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Due Date:

9/02/2014 11:59:59 PM

Total Pts:

110

Points Earned:

n/a

Instructions:

 Data center managers sometimes find that the most conventional solutions to their data storage problems are not solved through the commonly used distributed storage architecture. When this occurs, they find themselves looking at alternative network storage architecture such as BigTable and Dynamo. You have been asked by your CIO to prepare a white paper of 4-5 pages APA formatted describing the BigTable and Dynamo network storage architectures.

 

In this paper, you should do the following:

  Provide the advantages and disadvantages of the alternative solution.

  Consider the 2 key financial elements of the IT decision-making process that include ROI (return on investment) and TCO (total cost of ownership).

The paper should address the points below:

  Definition of iSCSI protocol

  The concept of using TCP/IP as a transport mechanism

  Media used mainly with hard drives and tapes Peer-to-peer type interface

  Generally up to 16 devices can be attached to a single bus

RAIDs on servers usually use SCSI hard disk

 

 

Due Date:

8/31/2014 11:59:59 PM (Today)

Total Pts:

140

Points Earned:

n/a

Instructions:

 Congratulations, you have just been awarded a small business grant from the federal government. You and several of your classmates are now well-positioned to launch your own data center service company. One requirement of receiving the grant money is to present your high-level business plan to the grant committee. You know that a key to success is to have a way to differentiate your services from those of your competitors.

 

  You need to define the various options used in archiving client’s data and create a presentation for the grant committee that will show the types of services available on the market today. 

  You should also list the key advantages and disadvantages of each. 

  Show what your pricing model will be for the services that you will offer. 

  Your team is to create an APA document 5-6 pages long that explains the options for archiving client data including disk mirroring, network attached storage, tape backups, optical back-ups, RAID systems, and cloud-based storage. 

  Your paper should contain a cover page with the course information, unit, and your name. 

  You will also have slides to review the data archiving options and your pricing model. The last page should be your reference page. Be sure to follow APA guidelines for reference format. 

Grading Criteria:

Your project should address and discuss the followings:

  Benefits and disadvantages of offsite tape,

  Valuating the use of tape backups, and the vendors and transportation services that would support them.

  Use of optical drive platters for high-volume data archiving.

  Process of disk mirroring and how a hot site mirror of data from one location to another is one of the best methods of archiving data.

  Data storage cycles should be discussed to show how data archive tapes are rotated by date and reused.

  Cloud-based storage is a new method of storing data but has several risks that should be understood.

Finally, in-house archiving made possible through RAID systems and network attached storage devices should show that data can be moved from the server to other locations, but if these locations are in the same facility, the risk of disaster is not mitigated.

 

Project 4

As one of your first assignments as the new data center manager, the CIO has asked you to research and discuss the most common lossless compression methods employed.

Due Date:

9/12/2014 11:59:59 PM (12 Days)

Total Pts:

110

Points Earned:

n/a

Instructions:

 As one of your first assignments as the new data center manager, the CIO has asked you to research and discuss the most common lossless compression methods employed, including the following:

  Huffman coding

  Arithmetic coding

  Run-length coding

  Lempel-ziv coding

The CIO has asked that you provide a paper of 4-5 APA formatted pages on your findings.

  The CIO wishes to use this information to assess the further use of the Huffman encoding method currently used by the organization against the other encoding methods available.

  The CIO has asked that in your paper you provide a high-level overview of each of the encoding methods.

List the advantages and disadvantages of each followed by your recommendation for the organization.

 

 

Project 5

It is almost time to go away for the holiday but before you begin your vacation, the CIO has asked that you attend a meeting of the IT steering council to discuss how the new distributed network storage systems would necessitate changes in the organization’s current method of DAS storage. 

Due Date:

9/21/2014 11:59:59 PM (21 Days)

Total Pts:

110

Points Earned:

n/a

Instructions:

 It is almost time to go away for the holiday but before you begin your vacation, the CIO has asked that you attend a meeting of the IT steering council to discuss how the new distributed network storage systems would necessitate changes in the organization’s current method of DAS storage.

 

You are to write a 4-5 page, APA formatted paper to include the following.

  Include an overview of what DAS storage is.

  What are the key advantages and disadvantages of using it?

  What are the new distributed network storage systems offered on the market today?

  How do the capabilities of the new methods compare to the organization’s current method?

The CIO will be additionally impressed if you can demonstrate a return on investment (ROI) calculation that either persuades the IT steering committee to keep the current method or move to a new method.

 

Grading Criteria:

Your paper should show that DAS is:

  The direct storage array is a storage system that, as the name suggests, is directly attached to the server or workstation.

  The server or workstation that is processing the data is connected with a host bus adapter to the storage array.

  The storage array is a single enclosure of multiple hard disk drive devices that store the data and provide for expedient retrieval.

To standardize and facilitate the movement of the data are protocols. The most common protocols used for the direct storage array include Fiber Channel, SCSI, and SATA. The fiber channel protocol is a transport protocol that moves SCSI commands on a fiber network. SCSI (small computer simple interface) moves data from its source to an external device and is used most often for tape drive backups and connection to external hard drives. The SATA (serial advanced technology attachment) is used to connect host bus adapters to mass storage devices.

 

What is important to understand is that the speed and quality of the external storage device is in direct relation to the type of connection and protocol used between the server or workstation and the mass storage device.

 

 

Future technology could include NAS or SAN. A return on investment calculation should show the cost of acquisition, the cost of installation, and the financial benefit of adding the new method as a factor to the cost of implementing it

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