Archive

Posts Tagged ‘back up’

Data Backup Glossary (Letter N)

August 29th, 2011 Comments off

Near-line storage Data Backup Glossary (Letter N)Near-line storage is used by corporations, including data warehouses, as an inexpensive, scalable way to store large volumes of data. Near-line storage devices include DAT and DLT tapes (sequential access); optical storage such as CD-ROM, DVD, and Blu-ray; magneto-optical which utilize magnetic heads with an optical reader; and also slower P-ATA and SATA hard disk drives. Retrieval of data is slower than SCSI hard disk which is usually …

Categories: Data Backup Tags: , ,

Data Backup Glossary (Letter L)

August 12th, 2011 Comments off

Data Backup Glossary (Letter L)Light archive In reference to data storage, an archive that can be accessed by many authorized users. Access to the data is open to all the members of the “community” that have a need for the data.

Lightbox In digital asset management (DAM) systems, an area within the web site (or web service) or other internal DAM where users can create and store a list of assets they want to …

Categories: Data Backup Tags: , ,

Data Backup Glossary (Letter I)

August 6th, 2011 Comments off

iFCP The Internet Fibre Channel Protocol (iFCP) allows an organization to extend Fibre Channel storage networks over the Internet by using TCP/IP. TCP is responsible for managing congestion control as well as error detection and recovery services. iFCP allows an organization to create an IP SAN fabric that minimizes the Fibre Channel fabric component and maximizes use of the company’s TCP/IP infrastructure.

Image

In computer science an image is an…
Categories: Data Backup Tags: , ,

Data Backup Glossary (Letter H)

August 3rd, 2011 Comments off

Heterogeneous environment An IT environment that includes computers, operating systems, platforms, databases, applications, and other components from different vendors.

Hierarchical storage management Hierarchical storage management (HSM) is a data storage system that automatically moves data between high-cost and low-cost storage media. HSM systems exist because high-speed storage devices, such as hard disk drives, are more expensive (per byte stored) than slower devices, such as optical discs and magnetic tape drives. …

Categories: Data Backup Tags: , ,

Data Backup Glossary (Letter G)

July 31st, 2011 Comments off

Data Backup Glossary (Letter G)Ghost imaging Using ghosting software, a method of converting the contents of a hard drive—including its configuration settings and applications—into an image, and then storing the image on a server or burning it onto a CD. When contents of the hard drive are needed again, ghosting software converts the image back to original form. Companies often use ghost imaging when they want to create identical configurations and install the same …

Categories: Data Backup Tags: , ,

Data Backup Glossary (Letter F)

July 28th, 2011 Comments off

Failback After a failback event, the restoration of a failed system component’s share of a load to a replacement component. When a failed controller in a redundant configuration is replaced, the devices that were originally controlled by the failed controller are usually failed back to the replacement controller to restore the I/O balance, and to restore failure tolerance. Similarly, when a defective fan or power supply is replaced, its load, …

Categories: Data Backup Tags: , ,