Storage Management & Retrieval - May 2013
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)
Consider a disk I/O system in which an I/O request arrives at the rate of 60 IOPS. The disk service time is 4ms.
i) compute the following: Utilization of I/O controller, Total response time. Average queue size and Total time spent by a request in a queue.
ii) Compute the preceding parameter if the service time is halved
Explain information Lifecycle. What are the key challenges in managing information?(10 marks) 2 (a)
Explain the logical components of the Host in detail.(10 marks) 2 (b)
Explain the factor affecting NAS performance and availability in detail.(10 marks) 3 (a)
Explain CAS Architecture with examples.(10 marks) 3 (b)
Explain Remote replication technologies in brief.(10 marks) 4 (a)
Explain various forms of virtualization and storage virtualization challenges.(10 marks) 4 (b)
Explain failure Analysis with respect to Business continuity.(10 marks) 5 (a)
Explain fibre channel architecture(10 marks) 5 (b)
Explain SCSI command model in detail.(10 marks) 6 (a)
i) Storage security domains
ii) Risk Triad
Explain components of an Intelligent storage system in detail.(10 marks)
Write short notes on the following (any four):-
Zoning(5 marks) 7 (b)
Backup in NAS environment(5 marks) 7 (c)
Object Storage and Retrieval in CAS.(5 marks) 7 (d)
LUN and LUN masking(5 marks) 7 (e)
Raid levels.(5 marks)