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Storage Management & Retrieval : Question Paper Dec 2011 - Information Technology (Semester 8) | Mumbai University (MU)
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Storage Management & Retrieval - Dec 2011

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 80 lOPS. The disk service time is 6 ms.
(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.
(10 marks)
1 (b) Explain SCSI command model.(10 marks) 2 (a) Explain following:
(i) Storage security domains.
(ii) Risk Triad.
(10 marks)
2 (b) Explain disk drive performance in brief.(10 marks) 3 (a) What are the components of NAS. Explain NAS Implementations.(10 marks) 3 (b) Explain Object Storage and Retrieval in CAS.(10 marks) 4 (a) Explain the components of Intelligent Storage System.(10 marks) 4 (b) Explain various forms of virtualization & Storage virtualization challenges.(10 marks) 5 (a) Explain Information Life cycle. What are the key challenges in managing Information?(10 marks) 5 (b) Explain logical components of the host.(10 marks) 6 (a) Explain Remote replication technologies in brief.(10 marks) 6 (b) Explain fibre channel architecture.(10 marks)


Write short notes on (any four):-

7 (a) RAID levels.(5 marks) 7 (b) Failure analysis.(5 marks) 7 (c) Backup Granularity.(5 marks) 7 (d) Storage Management activities.(5 marks) 7 (e) LUN and LUN Masking.(5 marks)

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