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NUR204: Week 7 Assignment Page 1
`
Assignment: Leadership
Assignment Overview
In this assignment, you will research and locate a current
journal article on nursing leadership styles.
The article must be from a professional, peer-reviewed nursing
journal published within the last 5
years; and then write a summary of your findings.
Assignment Details:
Perform the following tasks:
ractive lesson
before attempting this
assignment.
styles. The article must be from a
professional, peer-reviewed nursing journal published within
the last 5 years.
-2 page summary of your findings following the
criteria below:
o First paragraph: summarize the major points of the article.
o Second paragraph: answer whether you support the leadership
style, and why or
why not.
o Final paragraph: discuss the article as it relates to nursing
practice.
o Use at least one additional outside source, such as your
textbook.
o The summary should be written in APA style format and all
sources must be
cited correctly.
NUR204_wk7_assn_jsmith_mmddyyy.
Grading:
Criteria Excellent (3pts) Good (2pts) Needs Improvement
(1pt)
Pts.
Article - Citation from a
professional
peer-reviewed
nursing journal.
- Current within last 5
years
- Relates to nursing
leadership.
- Citation from nursing
journal.
- Out of date or
- Not related to nursing
leadership
- Citation not from a
nursing journal
- Article out of date or
not related to nursing
leadership.
First Paragraph - Concise summary of
key points of article.
- Writing is clear and
focused.
- Details are present.
- Concise summary of
key points.
- Writing is not clear or
focused.
- Some details present.
- Summary is not
concise.
- Writing is not clear or
focused.
- Details are missing.
Second Paragraph - Writing presents
support or non-support
of leadership style.
- Writing explains why
support or non-support
is given.
- Writing is clear and
logical.
- Writing presents
support or non-support.
- Writing does not
express reason for
support or non-
support.
- Writing is somewhat
unclear or not logical.
- Writing does not
present support or non-
support.
- Writing does not
express reason for
support or non-
support.
- Writing is unclear
and illogical.
NUR204: Week 7 Assignment Page 2
`
Third Paragraph - Writing is related to
nursing practice and
demonstrates analysis
and application.
- Writing is related to
nursing practice.
- Analysis and
application is weak.
- Writing is not related
to nursing practice.
- Missing analysis and
application.
Spelling/grammar/
APA
- Proper APA format is
used for citations.
- At least two sources
are included.
- Spelling and grammar
errors are few and
insignificant.
- Proper APA format is
used for citations.
- Only one source is
used.
- Occasional errors in
spelling and grammar.
- APA format is not
used.
- Sources are missing.
- Significant errors in
spelling and grammar.
Written communication
is non-coherent.
Instructor: Total score
C8-1
CASE STUDY 8
CARLSON COMPANIES STORAGE SOLUTIONS
Carlson Companies (www.carlson.com) is one of the largest
privately held
companies in the United States, with more than 171,000
employees in more
than 150 countries. Carlson enterprises include a presence in
marketing,
business and leisure travel, and hospitality industries. Its
Carlson Hotels
Worldwide division owns and operates approximately 1,075
hotels located in
more than 70 countries. Radisson, Park Plaza, and Country Inn
& Suites by
Carlson are some of its hotel brands. The hotel loyalty program
is named
Club Carlson. The Carlson Restaurants Worldwide includes
T.G.I. Friday’s
and the Pick Up Stix chains. The company registered
approximately $38
billion in sales in 2011.
Carlson’s Information Technology (IT) division, Carlson
Shared Services,
acts as a service provider to its internal clients and
consequently must
support a spectrum of user applications and services. The IT
division uses a
centralized data processing model to meet business operational
requirements. The central computing environment has
traditionally included
an IBM mainframe and over 50 networked Hewlett-Packard and
Sun servers
[KRAN04, CLAR02, HIGG02]. The mainframe supports a wide
range of
applications, including Oracle financial database, e-mail,
Microsoft Exchange,
Web, PeopleSoft, and a data warehouse application.
http://www.carlson.com/
C8-2
In 2002, the IT division established six goals for assuring that
IT
services continued to meet the needs of a growing company with
heavy
reliance on data and applications:
1. Implement an enterprise data warehouse.
2. Build a global network.
3. Move to enterprise-wide architecture.
4. Establish six-sigma quality for Carlson clients.
5. Facilitate outsourcing and exchange.
6. Leverage existing technology and resources.
The key to meeting these goals was to implement a storage area
network (SAN) with a consolidated, centralized database to
support
mainframe and server applications. Carlson needed a SAN and
data center
approach that provided a reliable, highly scalable facility to
accommodate
the increasing demands of its users.
