MU Information Technology (Semester 8)
Storage Management & Retrieval
May 2013
Total marks: --
Total time: --
(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 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

10 M
1 (b)

Explain information Lifecycle. What are the key challenges in managing information?

10 M

2 (a)

Explain the logical components of the Host in detail.

10 M
2 (b)

Explain the factor affecting NAS performance and availability in detail.

10 M

3 (a)

Explain CAS Architecture with examples.

10 M
3 (b)

Explain Remote replication technologies in brief.

10 M

4 (a)

Explain various forms of virtualization and storage virtualization challenges.

10 M
4 (b)

Explain failure Analysis with respect to Business continuity.

10 M

5 (a)

Explain fibre channel architecture

10 M
5 (b)

Explain SCSI command model in detail.

10 M

6 (a)

Explain following:-
i) Storage security domains
ii) Risk Triad

10 M
6 (b)

Explain components of an Intelligent storage system in detail.

10 M

Write short notes on the following (any four):-
7 (a)


5 M
7 (b)

Backup in NAS environment

5 M
7 (c)

Object Storage and Retrieval in CAS.

5 M
7 (d)

LUN and LUN masking

5 M
7 (e)

Raid levels.

5 M

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