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Backup refers to the copying of data so that these additional copies may be restored after a data loss event. Backups differ from archives and backup systems differ from fault-tolerant systems. Backups are useful primarily for two purposes: to restore a computer to an operational state following a disaster (called disaster recovery) and to restore small numbers of files after they have been accidentally deleted or corrupted. |
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For as long as Microsoft Exchange Server has existed, so too, has the market seen its share of products for backup and recovery. Over the years there have been a number of products that have been unable to come through when needed most - during an Exchange outage. Making proper backups is part of the process, ensuring that when you have an outage, it will be the shortest possible. But, with the large variety of products available for all types of businesses, it is no surprise that there are several misconceptions about backup and recovery software.
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| By : Astrocom |
Published Date: Oct 23, 2007 |
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Enterprises with mission critical applications are exploring the benefits of disaster recovery sites for their data centers to ensure business continuity. Special network technology is needed to ensure that site failover and failback occurs reliably and predictably. An ideal solution should provide reliable network connections, manage inbound and outbound traffic over multiple WAN links, failover to a secondary data center if all links at the primary data center are down, and eliminate deployment barriers and costs of multi-homing with BGP (Border Gateway Protocol).
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Once a business clears the financial hurdle and begins to plan their data protection strategy the choices can appear daunting. Do they select tape or disk? Apply differential or incremental backups? How much will a new system cost and how much time will it take to implement? What data should be included in the backup? This article attempts to address these concerns.
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Increased regulatory scrutiny on the protection levels afforded sensitive information by those that transact and process it is causing enterprises to improve mainframe security strategies. This entails proactively investigating exposures and implementing appropriate policies, processes and technologies, including those for data z/OS tape encryption. Read this Technology Brief created by CA to learn how to identify exposure points and through the use of Tape Encryption.
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Imagine a world where storage management is simplified; everything works together; there are no configuration issues when upgrading, and vendors all cooperate to allow information to be easily stored and retrieved seamlessly. This was a reality in the mainframe world, but the deployment of open systems shattered these concepts.
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While disk-to-disk (D2D) backup systems have been widely accepted as functionally superior to tape, they still carry a significant cost penalty. However, with the addition of data deduplication technology, D2D systems now provide compelling operational and cost efficiencies, thanks to increased manageability and reduced storage and bandwidth needs.
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Oracle Recovery Manager (RMAN) is a built-in tool that allows the Database Administrator (DBA) to easily backup and recover the data in an Oracle database. RMAN handles the coordination required to ensure that transaction integrity is preserved and sufficient information is maintained to recover the database to any appropriate point.
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This paper chronicles the implementations of three enterprises that represent a diverse set of industries (Financial, Legal and Technology). The IT managers responsible for protecting company data had the foresight to recognize the growing gap between their business continuity requirements and the ability of tape-based backup systems to meet those requirements.
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Systems and storage expert Barb Goldworm describes the benefits of deduplication and disk-to-disk (D2D) backup for disaster recovery (DR) and how these techniques are extended to deliver cost-effective offsite data protection. You’ll learn the benefits of deduplication and D2D backup, how D2D can be extended to deliver cost-effective offsite data protection and DR, and how to build a business case for WAN vaulting.
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This white paper walks you through how Data Domain integrates with NBU, including planning and sizing considerations, operational considerations, offsite replication, and other integration basics so you can get the most out of this powerful solution.
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When using Data Domain storage with well-understood best practices for backup and taking snapshots in VMware, a deployment can simplify management of consistent images. Once stored, the images are ready to restore, locally or, with optimized deduplicated replication, at a remote DR site. This paper describes best practices for managing these synergistic technologies together.
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Protecting Exchange information is critical and backup is still the primary method used. Combining traditional backup with other methods such as clustering, replication and continuous data protection provide for a robust Exchange protection strategy. This paper focuses on the traditional backup and recovery practices for Exchange along with solutions from Data Domain.
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| By : Datalink |
Published Date: Oct 20, 2005 |
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This white paper provides: An objective approach to making decisions about data recovery technologies. (disk-based enhanced data recovery or traditional tape-based) The disk-based architectures for enhanced data recovery.
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Business continuity and disaster recovery are made more difficult by the pace of business change. Adapting to market changes requires proactive IT. For the first time, you can consolidate business continuity and disaster recovery (DR) planning in a heterogeneous IT environment with a single, central automated solution.
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The challenge of managing, protecting and storing digital data is a major issue for businesses of every size and category. Companies generally rank the improvement of their storage infrastructure as a top objective, and the escalation of data protection costs has become an overriding concern. According to recent research, the data storage capacity of the average North American enterprise is now 59 terabytes, and the projected annual production data growth is 20 to 30 percent.
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Virtual tape library (VTL) solutions are taking hold in companies of all sizes, but not all VTLs are equipped to meet the requirements of enterprise data centers. Evaluating virtual tape technology based on a few key considerations will help narrow the field and minimize buyer’s remorse.
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With continued expansion of organizational storage allocation requirements, the time required for file-based data backup also continues to increase yet the time allotted for this data backup remains constant, exposing a critical issue. Though backup software vendors continue making advancements in technology to speed up the process, disk fragmentation will continue to remain an unresolved issue that must be addressed on the file system level to solve this bottleneck.
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Sooner or later, disasters happen to every computer user. They delete important files, on purpose or accidentally. Or they update a document and save it, overwriting the original version. Download this paper to learn how to protect against accidental file erasure.
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ESG Analyst, Lauren Whitehouse, discusses Double-Take Software’s concept of “recoverability” – which involves layers of protection that not only mitigate the risk of data loss, but also maintain the health and uptime of systems and applications. By preparing for, preventing and minimizing the impact of a catastrophic event, IT organizations gain in productivity, customer satisfaction, recovery cost savings and more.
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The complexity of traditional recovery solutions compounds an already difficult situation, and heightens the opportunity for human error. Speed and quality of recovery are extremely important when customers and employees are relying on access to critical data, but the average restoration takes hours at best. Check out this paper to learn about a whole-server data protection solution that simplifies the restoration process and reduces the time and effort involved with server recovery.
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EMC, the world leader in storage and IT management, developed these Top 10 Tips for SMBs considering stepping up to SAN. The following tips can help you make informed decisions when selecting the hardware and technologies that you use.
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The amount of data on business computers has grown astronomically over the past few decades. If a company loses this data, business grinds to a halt. The following tips can help you select the hardware and software you need to safeguard the integrity of your data, guarantee accurate restores, and manage backups without placing an undue burden on IT personnel.
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By utilizing the speed and reliability of the EMC CLARiiON® AX150 networked storage system and the convenience of EMC Retrospect® 7.5 for Windows backup and recovery software, SMBs can implement fast, effective, reliable data protection that is easy to set up and manage without placing undue strain on IT resources.
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Offsite media can be lost or stolen while in transit, exposing sensitive information to potential misuse. By using AES encryption on backup data, a business can feel confident that sensitive customer information will remain safe and secure, even if the backups tapes are lost of stolen.
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The following tips can help you keep Exchange running smoothly and let you bounce back quickly from hardware failures that could threaten your Exchange server.
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