Storage Requirements
Prior to implementing the SAN and data center approach, the
central DP
shop included separate disc storage for each server, plus that of
the
mainframe. This dispersed data storage scheme had the
advantage of
responsiveness; that is, the access time from a server to its data
was
minimal. However, the data management cost was high. There
had to be
backup procedures for the storage on each server, as well as
management
controls to reconcile data distributed throughout the system.
The mainframe
included an efficient disaster recovery plan to preserve data in
the event of
major system crashes or other incidents and to get data back
online with
little or no disruption to the users. No comparable plan existed
for the many
servers.
C8-3
As Carlson's databases grow beyond 10 terabytes (TB) of
business-
critical data, the IT team determined that a comprehensive
network storage
strategy would be required to manage future growth.
Solution
Concept
The existing Carlson server complex made use of Fibre Channel
links to
achieve communication and backup capabilities among servers.
Carlson
considered extending this capability to a full-blown Fibre
Channel SAN that
would encompass the servers, the mainframe, and massive
centralized
storage facilities. The IT team concluded that further expansion
using Fibre
Channel technologies alone would be difficult and costly to
manage. At the
same time, in supporting the many offsite client systems that
accessed data
center servers, the IT shop already had a substantial investment
in IP
network products and staff training. Accordingly, Carlson
sought a solution
that would leverage this IP investment, provide scalability as
additional local
and remote services are added, and require minimal traffic
engineering of
the storage transport network.
Thus, Carlson settled on a solution based on a core IP SAN that
would
meet both data-center and wide-area storage requirements and
seamlessly
integrate new storage technologies.
Carlson Data Center SAN
The core of the Carlson SAN was an IP-based scheme in which
Gigabit
Ethernet switches carry IP traffic among servers and between
servers and
the central storage. Attached to the Gigabit switches were
Nishan IP storage
switches, which provided a Fibre Channel interface for the
servers and
storage and an IP traffic switch into the Ethernet core (Figure
C8.1). The
Ethernet switches had a considerable cost advantage over
comparable Fibre
Channel switches and required lower-cost management and
maintenance.
C8-4
For redundancy, servers were dual-homed to the IP storage
switches,
which in turn connected to redundant Ethernet switches. The
ratio of servers
to storage interconnect was determined by the throughput
requirements of
each server group. Similarly, multiple IP storage switches
connected the
Ethernet switch core to the SAN storage system. This
configuration could be
scaled to support additional servers and storage arrays by
adding additional
IP storage switches. The network core of Ethernet switches
could also
expand by adding additional switches.
The focus of the Carlson SAN was a 13-TB HP StorageWorks
Disc array.
A major consideration in planning the transition was the
migration of data
C8-5
from the mainframe's storage to the central storage. The
mainframe hosts
several mission-critical applications in a round-the-clock
fashion. Thus, an
offline data migration was not feasible. The migration of all
common data to
this array proceeded in two phases. In the first phase, each
server was
taken offline and a simple copy was performed to transfer the
application
data on the server systems to the new storage system. The
second phase
involved the transfer of 1.2 TB of data from the mainframe's
legacy storage
to the new storage system. Carlson contracted this task out to
HP storage
experts who made use of proprietary data migration and network
management tools to enable the transfer to occur during
production
processing hours. End users were unaffected during the
migration.
Carlson's IP SAN helped reduce the ongoing administration and
management of storage networking by taking advantage of well-
established
and well-understood IP networking technologies. In addition,
putting storage
data over IP facilitated integration of more efficient storage
services for
Carlson's enterprise-wide network including centralized backup
of remote
sites to the data center SAN.
Carlson’s Shared Storage Model
The Storage Networking Industry Association (SNIA) has
developed
several frameworks to technologists and business managers
understand the
relationship among host applications, storage networks, and
storage
facilities. One of these is called the Shared Storage Model
(SSM). The SSM
provides guidance for designing storage networks within the
context of the
upper layer applications that rely on storage resources and the
storage
architectures that are available to satisfy them.
Like the OSI network model, the SSM is divided into layers
and has an
application layer at the topmost level. Immediately beneath the
application
layer is the file/record layer; this includes file system and
database system
C8-6
components. The block aggregation layer is located beneath the
file/record
layer; this includes host, network, and device sublayers. The
storage device
layer is beneath the block/aggregation level and the block layer
is lowest
level in the framework – it is here that issues like space
management/compression, striping, and redundancy are
specified.
