in detail with neat diagram.(10 marks) 2 (a) What are various features and benefits of CAS.(10 marks) 2 (b) Explain Failure Analysis with respect to business continuity,(10 marks) 3 (a) Explain SNIA storage virtualization taxonomy with its configuration implementations.(10 marks) 3 (b) Explain SCSI Command Model in detail.(10 marks) 4 (a) Explain forms and configurations of storage virtualizations.(10 marks) 4 (b) Explain Object storage and Retrieval in CAS.(10 marks) 5 (a) Explain the components of Intelligent Storage systems.(10 marks) 5 (b) Explain FC protocol stack.(10 marks) 6 (a) Explain factors affecting NAS performance and availability.(10 marks) 6 (b) Explain Backup and Restore Process.(10 marks)

Write notes on (any two):

7 (a) Disk Drive components.(5 marks) 7 (b) Remote Replication Technologies(5 marks) 7 (c) NAS Components(5 marks) 7 (d) Monitoring of Storage Infrastructure(5 marks)