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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 AvailabilityWhite Papers (View All Report Types)
101 - 125 of 304 Matches Previous Page  | Next Page
The Economics of Cooperative Control: Protocols are Free
sponsored by Aerohive Networks
WHITE PAPER: This paper discusses the controller-based architecture was created to solve manageability, mobility (as opposed to portability), and high operational expenditure (OPEX) problems that were prevalent in autonomous (fat, thick, standalone) AP implementations.
Posted: 20 Sep 2010 | Published: 20 Sep 2010

Aerohive Networks

Ensuring High Availability for Active Directory
sponsored by Dell Software
WHITE PAPER: Every Active Directory administrator will agree that the health stability and recoverability of Active Directory is essential for the enterprise. If Active Directory fails, even in the slightest manner, one or all of the services and communications with Active Directory can also fail. Read this white paper to learn more.
Posted: 15 Sep 2010 | Published: 15 Sep 2010

Dell Software

Cloud Based Application Architecture Using Smart Computing
sponsored by Joyent
WHITE PAPER: Joyent’s Smart Computing architecture is a comprehensive and integrated system that spans from dynamic CPU and memory usage through complete data center management and resource allocation. This paper provides a broad framework for companies to examine typical Joyent cloud computing application architectures.
Posted: 08 Sep 2010 | Published: 08 Sep 2010

Joyent

Agentless Architecture. Agentless Backup is Not A Myth
sponsored by Asigra
WHITE PAPER: Backup and recovery software typically requires agents that are installed onto the host servers that a system administrator wants to back up. The Asigra solution requires no agents, which inherently makes it easier to install and support than legacy backup and recovery solutions. Read this whitepaper to learn more!
Posted: 24 Aug 2010 | Published: 24 Aug 2010

Asigra

Data Deduplication: An Essential Component of your Data Protection Strategy
sponsored by arcserve
WHITE PAPER: Data Deduplication is a technology that helps organizations balance opposing demands. Disk based backups can be rolled out in order to reduce the backup window and improve recovery time, and deduplication means the investment in those disk based targets is maximized. Continue reading this white paper to learn more.
Posted: 19 Aug 2010 | Published: 01 Jul 2010

arcserve

Remote/Branch Office Data Protection and System Availability
sponsored by arcserve
WHITE PAPER: There are many approaches to remote office data protection and system availability. This paper describes best practices in using available technologies for protection, recovery and availability of remote or branch office systems, applications and data.
Posted: 19 Aug 2010 | Published: 19 Aug 2010

arcserve

Risk Never Sleeps: Managing Risk in an Uncertain World
sponsored by SunGard Availability Services
WHITE PAPER: IT professionals are increasingly responsible for doing more than just provisioning servers and maintaining applications – they are core players in the risk management process. Read this whitepaper to learn more.
Posted: 19 Aug 2010 | Published: 19 Aug 2010

SunGard Availability Services

Crisis Management
sponsored by SunGard Availability Services
WHITE PAPER: This document is not designed as a substitute for a comprehensive Disaster Recovery Plan; nor does it contain recovery procedures specific to your organization. This material suggests high-level issues that you should consider if you are in response mode. SunGard Availability Services is providing this as a public service.
Posted: 18 Aug 2010 | Published: 18 Aug 2010

SunGard Availability Services

Mimecast Unifies Email Security, Archiving, and Continuity Services in the Cloud
sponsored by Mimecast
WHITE PAPER: The market for cloud-based IT infrastructure services delivered in a software-as-a-service model continues to grow. IDC research indicates this model of IT delivery is disrupting traditional licensed software markets and changing how archiving, backup, recovery, and security technologies are procured. Read this whitepaper to learn more.
Posted: 17 Aug 2010 | Published: 17 Aug 2010

Mimecast

Assessing the Financial Impact of Downtime
sponsored by Vision Solutions
WHITE PAPER: This white paper will address the assessment of threats to your IT operations, inclusive of systems, applications, and data, and will guide you through the process of developing solid numbers around the potential costs they represent.
Posted: 16 Aug 2010 | Published: 16 Aug 2010