C8-7
The usefulness of SSM for understanding storage architectures
was
embraced by Carlson’s network designers [SEAR12]. It helped
them clarify
the relationship between application resources and storage
resources and
opportunities to further streamline storage administration to
enable more
efficient use of storage capacity. This led to the storage network
design
illustrated in Figure C8.2.
In the new storage network architecture features a single SAN-
attached
storage array with a capacity in excess of 10 terabytes that is
shared by
Carlson custom and Oracle applications. This resource offers
more
economical maintenance and easier administration than the
storage arrays
that were replaced. Shared directories and data for other
internal
applications migrated to NAS filer systems which could provide
cross-
platform support as well as remote NAS service for Carlson
users.
Remote storage access is beneficial to organizations like
Carlson that
want to unite geographically dispersed sites within a global IT
strategy. Such
a scheme helps safeguard business continuity by enabling
backups for
remote sites to be carried out within the central data center.
Carlson uses
software that enables block change backups to be performed.
This means
that on the data that has changed since the last backup is sent
from the
remote site to the central data center’s backup facility; this
reduces the
amount of data that must be sent across the WAN.
The SSM offers Carlson a coherent framework for analyzing
current and
future data requirements at both its remote sites and the data
center. It also
helps the company’s IT managers visualize the connection
between its
storage network architecture and overall IT goals.
Discussion Points
1. Discuss how Carlson’s storage solutions address the IT goals
the
company is trying to achieve.
C8-8
2. Discuss the pros and cons of consolidating data in central
data center
facilities versus the distributed data storage arrangement it
replaced.
3. Do some Internet research to identify other organizations that
have
benefitted from Storage Network Industry Association’s Shared
Storage Model. What patterns of benefits can be observed?
Sources
[CLAR02] Clark, E. “Carlson Companies Trades up to an IP
SAN.” Network
Magazine, December, 2002.
[HIGG02] Higgins, K. “T.G.I. Friday’s Owner Serves up an IP
SAN.”
Network Computing, September 15, 2002.
[KRAN04] Kranz, G. “Strategic Storage: Eyeing IP Storage.”
Searchstorage.com, November 9, 2004.
[SEAR12] SearchStorageChannel. “SNIA Shared Storage
Model: Practical
Implications.” TechTarget.com. Retrieved online at:
http://storagesearchchannel.techtarget.com/feature/SNIA-
Shared-Storage-
Model-Practical-applications.
http://storagesearchchannel.techtarget.com/feature/SNIA-
Shared-Storage-Model-Practical-applications
http://storagesearchchannel.techtarget.com/feature/SNIA-
Shared-Storage-Model-Practical-applicationsCASE STUDY
8Storage Requirements
NUR204 Week 7 Assignment                  Page 1 ` Assi.docx

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NUR204 Week 7 Assignment Page 1 ` Assi.docx

  • 1. NUR204: Week 7 Assignment Page 1 ` Assignment: Leadership Assignment Overview In this assignment, you will research and locate a current journal article on nursing leadership styles. The article must be from a professional, peer-reviewed nursing journal published within the last 5 years; and then write a summary of your findings. Assignment Details: Perform the following tasks: ractive lesson before attempting this assignment. styles. The article must be from a professional, peer-reviewed nursing journal published within the last 5 years. -2 page summary of your findings following the criteria below:
  • 2. o First paragraph: summarize the major points of the article. o Second paragraph: answer whether you support the leadership style, and why or why not. o Final paragraph: discuss the article as it relates to nursing practice. o Use at least one additional outside source, such as your textbook. o The summary should be written in APA style format and all sources must be cited correctly. NUR204_wk7_assn_jsmith_mmddyyy. Grading: Criteria Excellent (3pts) Good (2pts) Needs Improvement (1pt) Pts. Article - Citation from a professional peer-reviewed nursing journal. - Current within last 5 years - Relates to nursing leadership. - Citation from nursing journal.
  • 3. - Out of date or - Not related to nursing leadership - Citation not from a nursing journal - Article out of date or not related to nursing leadership. First Paragraph - Concise summary of key points of article. - Writing is clear and focused. - Details are present. - Concise summary of key points. - Writing is not clear or focused. - Some details present. - Summary is not concise. - Writing is not clear or focused. - Details are missing. Second Paragraph - Writing presents support or non-support of leadership style. - Writing explains why support or non-support is given.
  • 4. - Writing is clear and logical. - Writing presents support or non-support. - Writing does not express reason for support or non- support. - Writing is somewhat unclear or not logical. - Writing does not present support or non- support. - Writing does not express reason for support or non- support. - Writing is unclear and illogical. NUR204: Week 7 Assignment Page 2 ` Third Paragraph - Writing is related to nursing practice and demonstrates analysis and application. - Writing is related to nursing practice.
