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High Availability

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ALSO CALLED: Highly Available Computing, Data Availability, HA, High-availability, Availability
DEFINITION: In information technology, high availability refers to a system or component that is continuously operational for a desirably long length of time. Availability can be measured relative to "100% operational" or "never failing." A widely-held but difficult-to-achieve standard of availability for a system or product is known as "five 9s" (99.999 percent) availability.Since a computer system or a network  … 
Definition continues below.
High AvailabilityReports
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What IT Managers Need to Know About IP Surveillance
sponsored by D-Link
WHITE PAPER: The video surveillance market is in the throes of transition. IP surveillance is rapidly taking over from traditional analog CCTV. Within the next three years more than half the surveillance cameras used in North America will be IP cameras, according to the research firm Frost & Sullivan. Read this whitepaper to learn more.
Posted: 15 Jun 2010 | Published: 15 Jun 2010

D-Link

Future-Proofing the Core, the Distribution Layer, and the Wiring Closet of Enterprise Networks
sponsored by D-Link
WHITE PAPER: With so much riding on the availability and performance of the network, businesses of all sizes need a reliable infrastructure that eliminates downtime and is highly efficient, and flexible to handle the challenges of ever-increasing bandwidth. Read this paper to learn what you should look for in a solution and how to choose the proper vendor.
Posted: 15 Jun 2010 | Published: 15 Jun 2010

D-Link

Transzap fuels a competitive edge with increased application uptime from IBM System z
sponsored by IBM
CASE STUDY: The System z solution from IBM has helped Transzap, a software-as-a-service firm establish a dynamic infrastructure that helps reduce costs and greatly improves the level of service Transzap is able to provide to its customers. Read this case study to learn about the features and business benefits of IBM's System z solution.
Posted: 15 Jun 2010 | Published: 01 Dec 2009

IBM

Doubling the Value of Virtualization with HP ProLiant G6 Servers and HP StorageWorks
sponsored by Hewlett-Packard Company and AMD
CASE STUDY: Access this case study now to learn more about the implementation of HP’s solutions at Opus Interactive, and discover exactly what benefits and improvements resulted from the transition.
Posted: 11 Jun 2010 | Published: 11 Jun 2010

Hewlett-Packard Company and AMD

A practical guide to keeping your virtual data centre safe
sponsored by Sophos UK
WHITE PAPER: This whitepaper will focus on the best practices for the protection of virtual servers running in the data centre.
Posted: 07 Jun 2010 | Published: 07 Jun 2010

Sophos UK

Customer Satisfaction with Application Delivery Controller Vendors
sponsored by Citrix
ANALYST REPORT: Enterprise Management Associates Report: "Customer Satisfaction with Application Delivery Controller Vendors" - shows how Citrix NetScaler beats F5 and Cisco in customer satisfaction. Discover why Citrix is superior in 16 out of 21 categories and tops the competition in Presales, Tech Support, Product, Technology, and Overall Business Value.
Posted: 07 Jun 2010 | Published: 01 Mar 2010

Citrix

Considering Backup and Recovery
sponsored by D-Link
WHITE PAPER: Backup and recovery technology is a key component of an IT department’s data availability and protection strategy. In considering backup solutions, ultimately what matters most is data recovery or restore. Read this whitepaper to learn more.
Posted: 04 Jun 2010 | Published: 04 Jun 2010

D-Link

Increase Resiliency And Flexibility With Virtualization
sponsored by Hewlett Packard Company and Intel
WHITE PAPER: With the right infrastructure in your virtual environment, you can dramatically improve resiliency and flexibility without breaking the bank. This Forrester Consulting paper explains how.
Posted: 04 Jun 2010 | Published: 04 Jun 2010

Hewlett Packard Company and Intel

An ERP Platform Strategy Based on Industry-standard Servers
sponsored by Dell, Inc. and Intel®
WHITE PAPER: Many large organizations have a centralized enterprise resource planning (ERP) environment based on proprietary mainframes or RISC-based systems. In contrast, Intel IT has successfully implemented a decentralized ERP environment that is based on industry-standard servers and supports more than 10,000 active users. Read this paper to learn more!
Posted: 02 Jun 2010 | Published: 02 Jun 2010

Dell, Inc. and Intel®

Virtualization with iSCSI – Understanding the Storage Needs of Virtualized Environments
sponsored by Overland Storage
WHITE PAPER: Planning a virtualization deployment can be a challenging task, particularly when it comes to the storage infrastructure. Read this white paper to develop a better understanding of storage’s role in virtual environments.
Posted: 02 Jun 2010 | Published: 02 Jun 2010

Overland Storage

Virtual Data Center E-Zine - Volume 23: Backup Strategies for Virtual Servers
sponsored by SearchDataCenter.com
EZINE: With the number of virtual machines increasing in the data center, backing up servers today has become much more than just copying data files. Take a look at how virtualization technologies have changed traditional backup strategies and examine some of the approaches that protect against issues like accidental file loss and server crashes.
Posted: 01 Jun 2010 | Published: 01 Jun 2010

SearchDataCenter.com

A Systems Approach to Networking Improves Availability, Lowers TCO
sponsored by Cisco Systems, Inc.
ANALYST REPORT: This report examines the drivers of network change, defines a systems approach to networking and then details the strategy used by Cisco, the market leader in enterprise networking, to deliver on this vision.
Posted: 27 May 2010 | Published: 01 Nov 2009

Cisco Systems, Inc.