Vision Solutions

The Power of Information Availability - What Every Senior Executive Should Know
sponsored by Vision Solutions
WHITE PAPER: This white paper explores how the power of an information availability solution can transform that non-productive, non-profitable downtime into the optimum level of value-producing business uptime for your organization.
Posted: 16 Aug 2010 | Published: 16 Aug 2010

Vision Solutions

3 Options for VMware Disaster Recovery and CDP
sponsored by Veeam Software
WHITE PAPER: Continuous data protection (or CDP) has been used by large enterprises for sometime for disaster recovery and to achieve the highest level of business continuity. Read this whitepaper to find out the 5 things you need to know about CDP and 3 options for VMware disaster recovery.
Posted: 16 Aug 2010 | Published: 16 Aug 2010

Veeam Software

Deduplication and VMware Backup Sprawl
sponsored by Veeam Software
WHITE PAPER: The purpose of this white paper is to demonstrate that by using the deduplication and compression engine within the Veeam Backup and Replication product, it is possible to make a positive impact in the storage environment of any organisation.
Posted: 16 Aug 2010 | Published: 16 Aug 2010

Veeam Software

HP Mission Critical Services Enhancement for SAP Environments
sponsored by Hewlett-Packard Company
WHITE PAPER: SAP solutions are business-critical, requiring high levels of availability, performance and support services. HP's Mission Critical Services Enhancement for SAP Environments proactively address performance and availability issues, benefiting from a single point of accountability for all support requirements. Read this paper for more details.
Posted: 23 Jul 2010 | Published: 23 Jul 2010

Hewlett-Packard Company

Optimizing Management efficiency for Storage Infrastructures
sponsored by Dell, Inc.
WHITE PAPER: The Dell/EMC NS family of unified storage enables organizations to easily and cost-effectively consolidate both unstructured file-system data and structured application data into a single shared storage system - helping organizations control costs, streamline management, and enhance storage availability and performance.
Posted: 13 Jul 2010 | Published: 13 Jul 2010

Dell, Inc.

Leveraging a Persistent Hardware Architecture
sponsored by Dell Compellent
WHITE PAPER: Many enterprises looking to increase the flexibility, improve the scalability, enhance the availability and reduce the costs of data storage have turned to SANs. The Compellent SAN enables businesses to continuously integrate new disk drive, switch and network interface technologies without having to replace existing hardware or software.
Posted: 09 Jul 2010 | Published: 01 Jun 2010

Dell Compellent

How to Migrate to Oracle 11g with Minimal Downtime
sponsored by Dell Software
WHITE PAPER: Upgrading databases isn’t easy – in fact, performing a successful upgrade while minimizing downtime is especially difficult! Eliminate upgrade failures while reducing workflow delays – and save yourself the headaches of upgrading databases. Read this white paper today.
Posted: 01 Jul 2010 | Published: 01 Jul 2010

Dell Software

Designing a Persistent Hardware Architecture
sponsored by Dell Compellent
WHITE PAPER: The Compellent® Storage Center™ SAN is designed for persistence. Using an open, nonproprietary hardware architecture, the Compellent SAN enables businesses to continuously integrate new disk drive, switch and network interface technologies without having to replace existing hardware or software.
Posted: 28 Jun 2010 | Published: 01 May 2009

Dell Compellent

Examining business resiliency management best practices: How to prepare today for future trends in business
sponsored by IBM
WHITE PAPER: Today, organizations that aren’t able to respond to IT disruptions or rapid market changes can find themselves left behind. Read this paper and learn how  to effectively manage people, process, and technology within a business resilience strategy.
Posted: 17 Jun 2010 | Published: 17 Jun 2010

IBM

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

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

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®
101 - 125 of 304 Matches Previous Page    3 4 5 6 7 8    Next Page
 
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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