  • 5. - Analysis and application is weak. - Writing is not related to nursing practice. - Missing analysis and application. Spelling/grammar/ APA - Proper APA format is used for citations. - At least two sources are included. - Spelling and grammar errors are few and insignificant. - Proper APA format is used for citations. - Only one source is used. - Occasional errors in spelling and grammar. - APA format is not used. - Sources are missing. - Significant errors in spelling and grammar. Written communication is non-coherent.
  • 6. Instructor: Total score C8-1 CASE STUDY 8 CARLSON COMPANIES STORAGE SOLUTIONS Carlson Companies (www.carlson.com) is one of the largest privately held companies in the United States, with more than 171,000 employees in more than 150 countries. Carlson enterprises include a presence in marketing, business and leisure travel, and hospitality industries. Its Carlson Hotels Worldwide division owns and operates approximately 1,075 hotels located in more than 70 countries. Radisson, Park Plaza, and Country Inn & Suites by Carlson are some of its hotel brands. The hotel loyalty program is named
  • 7. Club Carlson. The Carlson Restaurants Worldwide includes T.G.I. Friday’s and the Pick Up Stix chains. The company registered approximately $38 billion in sales in 2011. Carlson’s Information Technology (IT) division, Carlson Shared Services, acts as a service provider to its internal clients and consequently must support a spectrum of user applications and services. The IT division uses a centralized data processing model to meet business operational requirements. The central computing environment has traditionally included an IBM mainframe and over 50 networked Hewlett-Packard and Sun servers [KRAN04, CLAR02, HIGG02]. The mainframe supports a wide range of applications, including Oracle financial database, e-mail, Microsoft Exchange, Web, PeopleSoft, and a data warehouse application. http://www.carlson.com/
  • 8. C8-2 In 2002, the IT division established six goals for assuring that IT services continued to meet the needs of a growing company with heavy reliance on data and applications: 1. Implement an enterprise data warehouse. 2. Build a global network. 3. Move to enterprise-wide architecture. 4. Establish six-sigma quality for Carlson clients. 5. Facilitate outsourcing and exchange. 6. Leverage existing technology and resources. The key to meeting these goals was to implement a storage area network (SAN) with a consolidated, centralized database to support mainframe and server applications. Carlson needed a SAN and data center approach that provided a reliable, highly scalable facility to accommodate the increasing demands of its users.
  • 9. Storage Requirements Prior to implementing the SAN and data center approach, the central DP shop included separate disc storage for each server, plus that of the mainframe. This dispersed data storage scheme had the advantage of responsiveness; that is, the access time from a server to its data was minimal. However, the data management cost was high. There had to be backup procedures for the storage on each server, as well as management controls to reconcile data distributed throughout the system. The mainframe included an efficient disaster recovery plan to preserve data in the event of major system crashes or other incidents and to get data back online with little or no disruption to the users. No comparable plan existed for the many servers.
  • 10. C8-3 As Carlson's databases grow beyond 10 terabytes (TB) of business- critical data, the IT team determined that a comprehensive network storage strategy would be required to manage future growth. Solution Concept The existing Carlson server complex made use of Fibre Channel links to achieve communication and backup capabilities among servers. Carlson considered extending this capability to a full-blown Fibre Channel SAN that would encompass the servers, the mainframe, and massive centralized
  • 11. storage facilities. The IT team concluded that further expansion using Fibre Channel technologies alone would be difficult and costly to manage. At the same time, in supporting the many offsite client systems that accessed data center servers, the IT shop already had a substantial investment in IP network products and staff training. Accordingly, Carlson sought a solution that would leverage this IP investment, provide scalability as additional local and remote services are added, and require minimal traffic engineering of the storage transport network. Thus, Carlson settled on a solution based on a core IP SAN that
  • 12. would meet both data-center and wide-area storage requirements and seamlessly integrate new storage technologies. Carlson Data Center SAN The core of the Carlson SAN was an IP-based scheme in which Gigabit Ethernet switches carry IP traffic among servers and between servers and the central storage. Attached to the Gigabit switches were Nishan IP storage switches, which provided a Fibre Channel interface for the servers and storage and an IP traffic switch into the Ethernet core (Figure C8.1). The Ethernet switches had a considerable cost advantage over
  • 13. comparable Fibre Channel switches and required lower-cost management and maintenance. C8-4 For redundancy, servers were dual-homed to the IP storage switches, which in turn connected to redundant Ethernet switches. The ratio of servers to storage interconnect was determined by the throughput requirements of each server group. Similarly, multiple IP storage switches connected the Ethernet switch core to the SAN storage system. This configuration could be
  • 14. scaled to support additional servers and storage arrays by adding additional IP storage switches. The network core of Ethernet switches could also expand by adding additional switches. The focus of the Carlson SAN was a 13-TB HP StorageWorks Disc array. A major consideration in planning the transition was the migration of data C8-5 from the mainframe's storage to the central storage. The mainframe hosts several mission-critical applications in a round-the-clock fashion. Thus, an
  • 15. offline data migration was not feasible. The migration of all common data to this array proceeded in two phases. In the first phase, each server was taken offline and a simple copy was performed to transfer the application data on the server systems to the new storage system. The second phase involved the transfer of 1.2 TB of data from the mainframe's legacy storage to the new storage system. Carlson contracted this task out to HP storage experts who made use of proprietary data migration and network management tools to enable the transfer to occur during production processing hours. End users were unaffected during the migration.