Why Should Companies Take a Closer Look at Business Continuity Planning?
sponsored by Datalink
WHITE PAPER: Over the last 30 years, companies have significantly changed their approach to ensuring that their businesses can continue to run in the event of a catastrophe. Read this white paper to learn how business continuity and disaster recovery solutions can help you to develop a more robust enterprise.
Posted: 27 May 2010 | Published: 26 May 2010

Datalink

HP-UX 11i on Integrity servers: HP value for Solaris users
sponsored by Hewlett-Packard Limited
WEBCAST: Join HP-UX 11i Marketing Manager Suzanne LaForge as she discusses HP-UX 11i on Integrity servers and HP's value for Solaris users.
Posted: 19 May 2010 | Premiered: Jan 1, 2010

Hewlett-Packard Limited

E-Book: IT Handbook - Backup and Recovery
sponsored by Vizioncore Inc.
EBOOK: Before you begin researching all of the available backup and disaster recovery technologies on the market, get a handle on your business needs. Read this e-book to learn about developing a backup and disaster recovery strategy, implementation guidelines for backup and dr, remote backups, and testing and verifying your backups.
Posted: 30 Apr 2010 | Published: 30 Apr 2010

Vizioncore Inc.

Four Things You Should Know About Cache Battery: Why Cache Battery Life Matters to Your Business
sponsored by CCSS
WHITE PAPER: Cache Battery life may be more important than you think. Learn why cache battery matters to your business, the challenge of cache battery management, the consequences of a failed battery, and the value of cache battery monitoring.
Posted: 27 Apr 2010 | Published: 27 Apr 2010

CCSS

Extending the Lifecycle and Lowering the TCO of your SAN
sponsored by D-Link
WHITE PAPER: If you are in charge of IT at a mid-size enterprise, you’re probably about to bite the bullet to add a new Storage Area Network (SAN). Why? The simple answer is that it’s a combination of challenges and opportunities. Read this paper to learn why any organization that runs more than one business server application should consider a SAN.
Posted: 26 Apr 2010 | Published: 26 Apr 2010

D-Link

An ERP Platform Strategy Based on Industry-standard Servers
sponsored by Dell, Inc. and Intel®
WHITE PAPER: Many large organizations have a centralized enterprise resource planning (ERP) environment based on proprietary mainframes or RISC-based systems. In contrast, Intel IT has successfully implemented a decentralized ERP environment that is based on industry-standard servers and supports more than 10,000 active users. Read this paper to learn more!
Posted: 07 Apr 2010 | Published: 01 Mar 2010

Dell, Inc. and Intel®

Presentation Transcript: Stuff Happens - How to Assess Risks and Set Objectives for Business Continuity Plans 
sponsored by Marathon Technologies
PRESENTATION TRANSCRIPT: Disaster recovery (DR) plans become more complicated and difficult when businesses try to identify all risk scenarios and assign quantitative value to the likelihood of them happening. This transcript will guide you through the process of determining what needs to be protected within your business data and infrastructure.
Posted: 02 Apr 2010 | Published: 02 Apr 2010

Marathon Technologies

Dell PowerVault MD3000i high-availability testing on Windows Server 2008 R2 and Hyper-V
sponsored by Dell and Microsoft
TEST RESULTS: Dell Inc. (Dell) commissioned Principled Technologies (PT) to determine whether the Dell™ PowerVault™ MD3000i iSCSI storage array in a high-availability configuration can support small (200-user) and medium (500-user) organizations simultaneously running a variety of virtualized workloads in both an optimized and degraded system state.
Posted: 01 Apr 2010 | Published: 01 Oct 2009

Dell and Microsoft

Data Growth Challenges Demand Proactive Data Management
sponsored by IBM
WHITE PAPER: Data growth is one of the most significant challenges – and opportunities - facing organizations today. Those that learn to leverage the explosion of important new information sources can gain dramatic competitive advantage as others lag.
Posted: 24 Mar 2010 | Published: 24 Mar 2010

IBM

Presentation Transcript: Smart Tactics to Build Storage Solutions in Virtual Environments
sponsored by PC Connection
PRESENTATION TRANSCRIPT: Storage virtualization has become a prominent solution in the IT world by offering continued benefits and a lower cost infrastructure. This presentation transcript examines the benefits and top challenges with storage virtualization and approaches to build storage solutions for virtual environments.
Posted: 19 Mar 2010 | Published: 19 Mar 2010

PC Connection

Presentation Transcript: Conquering Your Top 5 Virtualization Management Headaches
sponsored by Zenoss, Inc.
PRESENTATION TRANSCRIPT: In this presentation transcript, learn how to handle the management challenges that come with a virtualized environment. Find out how to address your top five virtualization issues, including effectively monitoring resource performance and availability. Discover ways to minimize data center disruptions for optimal performance.
Posted: 18 Mar 2010 | Published: 18 Mar 2010

Zenoss, Inc.

Five Essential Considerations for Exchange 2007® Implementations
sponsored by Dell India
WHITE PAPER: Read this white paper to learn about five essential considerations administrators should address while planning for any Exchange 2007 migration.
Posted: 17 Mar 2010 | Published: 01 Aug 2008

Dell India

Smarter Deduplication with CommVault® Simpana® Software
sponsored by CommVault Systems, Inc.
WHITE PAPER: Business and IT are both struggling with how to protect, monitor, maintain and recover business-critical data when it continues to grow at 30-50 percent per year. Read this white paper to learn how CommVault® Simpana® software provides a holistic approach to data deduplication.
Posted: 08 Mar 2010 | Published: 08 Mar 2010

CommVault Systems, Inc.
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HIGH AVAILABILITY DEFINITION (continued): …  consists of many parts in which all parts usually need to be present in order for the whole to be operational, much planning for high availability centers around backup and failover processing and data storage and access. For storage, a redundant array of independent disks (RAID) is one approach. A more recent approach is the storage area network (SAN).Some availability experts emphasize that, for any system to be highly available, the parts of a system should be well-designed and thoroughly tested before they are used. For example, a new application program that has not been thoroughly tested … 
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