  • 16. Carlson's IP SAN helped reduce the ongoing administration and management of storage networking by taking advantage of well- established and well-understood IP networking technologies. In addition, putting storage data over IP facilitated integration of more efficient storage services for Carlson's enterprise-wide network including centralized backup of remote sites to the data center SAN. Carlson’s Shared Storage Model The Storage Networking Industry Association (SNIA) has developed several frameworks to technologists and business managers understand the
  • 17. relationship among host applications, storage networks, and storage facilities. One of these is called the Shared Storage Model (SSM). The SSM provides guidance for designing storage networks within the context of the upper layer applications that rely on storage resources and the storage architectures that are available to satisfy them. Like the OSI network model, the SSM is divided into layers and has an application layer at the topmost level. Immediately beneath the application layer is the file/record layer; this includes file system and database system
  • 18. C8-6 components. The block aggregation layer is located beneath the file/record layer; this includes host, network, and device sublayers. The storage device layer is beneath the block/aggregation level and the block layer is lowest level in the framework – it is here that issues like space management/compression, striping, and redundancy are specified. C8-7 The usefulness of SSM for understanding storage architectures was
  • 19. embraced by Carlson’s network designers [SEAR12]. It helped them clarify the relationship between application resources and storage resources and opportunities to further streamline storage administration to enable more efficient use of storage capacity. This led to the storage network design illustrated in Figure C8.2. In the new storage network architecture features a single SAN- attached storage array with a capacity in excess of 10 terabytes that is shared by Carlson custom and Oracle applications. This resource offers more economical maintenance and easier administration than the
  • 20. storage arrays that were replaced. Shared directories and data for other internal applications migrated to NAS filer systems which could provide cross- platform support as well as remote NAS service for Carlson users. Remote storage access is beneficial to organizations like Carlson that want to unite geographically dispersed sites within a global IT strategy. Such a scheme helps safeguard business continuity by enabling backups for remote sites to be carried out within the central data center. Carlson uses software that enables block change backups to be performed. This means
  • 21. that on the data that has changed since the last backup is sent from the remote site to the central data center’s backup facility; this reduces the amount of data that must be sent across the WAN. The SSM offers Carlson a coherent framework for analyzing current and future data requirements at both its remote sites and the data center. It also helps the company’s IT managers visualize the connection between its storage network architecture and overall IT goals. Discussion Points 1. Discuss how Carlson’s storage solutions address the IT goals the
  • 22. company is trying to achieve. C8-8 2. Discuss the pros and cons of consolidating data in central data center facilities versus the distributed data storage arrangement it replaced. 3. Do some Internet research to identify other organizations that have benefitted from Storage Network Industry Association’s Shared Storage Model. What patterns of benefits can be observed? Sources [CLAR02] Clark, E. “Carlson Companies Trades up to an IP SAN.” Network Magazine, December, 2002. [HIGG02] Higgins, K. “T.G.I. Friday’s Owner Serves up an IP
  • 23. SAN.” Network Computing, September 15, 2002. [KRAN04] Kranz, G. “Strategic Storage: Eyeing IP Storage.” Searchstorage.com, November 9, 2004. [SEAR12] SearchStorageChannel. “SNIA Shared Storage Model: Practical Implications.” TechTarget.com. Retrieved online at: http://storagesearchchannel.techtarget.com/feature/SNIA- Shared-Storage- Model-Practical-applications. http://storagesearchchannel.techtarget.com/feature/SNIA- Shared-Storage-Model-Practical-applications http://storagesearchchannel.techtarget.com/feature/SNIA- Shared-Storage-Model-Practical-applicationsCASE STUDY 8Storage Requirements